7/24/2019 3dj Sistema Electrico

1/2

SENR3924January 1988

428 & 438 Backhoe Loaders

Electrical System

6TC1-7999

3DJ1-999

1988 Caterpillar

All Rights Reserved

Printe

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P OWER DISTRIBUTION CIRCUITS GROUND CIRCUITS (CONT.)101 RD BATTERY 214 BK ANTISPINCODING PIN 18102 BU HEAD LAMP 215 BK ANTISPINCODING PIN 191 YL O A HLA A K, AIL LA 1 K AN I INCO ING IN1 04 Y L T O RQ UE CO NV ERT ER S WI T CH 2 17 B K T RANSM I SS I ONCO DI NG PI N1 71 05 B R K EY S WI TC H 2 18 B K T RA NS MI SS IO N CO DI NG P IN 1 81 06 W H M AI NP OW E R RE LA Y/ I NP UT 2 19 B K T RANSM I SS I ONCO DI NG PI N1 9107 WH ENGINE SHUT DOWN/AUTO FIRE CONTROL 220 BK ENGINEOILPRESSURESENSOR1 U I CWI , O LA , CIGA LIGH 1 K NGIN COOLAN N O