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    dmpA PUBLICATION 2005

    MGB, MGC, MGBV8

    WIRING DIAGRAMS

    AUTO-WIREdvancewww.advanceautowire.com

    May be reproduced for personal, non-commercial use only

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    + -

    BATTERIES

    STARTER

    SOLENOID

    NY

    NY

    N

    N

    NG

    GENERATOR

    GENERATOR WARNING LAMP

    REGULATOR

    - +

    U

    LOWB

    EAMS

    IGNITIONSWITCH

    HEADLIGHTSWITCH G

    G

    G G

    P

    W

    W

    N

    W

    N

    RR

    R

    R

    N

    W

    W

    W

    W

    W

    N

    N

    N

    N

    N

    N

    GAUGE

    &DASH

    ILLUMINATIONLAMPS

    COURTESY/MAPLIGHT/SWITCH

    RW

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    RWB

    RWB

    RWB

    RWB

    RWB

    FUEL GAUGE & SENDER

    GB

    BRAKE SWITCH

    G GP

    GP

    GP GP

    FUEL PUMP

    W

    (LG/N)LG/N

    LG/P

    LG/P

    LG/P

    G

    G

    G

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    LG/U RH TSINDICATORgreen

    LH REAR

    LH FRON

    GR

    G

    G

    G

    G

    LG/YLH TS

    INDICATOR

    GR

    GW

    green

    (GW)

    TURN SIGNALFLASHER

    CIGAR LIGHTER

    FUEL LEVEL

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE/WATER TEMPERATURE

    DIAGRAM 1 - 62/FROM BENTLEY A

    FUSE BOX

    RADIO

    HIGHBEAMS

    HIGH BEAM INDICATOR

    UW

    UW

    UW

    UR

    UR

    UR

    UW

    UR

    UW

    B

    B

    B

    B

    U

    DIMMERSWITCH

    RG

    WIPER MOT

    WIPERSWITCH

    G

    1 2

    3 4

    5 6

    7 8

    N

    CIGARLIGHTER B

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    FRONTPARKING

    LIGHTS

    TAILLIGHTS&

    LICENSEPLATELAMPS

    RR

    R

    RR

    R

    R

    R

    B

    B

    R

    R

    R

    R

    R

    B

    B HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    FLASH-TO-PASSSWITCH

    *

    HEATER FANSWITCH

    HEATER FAN

    GNGN

    1

    3

    1 E2

    D

    F

    OVERDRSOLEN

    TRANSMISSIONINTERLOCK SWITCH

    THROTTLE SWITCHY

    Y

    W

    OVERDRIVEON - OFF SWITCH

    YPYRYR

    1 2

    F

    2

    B F WL D E

    1 2

    3 4

    5 6

    7 8

    C1C2

    W1 W2

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S Slate

    *These two switches are combined in

    LP

    B

    *TS SWITCH

    3 4

    1 2

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    + -

    BATTERIES

    NY

    NY

    N

    N

    NG

    GENERATOR

    GENERATOR WARNING LAMP

    REGULATOR

    - +

    U

    LOWB

    EAMS

    IGNITIONSWITCH

    HEADLIGHTSWITCH

    G

    G

    G

    G G

    G

    P

    W

    W

    N

    W

    N

    BG

    R

    R

    R

    R

    N

    W

    W W

    N

    N

    N

    N

    NN

    N

    GAUGE

    &DASH

    ILLUMINATIONLAM

    PS

    COURTESY/MAPLIGHT/SWITCH

    RW

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RWB

    RWB

    RWB

    RWB

    RWB

    G

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GBLG/G

    BRAKE SWITCH

    G GP

    GP

    GP GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNG

    G

    FUEL PUMPW

    W

    (LG/N)LG/N

    LG/P

    LG/P

    LG/P

    G

    (GR)

    GR

    LG/U RH TSINDICATORgreen

    LG/YLH TS

    INDICATOR

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    CIGAR LIGHTER

    FUEL LEVEL

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE/WATER TEMPERATURE

    DIAGRAM 2 - 64/FROM BENTLEY

    FUSE BOX

    B

    GBBGREAR WINDOW DEFROSTER

    & SWITCH - GT ONLY

    RADIO

    HIGHBEAMS

    HIGH BEAM INDICATOR

    UW

    UW

    UW

    UR

    UR

    UR

    UW

    UR

    UW

    B

    B

    B

    B

    U

    DIMMERSWITCH

    RG

    WIPER MOT

    WIPERSWITCH

    G

    1 2

    3 4

    5 6

    7 8

    N

    CIGARLIGHTER B

    G

    TACHOMETER

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    FRONTPARKING

    LIGHTS

    TAILLIGHTS&

    LICENSEPLATELAMPS

    R

    R

    RR

    R

    R

    R

    B

    B

    R

    R

    R

    RR

    R

    B

    B HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    1 2

    3 4

    5 6

    7 8

    FLASH-TO-PASSSWITCH

    *

    HEATER FANSWITCH

    HEATER FAN

    GNGN

    1

    2

    3

    1 E2

    B F WL D E

    D

    F

    OVERDRSOLEN

    TRANSMISSIONINTERLOCK SWITCH

    THROTTLE SWITCHY

    Y

    W

    OVERDRIVEON - OFF SWITCH

    YPYRYR

    C1C2

    W1 W2

    1 2

    F

    STARTER

    SOLENOID

    RH REAR

    RH FRONGW

    GW

    LH REAR

    LH FRON

    GR

    G

    G

    G

    G

    GR

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S Slate

    *These two switches are combined in

    3 4

    1 2

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    +-

    BATTERIES

    STARTER

    NB

    NG

    -Ind

    NNY ALTERNATOR

    REGULATOR

    +

    -

    +

    F

    U

    LOWB

    EAMS

    IGNITIONSWITCH

    HEADLIGHTSWITCH

    G

    G

    G

    G G

    GP

    P

    W

    W

    N

    W

    N

    BG

    RR

    R

    R

    N

    W

    W W

    N

    N

    N

    NN

    GAUGE

    &DASH

    ILLUMINATIONLAM

    PS

    COURTESY/MAPLIGHT/SWITCH

    RW

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    RWB

    RWB

    RWB

    RWB

    RWB

    G

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GBLG/G

    BRAKE SWITCH

    G GP

    GP

    GP GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGN GNG

    GG

    FUEL PUMP

    W

    W

    (LG/N)LG/NG

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    CIGAR LIGHTER

    FUEL LEVEL

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE/WATER TEMPERATURE

    DIAGRAM 3 - 67/FROM BENTLEY

    FUSE BOX

    B

    GBBGREAR WINDOW DEFROSTER

    & SWITCH - GT ONLY

    RADIO

    N

    CIGARLIGHTER

    B

    HIGHBEAMS

    HIGH BEAM INDICATOR

    UW

    UW

    UW

    UR

    UR

    UR

    UW

    UR

    UW

    B

    B

    B

    B

    U

    DIMMERSWITCH

    RG

    G

    TACHOMETER

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    FRONTPARKING

    LIGHTS

    R

    TAILLIGHTS&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    R

    R

    R

    R

    R

    B

    B

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    PW

    PW

    PW

    B P

    COURTESY LAMP& DOOR SWITCHES

    1 2

    3 4

    5 6

    7 8

    FLASH-TO-PASSSWITCH

    *

    HEATER FANSWITCH

    HEATER FAN

    GNGN

    1

    2

    3

    OVERDRSOLENO

    TRANSMISSIONINTERLOCK SWITCH

    YRYW

    OVERDRIVEON - OFF SWITCH

    YP

    - F + B+

    1 2

    F

    G

    G

    G

    G

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    LH REAR

    LH FRON

    GR

    GR

    GW

    GW

    B R

    INDIgreen

    GW

    GR BL

    INDIgreen

    (GW)

    WIPER MOU/LG

    R/LG

    N/LG

    G

    WIPERSWITCH

    G

    1 2

    3 4

    5 6

    7 8

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    *These two switches are combined in

    3 4

    1 2

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    *HORNBUTTON

    P

    P

    PB

    PB

    PB

    B

    C2W1

    W2 C1

    +-

    BATTERIES

    U

    LOWB

    EAM

    S

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    HEADLIGHTSWITCH

    G

    G

    GG

    G

    G

    GP

    P

    P

    W

    W

    N

    W

    N

    N

    RG

    BG

    RG

    RG

    RG

    RG

    WN

    WN

    N

    W

    W

    W

    WW

    NY

    WG

    N

    N

    N

    NN

    N

    WR

    GAUGE

    &DASH

    ILLUMINATIONLAM

    PS

    COURTESY/MAPLIGHT/SWITCH

    RW

    ALTERNATOR

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    WG

    WGRWB

    RWB

    RWB

    RWB

    RWB

    1 2

    3

    6

    7

    FRONTPARKING

    LIGHTS

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    B

    Left

    Right

    Right

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GBLG/GLG/G

    BRAKE SWITCH

    G GP

    GP

    GP GP

    REVERSE LIGHTS& SWITCH GN

    GNGN GNG

    G G

    HEATER FANSWITCH

    HEATER FAN MOTORGYGY

    G

    FUEL PUMP

    W

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    YRYW

    W

    OVERDRIVEON - OFF SWITCH

    (LG/N)LG/NG

    (GR)

    GR

    GR

    GW

    GW

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    R

    TACHOMETER

    4

    CIGAR LIGHTER

    FUEL LEVEL

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE/WATER TEMPERATURE

    DIAGRAM 5 - 68/FROM BENTLEY

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    8

    -+

    FUSE BOX

    B

    GBBGREAR WINDOW DEFROSTER

    & SWITCH - GT ONLY

    RADIO

    CIGARLIGHTER

    B

    NY

    IndInd

    NN

    +B+

    HIGHBEAMS

    HIGH BEAM INDICATOR

    UW

    UW

    UW

    UR

    UR

    (UR)

    (UW)

    UR

    UW

    B

    B

    B

    B

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    1 2

    3 4

    5 6

    7 8

    5

    RP

    23

    4

    5

    67

    1

    YP

    WIPER MOTOR

    U/LG

    R/LG

    N/LG

    G

    G

    WIPERSWITCH

    1 2

    3 4

    5

    7 8

    G

    G

    G

    G

    RH REAR

    RH FRONGW

    GW

    LH REAR

    LH FRON

    GR

    GR

    B RINDIgreen

    GW

    GR BL

    INDIgreen

    PW

    PW

    PW

    B P

    COURTESY LAMP& DOOR SWITCHES

    6

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec*These three switches are combined i

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    *HORNBUTTON

    P

    P

    PB

    PB

    PB

    B

    C2W1

    W2 C1

    +-

    BATTERIES

    U

    HIGHBEAMS

    LOWB

    EAM

    S

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    HEADLIGHTSWITCH

    UW

    UW

    UW

    UR

    UR

    G

    G

    GG

    G

    G

    G

    P

    P

    P

    P

    PP

    W

    N

    N

    N

    N

    RG

    RG

    RG

    RG

    WG GK

    WN

    WN

    N

    W

    W

    W

    WW

    NY

    (UR)

    (UW)

    UR

    UW

    WG

    N

    N

    N

    NN

    N

    WR

    GAU

    GE

    &DASH

    ILLUMIN

    ATIONLAMPS

    RW

    B

    B

    B

    B

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    RWB

    RWB

    RWB

    RWB

    RWB

    1 2

    3

    6

    7

    FRONTPARKING

    LIGHTS

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    B

    Left

    Right

    RightFUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GBLG/G

    BRAKE SWITCH

    G GP

    GP

    GP GP

    REVERSE LIGHTS& SWITCH GN

    GNGN GNG

    GG

    HEATER FANSWITCH

    HEATER FAN MOTORGYGY

    GK

    FUEL PUMP

    W

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    YPYRYW

    W

    OVERDRIVEON - OFF SWITCH

    (LG/N)LG/NG

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    R

    P

    P

    P

    TACHOMETER

    PW

    PW

    TRUNK/HATCHLAMP & SWITCHB

    B

    PW

    PW

    PW

    4

    CIGAR LIGHTER

    FUEL LEVEL

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE/WATER TEMPERATURE

    DIAGRAM 6 - 70/FROM BENTLEY

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    RADIO

    8

    -+

    FUSE BOX

    1

    2

    3

    4

    CIGARLIGHTER

    B

    GK

    GK

    GK GK

    GK

    GK GK

    NY

    IndInd

    NN

    +B+

    PWB

    COURTESY/MAPLAMP & SWITCHES

    1 2

    3 4

    5 6

    7 8

    WIPER MOTOR

    U/LG

    R/LG

    N/LG

    G

    WIPERSWITCH

    1 2

    3 4

    5

    7 8

    6

    B

    GBBGREAR WINDOW DEFROSTER

    & SWITCH - GT ONLY

    (GR)

    GR

    GR

    GW

    GW

    (GW)

    G

    G

    G

    G

    RH REAR

    RH FRONGW

    GW

    LH REAR

    LH FRON

    GR

    GR

    B RINDIgreen

    GW

    GR BL

    INDIgreen

    5

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec*These two switches are combined in

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    +-

    BATTERIES

    U

    HIGH

    BEAMS

    LOWB

    EAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    ALTERNATOR WARNINGLAMP

    STARTER

    UW

    UW

    UW

    UR

    UR

    W

    W

    W

    W

    W

    W

    N

    N

    N

    N

    WR

    W

    W

    W

    W

    WNB

    NG

    Ind

    (UR)

    (UW)

    UR

    UW

    N

    N

    NN

    B

    B

    B

    B

    NNY ALTERNATOR

    REGULATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    +

    W

    WR

    1

    G

    G

    G

    GAUGE VOLTAGESTABILIZER

    GU

    LG/G

    TEMP GAUGE & SENDER

    B I

    LG/G

    LG/G

    FUEL GAUGE & SENDER

    GB

    WASHER MOT

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G)

    WIPER/WASHERSWITCH

    G

    G

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    FUEL PUMP

    YPY YRW

    WW

    OVERDRIVEON - OFF SWITCH

    (LG/N)

    HAZARDFLASHER

    LG/N

    LG/N

    LG/P

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    B

    B

    RINDIgreen

    red

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    green

    (GW)

    *TS SWITCH

    PL

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    -+

    FUSE BOX

    GAUGE

    &DASH

    ILLUMINATIONLAMP

    S

    RW

    RW

    RW

    B

    RWRW

    RW

    RW

    RW

    B

    B

    B

    B

    CIGAR LIGHTER

    FUEL LEVEL

    WATER TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE

    1

    23

    *HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    P

    PW

    WG

    WG

    PW

    PW

    B P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BRAKE FAILURESWITCH & LAMP

    P

    BW

    B

    R

    R

    R

    GAUGELAMP

    SWITCHRW

    HEADLIGHTSWITCH R

    R

    34HEATER FAN

    SWITCH

    HEATER FAN MOTOR

    GY1

    34

    G

    G

    HAZARDSWITCH

    LG/N G

    G

    G

    G

    G

    GR

    GW

    GW

    GW

    GW

    GWL

    TURN SIGNALFLASHER

    B

    2

    3

    4

    5

    6

    1

    G

    TACHOMETER

    WB

    WB

    WB WB

    RN

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    12

    34

    DIAGRAM 7 - 67/FROM BENTLEY

    RADIO

    R RG B

    B+

    43

    2

    FRONTPARKING

    LIGHTS

    R

    TAILLIGHTS&

    LIC

    ENSEPLATELAMPS

    R

    R

    R

    RR

    R

    R

    R

    B

    B

    R

    R

    R

    R

    R

    R

    R

    B

    B

    2 1

    BRAKE SWITCH

    G GP

    GP

    GP

    B

    - F + B+

    OIL PRESSURE GAGE & SE

    WN

    2

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* and two switches co indicate /three

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    +-

    BATTERIES

    U

    HIGH

    BEAMS

    LOWB

    EAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    ALTERNATOR WARNINGLAMP

    STARTER

    UW

    UW

    UW

    UR

    UR

    W

    W

    W

    W

    W

    N

    WR

    W

    W

    W

    W

    W

    NY

    NY

    IndInd

    (UR)

    (UW)

    UR

    UW

    N

    N

    N N

    N

    B

    B

    B

    B

    NN

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    +

    W

    WR

    1

    G

    G

    G

    GAUGE VOLTAGESTABILIZER

    GULG/G

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    B I GBLG/G

    WASHER MOT

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G)

    WIPER/WASHERSWITCH

    G

    G

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    FUEL PUMP

    YPY YRW

    WW

    OVERDRIVEON - OFF SWITCH

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    -+ FUSE BOX

    GAUGE

    &DASH

    ILLUMINATIONLAMP

    S

    RW

    RW

    RW

    B

    RWRW

    RW

    RW

    RW

    B

    B

    B

    B

    1

    23

    *HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    P

    WG

    WG

    CIGARLIGHTER

    B

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    P

    BW

    BW

    B

    R

    R

    R

    GAUGELAMP

    SWITCHRW

    HEADLIGHTSWITCH R

    34HEATER FAN

    SWITCH

    HEATER FAN

    GY12

    34

    GG

    G

    OIL PRESSUREGAGE & SENDER

    WNB

    TACHOMETER

    DIAGRAM 8 - 68/FROM BENTLEY

    RADIO

    R RG B

    B+

    43

    2

    FRONTPARKING

    LIGHTS

    R

    TAILLIGHTS&

    LIC

    ENSEPLATELAMPS

    R

    R

    R

    RR

    R

    R

    R

    B

    B

    R

    R

    R

    R

    R

    R

    R

    B

    B

    2 1

    BRAKE SWITCH

    G GP

    GP

    GP

    (LG/N)

    HAZARDFLASHER

    LG/N

    LG/N

    LG/P

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    B

    B

    RINDIgreen

    red

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    green

    (GW)

    *TS SWITCH

    PL

    G

    G

    HAZARDSWITCH

    LG/N G

    G

    G

    G

    G

    GR

    GW

    GW

    GW

    GW

    GWL

    TURN SIGNALFLASHER

    B

    2

    3

    4

    5

    6

    1

    B

    WB

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    WB

    12

    34

    PW

    PW

    PW

    B P

    COURTESY LAMP& DOOR SWITCHES

    CIGAR LIGHTER

    FUEL LEVEL

    WATER TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURECOLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* and two switches co indicate /three

  • 7/27/2019 Mgb wiring

    10/34

    *HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    C2W1

    W2 C1

    +-

    BATTERIES

    U

    HIGHBEAMS

    LOWB

    EAM

    S

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    UW

    UW

    UW

    UR

    UR

    G

    GG

    G

    G

    G

    G

    G

    PP

    P

    W

    N

    N

    N

    N

    RG

    WN

    WN

    W

    W

    W

    W

    W

    W

    NY

    NY

    IndInd

    (UR)

    (UW)

    UR

    UW

    WG

    N

    N

    N

    NN

    N

    PK

    WR

    B

    B

    B

    B

    NN

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    +W

    WR

    1

    3

    5

    R

    R

    R

    R

    G

    GAUGE VOLTAGESTABILIZER

    GULG/G

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    B I GBLG/GLG/G

    WASHER MOT

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    BRAKE SWITCH

    G GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G)

    WIPER/WASHERSWITCH

    G

    G

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    FUEL PUMP

    YPY YRW

    WW

    OVERDRIVEON - OFF SWITCH

    LH DOORSWITCH

    P

    P

    P P

    P P

    PW

    WG

    PW

    PW

    B

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BW

    BW

    B

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    8

    BUZZER

    -+

    FUSE BOX

    GAUGE

    &DASH

    ILLUMINATIONLAMP

    S

    RW

    RW

    RW

    B

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    CIGAR LIGHTER

    FUEL LEVEL

    WATER TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE

    1 2

    35

    N

    FRONTPARKING

    LIGHTS

    R

    R

    RB

    BLeft

    Right

    TAILLIGHTS&

    LICENSEPLATELAMPS

    R

    R

    RR

    R

    R

    R

    B

    B

    Left

    Right

    R

    RW

    PK PG

    B

    B

    B

    B

    B

    U

    U

    UU

    U

    U

    U

    HEADLIGHTSWITCH RG

    N

    34

    HEATER FANSWITCH

    HEATER FAN

    GY1

    34

    GG

    G

    OIL PRESSUREGAGE & SENDER

    WNB

    TACHOMETER

    2

    4

    7

    DIAGRAM 9 - 69/FROM BENTLEY

    RADIO

    RG

    RG

    RG

    RG RP

    GAUGELAMP

    SWITCH

    WG

    WB

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    WB

    12

    34

    (LG/N)

    HAZARDFLASHER

    LG/N

    LG/N

    LG/P

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    B

    B

    RINDIgreen

    red

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    green

    (GW)

    *TS SWITCH

    P

    G

    G

    HAZARDSWITCH

    LG/N G

    G

    G

    G

    G

    GR

    GW

    GW

    GW

    GW

    GWL

    TURN SIGNALFLASHER

    2

    3

    4

    5

    6

    1

    B L

    B

    2

    6

    FRONT&REAR

    SIDEMARKERS

    2 1

    B+

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* and two switches co indicate /three

  • 7/27/2019 Mgb wiring

    11/34

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    C2W1

    W2 C1

    +-

    BATTERIES

    U

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    G

    GG

    G G

    P

    P

    P

    P

    P

    W

    N

    N

    N

    N

    RG

    WG GK

    WN

    WN

    W

    W

    W

    W

    W

    W

    NY

    NY

    IndInd

    (UR)

    (UW)

    WG

    N

    N

    N

    NN

    N

    PK

    WR

    NN

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    +W

    WR

    1

    3

    5

    R

    R

    R

    R

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GAUGE VOLTAGESTABILIZER

    GU

    GBLG/GG B I LG/G

    LG/G

    WASHER MOT

    BRAKE SWITCH

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    G GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    GG

    HEATERF

    AN

    SWITCH

    HEATER FAN MOTORGK

    GK

    GKGK

    GK

    GK GK

    GY

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    GK

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (GK)

    WIPER/WASHERSWITCH

    GK

    GK

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    FUEL PUMP

    YPY YRW

    WW

    OVERDRIVEON - OFF SWITCH

    P

    LH DOORSWITCH

    P

    WG

    P

    P

    P

    P P

    P P

    PW

    PW

    TRUNK/HATCHLAMP & SWITCH

    PW

    PW

    PW

    B

    B

    B

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BW

    BW

    B

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    RADIO

    8

    BUZZER

    -+

    FUSE BOX

    GAUGE

    &DASH

    ILLUMINATIONLAMP

    S

    RW

    RW

    RW

    B

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B CIGAR LIGHTER

    FUEL LEVEL

    WATER TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE

    1 2

    35

    DIAGRAM 10 - 70FROM BENTLEY

    N

    FRONTPARKING

    LIGHTS

    R

    R

    RB

    B

    Left

    Right

    TAILLIGHTS&

    LICENSEPLATELAMPS

    R

    R

    RR

    R

    R

    R

    B

    B

    Left

    Right

    R

    RG

    RGGAUGELAMP

    DIMMERCONTROL

    RW

    PK PG

    HEADLIGHTSWITCH RG

    N

    12

    34

    1 2

    3 4

    GG

    G

    OIL PRESSUREGAGE & SENDER

    WNB

    TACHOMETER

    2

    4

    6

    7

    (LG/N)

    HAZARDFLASHER

    LG/N

    LG/N

    LG/P

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    B

    B

    RINDIgreen

    red

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    green

    (GW)

    *TS SWITCH

    P

    G

    G

    HAZARDSWITCH

    LG/N G

    G

    G

    G

    G

    GR

    GW

    GW

    GW

    GW

    GWL

    TURN SIGNALFLASHER

    2

    3

    4

    5

    6

    1

    B L

    B

    BWB

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    12

    34

    GT

    ROADSTER

    B

    B

    B

    B

    U

    U

    UU

    U

    U

    U

    FRONT&REAR

    SIDEMARKERS

    HIGHBEAMS

    LOWB

    EAM

    S

    HIGH BEAM INDICATOR

    UW

    UW

    UW

    UR

    UR

    UR

    UW

    B

    B

    B

    B

    *

    B+

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* and two switches combine indicate

  • 7/27/2019 Mgb wiring

    12/34

    HORNBUTTON

    P

    P

    PB

    PB

    PB

    B

    C2W1

    W2 C1

    +-

    BATTERIES

    HIGHBEAMS

    LOWB

    EAM

    S

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    HEADLIGHT

    SWITCH

    UW

    UW

    UW

    UR

    UR

    G

    G

    GG

    G

    G

    G

    P

    P

    P

    P

    P

    W

    N

    N

    N

    N

    RG

    RG

    WG GK

    WN

    WN

    W

    W

    W

    WW

    NYInd

    (UR)

    (UW)

    UR

    UW

    WG

    N

    N

    N

    NN

    N

    WR

    GAU

    GE

    &DASH

    ILLUMINATIONLAMPS

    RW

    B

    B

    B

    B

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    +

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    RWB

    RWB

    RWB

    RWB

    RWB

    1 2

    3

    6

    7

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    RB

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    B

    Left

    Right

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GBLG/GLG/G

    BRAKE SWITCH

    G GP

    GP

    GP GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGN GNG

    GG

    HEATER FANSWITCH

    HEATER FAN MOTOR

    GYGY

    GK

    FUEL PUMP

    W

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    YPYRYW

    W

    OVERDRIVEON - OFF SWITCH

    R

    P

    P

    P

    P

    P

    TACHOMETER

    PW

    PW

    TRUNK/HATCHLAMP & SWITCHB

    B

    P

    PW

    PW

    PW

    B

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    4

    CIGAR LIGHTER

    FUEL LEVEL

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE/WATER TEMPERATURE

    DIAGRAM 11 - 71FROM BENTLEY E

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    RADIO

    8

    -+

    FUSE BOX

    1

    2

    3

    4

    GK

    GK

    GK GK

    GK

    GK GK

    WIPER MOTOR

    U/LG

    R/LG

    N/LG

    G

    WIPERSWITCH

    1 2

    3 4

    5

    7 8

    6

    (LG/N)LG/NG

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    (GR)

    GR

    GR

    GW

    GW

    (GW)

    G

    G

    G

    G

    RH REAR

    RH FRONGW

    GW

    LH REAR

    LH FRON

    GR

    GR

    B RINDIgreen

    GW

    GR BL

    INDIgreen

    HEADLIGHTSWITCH

    5

    U

    RG

    RG

    N1 2

    3 4

    5 6

    7 8

    BWB

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    12

    34

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

  • 7/27/2019 Mgb wiring

    13/34

    BWB

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    12

    34

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    C2W1

    W2 C1

    +-

    BATTERIES

    HIGHBEAMS

    LOWB

    EAM

    S

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    UW

    UW

    UW

    UR

    UR

    G

    G

    GG

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    P

    P

    P

    P

    P

    W

    N

    N

    N

    N

    RG

    RG

    RG

    WG GK

    WN

    WN

    W

    W

    W

    W

    W

    W

    NYInd

    (UR)

    (UW)

    UR

    UW

    WG

    N

    N

    N

    N

    NN

    N

    PK

    WR

    B

    B

    B

    B

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    +W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    1 2

    3

    5 6

    7

    R

    R

    R

    R

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GU

    GBLG/GLG/G

    LG/G

    BRAKE SWITCH

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    G GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    GG

    FUEL PUMP

    WW

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    GR

    B

    B

    RINDIgreen

    red

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    GW

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    12

    34

    7

    P

    LH DOORSWITCH

    PKP

    P

    P

    P

    P

    PG

    P P

    P P

    TACHOMETER

    PW

    PW

    TRUNK/HATCHLAMP & SWITCH

    PW

    PW

    PW

    B

    B

    B

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BW

    BW

    B

    4

    B L

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    8

    BUZZER

    -+

    FUSE BOX

    8

    1 2

    35

    DIAGRAM 12 - 71FROM BENTLEY E

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    YPY YRW

    OVERDRIVEON - OFF SWITCH

    WASHER MOT

    HEATERFAN

    SWITCH

    HEATER FAN MOTORGK

    GK

    GKGK

    GK

    GK GK

    GY

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    GK

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (GK)

    WIPER/WASHERSWITCH

    GK

    GK

    RADIO

    1 2

    3 4

    GAUGE

    &DASH

    ILLUMINATIONLAMP

    S

    RW

    RW

    RW

    B

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B CIGAR LIGHTER

    FUEL LEVEL

    WATER TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE

    U

    HEADLIGHTSWITCH

    N

    12

    34RG

    FRONTPARKING

    LIGHTS

    R

    R

    RB

    B

    Left

    Right

    TAILLIGHTS&

    LICENSEPLATELAMPS

    R

    R

    RR

    R

    R

    R

    B

    B

    Left

    Right

    R

    B

    B

    B

    B

    U

    U

    UU

    U

    U

    U

    FRONT&REAR

    SIDEMARKERS

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* and two switches combine indicate

  • 7/27/2019 Mgb wiring

    14/34

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    C2W1

    W2 C1

    +-

    BATTERIES

    U

    HIGHBEAMS

    LOWB

    EAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    HEADLIGHTSWITCH

    UW

    UW

    UW

    UR

    UR

    G

    G

    GG

    G

    G G

    P

    P

    P

    P

    P

    W

    N

    N

    N

    N

    RG

    RG

    RG

    RG

    WG GK

    WN

    WN

    N

    W

    W

    W

    W

    W

    W

    NYInd

    (UR)

    (UW)

    UR

    UW

    WG

    N

    N

    N

    N

    NN

    N

    PK

    WR

    GAUGE

    &DASH

    ILLUMINATIONLAMPS

    RW

    RW

    RW

    B

    B

    B

    B

    B

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    1

    2

    3

    +W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    1 2

    3

    5 6

    7

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GU

    GBLG/GG B I

    GAUGE VOLTAGESTABILIZER

    LG/G

    LG/G

    WASHER MOT

    BRAKE SWITCH

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    G GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    GG

    2

    3

    HEATERFAN

    SWITCH HEATER FAN MOTORGK

    GK

    GKGK

    GK

    GK GK

    GYGY

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    GK

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (GK)

    WIPER/WASHERSWITCH

    GK

    GK

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    FUEL PUMP

    YPYYW

    WW

    OVERDRIVEON - OFF SWITCH

    LG/P

    R

    P

    LH DOORSWITCH

    PK

    SEATBELTWARNING LAMP

    SEATBELT BUCKLESWITCHES

    G

    P

    P

    P

    P

    P

    NR

    NRNR

    NR

    PG

    PG

    LG/W

    LG/W

    B

    P P

    P P

    TACHOMETER

    PW

    PW

    TRUNK/HATCHLAMP & SWITCH

    PW

    PW

    PW

    B

    B

    B

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BW

    BW

    B

    4

    CIGAR LIGHTER

    FUEL LEVEL

    WATER TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    RADIO

    8

    GEARBOX SWITCH

    PASSENGER SEATSWITCH

    DRIVER

    PASSENGER

    BUZZER

    -+

    FUSE BOX

    G3

    B

    WB

    WB

    RN

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    2

    1 2

    35

    DIAGRAM 13 - 71FROM BENTLEY E

    G

    G

    G

    G

    G

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    GR

    B

    B

    RINDIgreen

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    GW

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    12

    34

    7

    B L

    8

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* and two switches combine indicate

  • 7/27/2019 Mgb wiring

    15/34

    HORNBUTTON

    P

    P

    PB

    PB

    PB

    B

    C2W1

    W2 C1

    +-

    BATTERIES

    HIGHBEAMS

    LOWB

    EAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    UW

    UW

    UW

    UR

    UR

    G

    GG

    G

    G

    G

    P

    P

    P

    P

    P

    W

    W

    N

    N

    N

    RG

    RG

    WG GK

    WN

    WN

    W

    W

    W

    WW

    (UR)

    (UW)

    UR

    UW

    WG

    N

    N

    N

    NN

    WR

    GAUGE

    &DASH

    ILLUMINATIONLAMPS

    RW

    B

    B

    B

    B

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    RWB

    RWB

    RWB

    RWB

    RWB

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    RB

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    B

    Left

    Right

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GBLG/GLG/G

    BRAKE SWITCH

    G GP

    GP

    GP GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGN GNG

    GG

    FUEL PUMP

    W

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    YPYRYW

    W

    OVERDRIVEON - OFF SWITCH

    R

    P

    P

    P

    P

    P

    G

    TACHOMETER

    PW

    PW

    TRUNK/HATCHLAMP & SWITCHB

    B

    P

    PW

    PW

    PW

    B

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    CIGAR LIGHTER

    FUEL LEVEL

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE/WATER TEMPERATURE

    DIAGRAM 14 - 72FROM BENTLEY

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    WB

    WB

    -+

    FUSE BOX

    GK GK

    GK GK

    (LG/N)LG/NG

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    (GR)

    GR

    GR

    GW

    GW

    (GW)

    G

    G

    G

    G

    RH REAR

    RH FRONGW

    GW

    LH REAR

    LH FRON

    GR

    GR

    B RINDIgreen

    GW

    GR BL

    INDI

    HEADLIGHTSWITCH

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

    NYInd

    NN

    B at t + +

    G3

    B

    WB

    WB

    RN

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    2

    WIPER MOTOR

    U/LG

    R/LG

    N/LG

    GK

    WIPERSWITCH

    GK

    1

    34

    5

    2

    RADIO

    GK

    1

    2

    3

    HEATER FANSWITCH

    HEATER FANMOTOR

    GY

    U

    RG

    N

    1

    3

    green

    12

    3

    5

    2

    1 2

    3

    7

    4

    8

    5 6

  • 7/27/2019 Mgb wiring

    16/34

    G

    C2W1

    W2 C1

    +-

    BATTERIES

    U

    HIGHBEAMS

    LOWB

    EAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    HEADLIGHTSWITCH

    UW

    G

    GG

    G

    G

    G

    G

    G

    WB

    P

    P

    P

    P

    P

    W

    N

    N

    N

    W

    RG

    RG

    RG

    RG

    RG

    WN

    WNWR

    N

    NW

    W

    W

    NYIndbatt

    (UR)

    (UW)

    UR

    UW

    WG

    WG

    N

    N

    N

    NN

    N

    PK

    GAUGE

    &DASH

    ILLUMINATIONLAMPS

    RW

    RW

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    ANTI RUN-ONVALVE & SWITCH

    NN

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    +

    S

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    RW

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    B

    B

    B

    1

    3

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GU

    GBLG/GLG/G

    LG/G

    WASHER MOT

    BRAKE SWITCH

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    G GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    GG

    2

    3

    2

    HEATERFAN

    SWITCH

    HEATER FAN MOTOR

    GK

    GK

    GK

    GY

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    GK

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (GK)

    WIPER/WASHERSWITCH

    GK

    GK

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    FUEL PUMP

    YPYY

    W

    W W

    OVERDRIVEON - OFF SWITCH

    R

    P

    LH DOORSWITCH

    PG

    PK

    SEATBELTWARNING LAMP

    SEATBELT BUCKLESWITCHES

    G

    P

    P

    P

    P

    NR NR

    NR

    NR

    PG

    PG

    PG

    LG/W

    LG/O

    P

    TACHOMETER

    SP SY

    PW

    PW

    TRUNK/HATCHLAMP & SWITCH

    PW

    PW

    PW

    B

    B

    B

    P

    P P

    P

    P

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BW

    BW

    B

    4

    CIGAR LIGHTER

    HEATER FAN

    FUEL LEVEL

    TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    HEADLIGHT SWITCH

    OIL PRESSURE

    HAZARD SWITCH

    HEATER CONTROL

    HEATER CONTROL

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    WB

    RADIO

    GEARBOX SWITCH

    SEAT BUTTSWITCH

    BUZZER

    -+

    FUSE BOX

    LG/P

    G

    G

    G

    G

    G

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    GR

    B

    B

    RINDIgreen

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    GW

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    12

    34

    5

    B L

    6

    3

    1

    6

    7

    5

    2

    G

    B

    WB

    WB

    RN

    RN

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    2

    3

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* and two switches combine indicate

    8

    DIAGRAM 15 - 72FROM BENTLEY

    16

    4 2

    5

    3

    UW

    UW

    UR

    UR

    B

    B

    B

    B

    PSNGR PSNGR

    DRIVER

  • 7/27/2019 Mgb wiring

    17/34

  • 7/27/2019 Mgb wiring

    18/34

    G

    C2W1

    W2 C1

    +-

    BATTERIES

    U

    HIGHBEAMS

    LOWB

    EA

    MS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    HEADLIGHTSWITCH

    UW

    UW

    UW

    UR

    UR

    G

    GG

    G

    G

    G

    G

    G

    WB

    P

    P

    P

    P

    P

    W

    N

    N

    N

    N

    NP

    WRG

    RG

    RG

    RG

    RG

    WN

    WNYK

    N

    NW

    W

    W

    NYIndbatt

    (UR)

    (UW)

    UR

    UW

    (WG)

    N

    (N)

    N

    N

    NN

    N

    (PK)

    WR

    GAUGE

    &DASH

    ILLUMINATIONLAMPS

    RW

    RW

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    B

    ANTI RUN-ONVALVE & SWITCH

    NN

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    +

    (S)

    (W)

    (WR)

    GAUGELAMP

    DIMMERCONTROL

    RW

    RW

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    B

    B

    B

    1

    3

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GU

    GBLG/GLG/G

    LG/G

    WASHER MOT

    BRAKE SWITCH

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    G GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    GG

    2

    3

    HEATERF

    AN

    SWITCH

    HEATER FAN MOTORGK

    GY

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    GK

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (GK)

    WIPER/WASHERSWITCH

    GK

    GK

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    FUEL PUMP

    YPYY

    W

    W W

    OVERDRIVEON - OFF SWITCH

    R

    P

    LH DOORSWITCH

    PG

    PK

    SEATBELTWARNING LAMP

    SEATBELT BUCKLESWITCHES

    G

    G

    P

    P

    P

    P

    P

    YP

    YK

    YU

    YU

    YG

    YG

    YW

    YN

    NP

    NP

    NP

    NP

    NP

    PG

    SEATBELTMODULE

    WR

    YO

    YO

    B

    P

    P

    TACHOMETER

    SP SY

    PW

    PW

    TRUNK/HATCHLAMP & SWITCH

    PW

    PW

    PW

    B

    B

    B

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BW

    BW

    B

    4

    CIGAR LIGHTER

    HEATER CONTROL

    HEATER FAN

    FUEL LEVEL

    TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    HEADLIGHT SWITCH

    HAZARD SWITCH

    HEATER CONTROL

    COLORCODESN B ro wn L G L ig ht Gr ee nU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin conne

    DIAGRAM 17 - 73FROM BENTLEY

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    WB

    1 2 3

    4 5 6

    7 8 9

    10 11 12

    RADIO

    GEARBOX SWITCH

    SEAT SWITCHES

    DRIVER

    DRIVER

    PSNGR

    PSNGR

    BUZZER

    -+

    B

    OIL PRESSURE

    FUSE BOX

    LG/P

    G

    G

    G

    G

    G

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    GR

    B

    B

    RINDIgreen

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    GW

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    12

    34

    5

    B L

    2

    1

    6

    7 8

    5

    2

    G

    B

    WB

    WB

    WB

    WB

    REAR WINDOW DEFROSTER& SWITCH - GT ONLY

    2

    3

    3

    6

    OVERDRIVETRANSMISSIONOVERDRIVE

  • 7/27/2019 Mgb wiring

    19/34

    C2W1

    W2 C1

    BATTERY

    U

    IGNITIONSWITCH

    STARTERRELAY

    RADIOCONNECTION

    ALTERNATOR WARNINGLAMP

    STARTER

    HEADLIGHTSWITCH

    G

    G

    G G

    PP

    P

    W

    N

    N

    N

    N

    RG

    RG

    RG

    WN

    WN

    N

    W

    W

    W

    W

    W

    NYInd

    WG

    N

    N

    N

    N

    NN

    N

    WR

    NN

    ALTERNATOR

    +

    WR

    1 2

    3

    5 6

    GG

    WASHE

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G)

    WIPER/WASHERSWITCH

    G

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    FUEL PUMP

    YPY YRYW

    OVERDRIVEON - OFF SWITCH

    P

    P

    P

    PW

    PW

    PW

    B

    PP

    P

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    4

    COLORCODESN B ro wn L G L ig ht Gr ee nU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin conne

    WLG

    WLG

    WLG

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    WB

    WB

    8

    -

    + FUSE BOX

    WBWBB B

    B

    REAR WINDOW DEFROSTER, SWITCH& INDICATOR LAMP - GT ONLY

    1 2

    35

    DIAGRAM 18 - 75FROM BENTLEY

    G

    G

    G

    G

    G

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/N

    LG/N

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    GR

    B RINDIgreen

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    GW

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    12

    34

    7

    B L

    8RG

    GAUGELAMP

    DIMMERCONTROL

    RW

    HIGHBEAMS

    LOWB

    EAMS

    HIGH BEAM INDICATOR

    UW

    UW

    UW

    UR

    UR

    (UR)

    (UW)

    UR

    UW

    B

    B

    B

    B

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH*

    W

    FRONTPARKING

    LIGHTS

    R

    R

    RB

    B

    Left

    Right

    TAILLIGHTS&

    LICENSEPLATELAMPS

    R

    R

    RR

    R

    R

    R

    B

    B

    Left

    Right

    R

    R

    R

    R

    R

    GAUGE&

    DASH

    ILLUMINATIO

    NLAMPS

    RW

    RW

    RW

    B

    RW

    RW

    RW

    B

    B

    B

    CIGAR LIGHTER

    FUEL LEVEL

    WATER TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE

    P

    PP

    P

    P

    PW

    PW

    TRUNK/HATCHLAMP & SWITCHB

    B

    C2

    W1

    W2

    C1 G

    G

    3

    RN

    RN

    2

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    1

    3

    BRAKE SWITCH& LIGHTS

    G GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    FUEL GAUGE & SENDER

    GBLG/GG B I

    GAUGE VOLTAGESTABILIZER

    LG/G

    2

    3

    HEATER FANSWITCH

    HEATER FAN MOTOR

    GYGY

    G

    G

    TACHOMETER

    G

    72

    W

  • 7/27/2019 Mgb wiring

    20/34

    B

    HEATER FANSWITCH

    G

    GY

    C1

    W1

    W2

    C2

    +-

    BATTERY

    HIGHBEAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    RADIOCONNECTION

    UW

    UW

    G

    G G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    GK

    G

    WB

    PP

    W

    WN

    N

    N

    N

    W

    RG RG

    NW

    NW

    W

    W

    W

    NYInd

    (UR)

    (UW)

    WG (WG)

    (N) (PK)

    EGR SERVICECOUNTER & LAMP

    WR

    WR

    GKG

    GK

    WW/LG

    B

    ANTI RUN-ONVALVE & SWITCH

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    LOWB

    EA

    MS

    UW

    UR

    UR

    UR

    UW

    B

    B

    B

    *

    + +

    (S)

    (W)

    (WR)

    GAUGELAMP

    DIMMERCONTROL

    2

    3

    5

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GU

    GBLG/G

    G

    G

    B I

    GAUGE VOLTAGESTABILIZER

    LG/G

    LG/G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G/K)

    WAS

    WIPER/WASHERSWITCH

    BRAKESWITCH

    G

    G

    GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    G

    G

    G

    G

    INDUCTION

    HEATER

    G

    OVERDRSOLENO

    TRANSMISSIONINTERLOCK SWITCH

    YPYPYRY YWW

    FUEL PU

    W

    W

    OVERDRIVEON - OFF SWITCH

    INERTIASWITCH

    W

    W

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    B

    B

    RINDI

    GW

    green

    green

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    12

    34

    7

    R

    P

    DISTRIBUTOR

    IGNITION

    COIL

    BALLASTWIRE

    TACHOMETER

    WB

    WB

    WLG

    WLG

    SP SY

    4

    B

    L

    HEATER FAN MOTOR

    2

    1

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

    RG

    GAUGE

    &DASH

    IL

    LUMINATIONLAMPS

    RW

    RW

    RW RW RW

    B

    B

    CIGAR LIGHTER

    HAZARD SWITCH

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    TEMPERATURE

    SPEEDOMETER

    OIL PRESSURE

    HEATER FAN

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    HEATER CONTROL

    HEADLIGHT SWITCH

    HEATER CONTROL

    TACHOMETER

    FUEL LEVEL

    HORNBUTTON

    P

    PB

    PB

    PB

    B

    LH DOORSWITCH

    PG

    PK

    NP

    NN

    N

    N

    U

    HEADLIGHTSWITCH

    RG

    RGN

    2

    1

    3

    P

    P

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    P

    P

    P

    P

    PW

    PW

    PW

    B

    PPWB

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BW

    BW

    B

    P

    P

    1

    7 8

    6

    3

    1975 MGB W/PERIOD WFROM LATE BENT

    SEATBELT WARNING LAMP

    SEATBELT BUCKLESWITCH

    G

    YP

    YP

    P

    YN

    YN

    PG

    SEATBELTMODULE

    WR

    B

    TRUNK LAMP& SWITCH

    1

    2

    3

    4

    5

    6

    8

    B

    W

  • 7/27/2019 Mgb wiring

    21/34

    HEATER FANSWITCH

    G

    GY

    C1

    W1

    W2

    C2

    +-

    BATTERY

    HIGHBEAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    RADIOCONNECTION

    UW

    UW

    G

    G G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    GK

    G

    WB

    PP

    W

    WN

    N

    N

    N

    N

    W

    RG RG

    NW

    W

    W

    W

    NYInd

    (UR)

    (UW)

    WG (WG)

    (N) (PK)

    EGR SERVICECOUNTER & LAMP

    WR

    WR

    GKG

    GK

    WW/LG

    B

    ANTI RUN-ONVALVE & SWITCH

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    LOWB

    EA

    MS

    UW

    UR

    UR

    UR

    UW

    B

    B

    B

    *

    + +

    (S)

    (W)

    (WR)

    GAUGELAMP

    DIMMERCONTROL

    2

    3

    5

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GU

    GBLG/G

    G

    G

    B I

    GAUGE VOLTAGESTABILIZER

    LG/G

    LG/G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G/K)

    WAS

    WIPER/WASHERSWITCH

    BRAKESWITCH

    G

    G

    GP

    GP

    GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGN

    G

    G

    G

    G

    G

    INDUCTION

    HEATER

    G

    OVERDRSOLENO

    TRANSMISSIONINTERLOCK SWITCH

    YPYPYRY YWW

    FUEL PU

    W

    W

    OVERDRIVEON - OFF SWITCH

    INERTIASWITCH

    W

    W

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    B

    B

    RINDI

    GW

    green

    green

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    12

    34

    78

    R

    P

    DISTRIBUTOR

    IGNITION

    COIL

    BALLASTWIRE

    TACHOMETER

    WB

    WB

    WLG

    WLG

    SP SY

    4

    B

    B

    L

    HEATER FAN MOTOR

    1975 MGB W/SEQUENTIAL WARNING FROM LATE B

    2

    1

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

    RG

    GAUGE

    &DASH

    IL

    LUMINATIONLAMPS

    RW

    RW

    RW RW RW

    B

    B

    CIGAR LIGHTER

    HAZARD SWITCH

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    TEMPERATURE

    SPEEDOMETER

    OIL PRESSURE

    HEATER FAN

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    HEATER CONTROL

    HEADLIGHT SWITCH

    HEATER CONTROL

    TACHOMETER

    FUEL LEVEL

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    SEATBELTWARNING LAMP

    G

    G

    YP

    YK

    YU

    YU

    YG

    YG

    YW

    YN

    NP

    NP

    NP

    NP

    NP

    PG

    SEATBELTMODULE

    WR

    WR

    YO

    YO

    B1 2 3

    4 5 6

    7 8 9

    10 11 12

    GEARBOX SWITCH

    SEAT SWITCHES

    DRIVER

    DRIVER

    PSNGR

    PSNGR

    BUZZER

    SEATBELT BUCKLESWITCHES

    LH DOORSWITCH

    PG

    PK

    NP

    NN

    N

    N

    U

    HEADLIGHTSWITCH

    RG

    RGN

    2

    1

    3

    P

    P

    BRAKE FAILURE& TEST SWITCH

    & LAMP

    P

    P

    P

    P

    TRUNKLAMP & SWITCH

    PW

    PW

    PW

    B

    PPWB

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTER

    B

    BW

    BW

    B

    P

    P

    1

    7 8

    6

    3

    G

    G

    WN

    WW

    W

  • 7/27/2019 Mgb wiring

    22/34

    HEATER FANSWITCH

    G

    GY

    C1

    W1W2

    C2

    +-

    BATTERY

    U

    HIGHBEAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    RADIOCONNECTION

    HEADLIGHTSWITCH

    UW

    UW

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    GK

    G

    WB

    P

    P

    P

    P

    W

    WN

    N

    NP

    NP

    N

    N

    W

    RG

    RG RG

    N

    NW

    W

    GGO

    GOGO

    GO

    W

    W

    NYInd

    (UR)

    (UW)

    WG (WG)

    N

    N (N)N

    N

    NN

    N

    (PK)

    EGR SERVICECOUNTER & LAMP

    WR

    WR

    GKG

    GK

    W

    W

    W

    W

    WUW/LG

    B

    ANTI RUN-ONVALVE & SWITCH

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    LOWB

    EA

    MS

    UW

    UR

    UR

    UR

    UW

    B

    B

    B

    *

    + +

    (S)

    (W)

    (WR)

    GAUGELAMP

    DIMMERCONTROL

    1 2

    3

    5 6

    7 8

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GU

    GBLG/G

    G

    G

    B I

    GAUGE VOLTAGESTABILIZER

    LG/G

    LG/G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G/K)

    WAS

    WIPER/WASHERSWITCH

    BRAKESWITCH

    HAND BRAKESWITCH & LAM

    BRAKE FAILURESWITCH

    G

    G

    G

    G

    GP

    GP

    GP

    WR

    WR

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    G

    G

    GG

    G

    G

    INDUCTION

    HEATER

    G

    OVERDRSOLENO

    TRANSMISSIONINTERLOCK SWITCH

    YPYPYRY YW

    FUEL PU

    W

    W

    OVERDRIVEON - OFF SWITCH

    INERTIASWITCH

    W

    W

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    B

    B

    RINDI

    GW

    green

    green

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    12

    34

    78

    R

    P

    LH DOORSWITCH

    PG

    PK

    SEATBELT WARNING LAMP

    SEATBELT BUCKLESWITCH

    G

    P P

    P

    P

    YP

    YP

    P

    YN

    YN

    PG

    SEATBELTMODULE

    WR

    B

    B

    P

    P

    DISTRIBUTOR

    DISTRIBUTORRESISTOR

    IGNITION

    COIL

    BALLASTWIRE

    TACHOMETER

    WB

    WB

    WB

    WLG

    WLG

    SP SY

    PW

    PW

    PW

    TRUNK LAMP& SWITCH

    PW

    B

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTERB

    4

    B

    B

    L

    HEATER FAN MOTOR

    1976 MGB W/CAFROM LATE BE

    2

    3

    1

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

    2

    1

    3

    RG

    GAUGE

    &DASH

    IL

    LUMINATIONLAMPS

    RW

    RW

    RW RW RW

    B

    B

    CIGAR LIGHTER

    HAZARD SWITCH

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    TEMPERATURE

    SPEEDOMETER

    OIL PRESSURE

    HEATER FAN

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    HEATER CONTROL

    HEADLIGHT SWITCH

    HEATER CONTROL

    TACHOMETER

    FUEL LEVEL

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    NOT USED - LEFT OVER FROM1974 - 1975 MODELS WITH SEATBELT INTERLOCK SYSTEM

    1

    2

    3

    4

    5

    6

    WN

    WN

    W YPYPYRY YWW

    W

  • 7/27/2019 Mgb wiring

    23/34

    HEATER FANSWITCH

    G

    GY

    C1

    W1W2

    C2

    +-

    BATTERY

    U

    HIGHBEAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    RADIOCONNECTION

    HEADLIGHTSWITCH

    UW

    UW

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    GK

    G

    WB

    P

    P

    P

    P

    W

    WN

    N

    NP

    NP

    N

    N

    W

    RG

    RG RG

    N

    NW

    W

    GGO

    GOGO

    GO

    W

    W

    NYInd

    (UR)

    (UW)

    WG (WG)

    N

    N (N)N

    N

    NN

    N

    (PK)

    WW/LG

    B

    ANTI RUN-ONVALVE & SWITCH

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    LOWB

    EA

    MS

    UW

    UR

    UR

    UR

    UW

    B

    B

    B

    *

    + +

    (S)

    (W)

    (WR)

    GAUGELAMP

    DIMMERCONTROL

    1 2

    3

    5 6

    7 8

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GU

    GBLG/G

    G

    G

    B I

    GAUGE VOLTAGESTABILIZER

    LG/G

    LG/G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G/K)

    WAS

    WIPER/WASHERSWITCH

    BRAKESWITCH

    HAND BRAKESWITCH & LAM

    BRAKE FAILURESWITCH

    G

    G

    G

    G

    GP

    GP

    GP

    WR

    WR

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    G

    G

    GG

    G

    G

    INDUCTION

    HEATER

    G

    OVERDRSOLENO

    TRANSMISSIONINTERLOCK SWITCH

    YPYPYRY YW

    FUEL PU

    W

    W

    OVERDRIVEON - OFF SWITCH

    INERTIASWITCH

    W

    W

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    B

    B

    RINDI

    GW

    green

    green

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    12

    34

    78

    R

    P

    LH DOORSWITCH

    PG

    PK

    SEATBELT WARNING LAMP

    SEATBELT BUCKLESWITCH

    G

    P P

    P

    P

    YP

    YP

    P

    YN

    YN

    PG

    SEATBELTMODULE

    WR

    B

    B

    P

    P

    DISTRIBUTOR

    IGNITION

    COIL

    BALLASTWIRE

    TACHOMETER

    WB

    WB

    WLG

    WLG

    SP SY

    PW

    PW

    PW

    TRUNK LAMP& SWITCH

    PW

    B

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTERB

    4

    B

    B

    L

    HEATER FAN MOTOR

    1976 MGB W/O CAFROM LATE BE

    2

    3

    1

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

    2

    1

    3

    RG

    GAUGE

    &DASH

    IL

    LUMINATIONLAMPS

    RW

    RW

    RW RW RW

    B

    B

    CIGAR LIGHTER

    HAZARD SWITCH

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    TEMPERATURE

    SPEEDOMETER

    OIL PRESSURE

    HEATER FAN

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    HEATER CONTROL

    HEADLIGHT SWITCH

    HEATER CONTROL

    TACHOMETER

    FUEL LEVEL

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    NOT USED - LEFT OVER FROM1974 - 1975 MODELS WITH SEATBELT INTERLOCK SYSTEM

    1

    2

    3

    4

    5

    6

    WN

    WN

    W WW

    OVERDRIVE SO

    TRANSMISSIONINTERLOCK SWITCH

    OVERDRIVEON OFF SWITCH

  • 7/27/2019 Mgb wiring

    24/34

    HEATER FANSWITCH

    G

    GY

    C1

    W1W2

    C2

    +-

    BATTERY

    U

    HIGHBEAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    RADIOCONNECTION

    HEADLIGHTSWITCH

    UW

    UW

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    GK

    G

    WB

    PP

    W

    N

    NP

    N

    W

    RG

    RG RG

    N

    NW

    GGO

    GOGO

    GO

    W

    NYInd

    (UR)

    (UW)

    WG (WG)

    N

    (N)N

    N

    NN

    N

    (PK)

    EGR SERVICECOUNTER & LAMP

    WR

    WR

    GKG

    GK

    W

    W

    W

    W

    WUW/LG

    B

    ANTI RUN-ONVALVE & SWITCH

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    LOWB

    EAMS

    UW

    UR

    UR

    UR

    UW

    B

    B

    B

    *

    + +

    (S)

    (W)

    (WR)

    GAUGELAMP

    DIMMERCONTROL

    1 2

    3

    5 6

    8

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GU

    GBLG/G

    G

    GB I

    GAUGE VOLTAGESTABILIZER

    LG/G

    LG/G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G/K)

    WAS

    WIPER/WASHERSWITCH

    BRAKESWITCH

    HAND BRAKESWITCH & LAM

    BRAKE FAILURESWITCH

    G

    G

    G

    G

    GP

    GP

    GP

    WR

    WR

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    G

    G

    GG

    G

    G

    INDUCTION

    HEATER

    G

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    B

    B

    RINDI

    GW

    green

    green

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    12

    34

    78

    R

    LH DOORSWITCH

    PG

    PK

    SEATBELT WARNING LAMP

    SEATBELT BUCKLESWITCH

    G

    YP

    YP

    P

    YN

    YN

    PG

    SEATBELTMODULE

    WR

    B

    B

    P

    P

    DISTRIBUTOR

    DISTRIBUTORRESISTOR

    IGNITION

    COIL

    BALLASTWIRE

    TACHOMETER

    WB

    WB

    WB

    WLG

    WLG

    SP SY

    4

    B

    B

    L

    HEATER FAN MOTOR

    1977 MGB W/CAFROM LATE BE

    2

    3

    1

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

    2

    1

    3

    RG

    GAUGE

    &DASH

    ILLUMINATIONLAMPS

    RW

    RW

    RW RW RW

    B

    B

    CIGAR LIGHTER

    HAZARD SWITCH

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    TEMPERATURE

    SPEEDOMETER

    OIL PRESSURE

    HEATER FAN

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    HEATER CONTROL

    HEADLIGHT SWITCH

    HEATER CONTROL

    TACHOMETER

    FUEL LEVEL

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B1

    2

    3

    4

    5

    6

    WINERTIASWITCH

    WOVERDRIVE SO

    INTERLOCK SWITCH

    FUEL PUMP

    YPY

    Y YR

    Y

    W

    W

    ON - OFF SWITCH

    SPARKCONTROL SWITCH

    SPARK ADVSOLENO

    P

    P

    WN

    NP

    P

    P P

    P

    P

    PW

    PW

    PW

    TRUNK LAMP& SWITCH

    PW

    B

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTERB

    NOT USED - LEFT OVER FROM1974 - 1975 MODELS WITH SEATBELT INTERLOCK SYSTEM

    THERMOSTAT

    COOLING

    FANS

    WN

    7

    BG

    BG BG

    WN

    WN

    WW

    W

    OVERDRIVE SO

    TRANSMISSIONINTERLOCK SWITCH

    OVERDRIVEON OFF SWITCH

  • 7/27/2019 Mgb wiring

    25/34

    HEATER FANSWITCH

    G

    GY

    C1

    W1W2

    C2

    +-

    BATTERY

    U

    HIGHBEAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    RADIOCONNECTION

    HEADLIGHTSWITCH

    UW

    UW

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    GK

    G

    WB

    P

    P

    P

    P

    W

    WN

    N

    NP

    NP

    N

    W

    RG

    RG RG

    N

    NW

    GGO

    GOGO

    GO

    W

    NYInd

    (UR)

    (UW)

    WG (WG)

    N

    N

    (N)N

    N

    NN

    N

    (PK)

    WW/LG

    B

    ANTI RUN-ONVALVE & SWITCH

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    LOWB

    EAMS

    UW

    UR

    UR

    UR

    UW

    B

    B

    B

    *

    + +

    (S)

    (W)

    (WR)

    GAUGELAMP

    DIMMERCONTROL

    1 2

    3

    5 6

    8

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GU

    GBLG/G

    G

    GB I

    GAUGE VOLTAGESTABILIZER

    LG/G

    LG/G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G/K)

    WAS

    WIPER/WASHERSWITCH

    BRAKESWITCH

    HAND BRAKESWITCH & LAM

    BRAKE FAILURESWITCH

    G

    G

    G

    G

    GP

    GP

    GP

    WR

    WR

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    G

    G

    G

    G

    G

    G

    INDUCTION

    HEATER

    G

    WINERTIASWITCH

    W

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    B

    B

    RINDI

    GW

    green

    green

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    12

    34

    78

    R

    P

    LH DOORSWITCH

    PG

    PK

    SEATBELT WARNING LAMP

    SEATBELT BUCKLESWITCH

    G

    P P

    P

    P

    YP

    YP

    P

    YN

    YN

    PG

    SEATBELTMODULE

    WR

    B

    B

    P

    P

    DISTRIBUTOR

    IGNITION

    COIL

    BALLASTWIRE

    TACHOMETER

    WB

    WB

    WLG

    WLG

    SP SY

    PW

    PW

    PW

    TRUNK LAMP& SWITCH

    PW

    B

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTERB

    4

    B

    B

    L

    HEATER FAN MOTOR

    1977 MGB W/O CAFROM LATE BE

    2

    3

    1

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

    2

    1

    3

    RG

    GAUGE

    &DASH

    ILLUMINATIONLAMPS

    RW

    RW

    RW RW RW

    B

    B

    CIGAR LIGHTER

    HAZARD SWITCH

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    TEMPERATURE

    SPEEDOMETER

    OIL PRESSURE

    HEATER FAN

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    HEATER CONTROL

    HEADLIGHT SWITCH

    HEATER CONTROL

    TACHOMETER

    FUEL LEVEL

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    NOT USED - LEFT OVER FROM1974 - 1975 MODELS WITH SEATBELT INTERLOCK SYSTEM

    1

    2

    3

    4

    5

    6

    THERMOSTAT

    COOLING

    FANS

    OVERDRIVE SO

    FUEL PUMP

    YPY

    Y YR

    Y

    W

    W

    ON - OFF SWITCH

    SPARKCONTROL SWITCH

    SPARK ADVSOLENO

    7

    BG

    BG BG

    WN

    WN

    W

    OVERDRIVE SO

    TRANSMISSIONINTERLOCK SWITCH

    OVERDRIVEON OFF SWITCH

    INERTIASWITCH

  • 7/27/2019 Mgb wiring

    26/34

    HEATER FANSWITCH

    G

    G

    GY

    GN

    C1

    W1W2

    C2

    C1

    W1 W2

    C2

    +-

    BATTERY

    U

    HIGHBEAMS

    LOWB

    EAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    IGNITION

    RELAY

    STARTERRELAY

    ALTERNATOR WARNINGLAMP

    STARTER

    RADIOCONNECTION

    HEADLIGHTSWITCH

    UW

    UW

    UW

    UR

    UR

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    G

    WB

    P

    P

    P

    P

    WN

    WN

    N

    N

    N

    WN

    WN

    RG

    RG

    RG

    WN

    WN

    N

    NW

    W

    GGO

    GOGO

    GO

    W

    NYInd

    (UR)

    (UW)

    UR

    UW

    WG (WG)

    N

    (N)

    N

    N

    N

    (PK)

    EGR SERVICECOUNTER & LAMP

    WR

    WR

    GKG

    GK

    W

    W

    WN

    W

    WUW/LG

    GAUGE

    &DASH

    ILLUMINATIONLAMPS

    RW

    RW

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    B

    B

    ANTI RUN-ONVALVE & SWITCH

    N

    ALTERNATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *

    +

    (S)

    (W)

    (WR)

    GAUGELAMP

    DIMMERCONTROL

    RW

    RW

    RW

    RW

    RW

    RW

    RW

    B

    B

    B

    B

    1 2

    3

    5 6

    7 8

    FRONTPARKING&

    MARKERLIGHTS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    B

    B

    Left

    Right

    TAIL,REARMARKER,&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    Left

    Right

    TEMP GAUGE & SENDER

    FUEL GAUGE & SENDER

    GU

    GBLG/GG B I

    GAUGE VOLTAGESTABILIZER

    LG/G

    LG/G

    WIPER MOTOR

    LG/B

    U/LG

    R/LG

    N/LG

    G

    (LG/B)

    (B)

    (U/LG)

    (R/LG)

    (N/LG)

    (G)

    WAS

    WIPER/WASHERSWITCH

    BRAKESWITCH

    HAND BRAKESWITCH & LAM

    BRAKE FAILURESWITCH

    G

    G

    G

    G

    GP

    GP

    GP

    WR

    WR

    REVERSE LIGHTS& SWITCH

    GN

    GNGNGNG

    G

    G

    G

    G

    G

    G

    G

    G

    OVERDRIVE SOINTERLOCK SWITCH

    FUEL PUMP

    YPY

    Y YR

    YYPWN

    W

    W

    ON - OFF SWITCH

    SPARKCONTROL SWITCH SPARK ADV

    SOLENO

    SWITCHW

    W

    (LG/N)

    HAZARDFLASHER

    HAZARDSWITCH

    LG/NLG/P LG/N

    LG/N

    LG/P

    G

    N

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    GR

    B

    B

    RINDI

    GW

    green

    green

    LH REAR

    LH FRON

    GR

    BL

    INDI

    GR

    GR

    GW

    GW

    GW

    green

    (GW)

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    12

    34

    78

    R

    P

    LH DOORSWITCH

    PG

    PK

    SEATBELT WARNING LAMP

    SEATBELT BUCKLESWITCH

    G

    P P

    P

    YP

    YP

    P

    YN

    YN

    PG

    SEATBELTMODULE

    WR

    B

    B

    1

    2

    3

    4

    5

    6

    HORNBUTTON

    HORNS

    P PB

    PB

    B B

    P

    P

    THERMOSTAT

    COOLING

    FANS

    DISTRIBUTOR

    DISTRIBUTORRESISTOR

    IGNITION

    COIL

    BALLASTWIRE

    TACHOMETER

    WB

    WB

    WB

    WLG

    WLG

    SP SY

    PW

    PW

    PW

    CLOCK

    TRUNK LAMP& SWITCH

    PW

    B

    B

    P

    P

    P

    COURTESY LAMP& DOOR SWITCHES

    CIGARLIGHTERB

    4

    B L

    CIGAR LIGHTER

    HEATER CONTROL

    HEATER CONTROL

    FUEL LEVEL

    TEMPERATURE

    SPEEDOMETER

    TACHOMETER

    CLOCK

    OIL PRESSURE

    HAZARD SWITCH

    HEATER FAN

    BG

    BGBG

    HEATER FAN MOTOR

    1978 & LATERFROM BENT

    2

    3

    1

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    = one pin of a multi pin connec* two switches combined inindicates

    NN

    2

    1

    3

    Batt

    NP

    NOT USED - LEFT OVER FROM1974 - 1975 MODELS WITH SEATBELT INTERLOCK SYSTEM

    NB W WW YRYW YP

  • 7/27/2019 Mgb wiring

    27/34

    MGC - UK MAFROM BENT

    +-

    BATTERIES

    STARTER

    NB

    NG

    -Ind

    NNY ALTERNATOR

    ALTERNATORWARNING LAMP

    REGULATOR

    +

    -+

    F

    U

    LOWB

    EAMS

    IGNITIONSWITCH

    HEADLIGHTSWITCH

    G

    G

    G

    G

    G

    GP

    P

    W

    W

    N

    W

    N

    BG

    RR

    R

    R

    N

    N N

    N

    W

    W W

    N

    N

    NN

    N

    GAUGE

    &DA

    SH

    ILLUMINATIONL

    AMPS

    COURTESY/MAPLIGHT/SWITCH

    RW

    W

    WR

    GAUGELAMP

    DIMMERCONTROL

    RW

    RWB

    RWB

    RWB

    RWB

    RWB

    G

    FUEL GAUGE & SENDER

    B I

    GAUGE VOLTAGESTABILIZER

    GBLG/G

    BRAKE SWITCH

    G GP

    GP

    GP GP

    REVERSE LIGHTS& SWITCH

    GN

    GNGN GNG

    GG

    FUEL PUMP

    W

    W

    (LG/N)LG/NG

    *TS SWITCH

    L

    TURN SIGNALFLASHER

    B

    CIGAR LIGHTER

    FUEL LEVEL

    SPEEDOMETER

    TACHOMETER

    OIL PRESSURE/WATER TEMPERATURE

    FUSE BOX

    B

    GBBGREAR WINDOW DEFROSTER

    & SWITCH - GT ONLY

    N

    CIGAR

    LIGHTER

    B

    HIGHBEAMS

    HIGH BEAM INDICATOR

    UW

    UW

    UW

    UR

    UR

    UR

    UW

    UR

    UW

    B

    B

    B

    B

    U

    DIMMERSWITCH

    RG

    G

    TACHOMETER

    W

    DISTRIBUTOR

    IGNITIONCOIL

    WB

    FRONTPARKIN

    G

    LIGHTS

    R

    TAILLIGHTS&

    LICENSEPLATELAMPS

    R

    R

    R

    R

    R

    R

    R

    R

    B

    B

    R

    R

    R

    R

    R

    B

    B

    HORNBUTTON

    HORNS

    P

    P

    PB

    PB

    PB

    B

    PW

    PW

    PW

    B P

    COURTESY LAMP& DOOR SWITCHES

    1 2

    3 4

    5 6

    7 8

    FLASH-TO-PASSSWITCH

    *

    HEATER FANSWITCH

    HEATER FAN

    GNGN

    1

    3

    OVERDRSOLENO

    TRANSMISSIONINTERLOCK SWITCH

    YRYW

    OVERDRIVEON - OFF SWITCH

    YP

    - F + B+

    1 2

    F

    G

    G

    G

    G

    (GR)

    RH REAR

    RH FRONGW

    GW

    GR

    GR

    LH REAR

    LH FRON

    GR

    GR

    GW

    GW

    B RINDIgreen

    GW

    GR BL

    INDIgreen

    (GW)

    WIPER MOU/LG

    R/LG

    N/LG

    G

    WIPERSWITCH

    G

    1

    3

    5

    7

    RADIO

    COLOR CODESN B r own LG Li ght Gr eenU Blue W WhiteR Red Y YellowP Purple S SlateWire colors shown in ( ) are suppliedcomponent they are connected to.

    *These two switches are combined in

    2

    2

    4

    6

    8

    3 4

    21

    WNB

    OVERDRIVESOLENOID

    TRANSMISSIONINTERLOCK SWITCH

    OVERDRIVEON - OFF SWITCH

  • 7/27/2019 Mgb wiring

    28/34

    +-

    BATTERIES

    U

    HIGHBEAMS

    LOWB

    EAMS

    HIGH BEAM INDICATOR

    IGNITIONSWITCH

    ALTERNATOR WARNINGLAMP

    STARTER

    UW

    UW

    UW

    UR

    UR

    W

    W

    W

    W

    W

    W

    N

    N

    N

    N

    WR

    W

    W

    W

    W

    WNB

    NG

    Ind

    (UR)

    (UW)

    UR

    UW

    N

    N

    NN

    B

    B

    B

    B

    NNY ALTERNATOR

    REGULATOR

    (U)(P)

    DIMMER &FLASH-TO-PASS

    SWITCH

    *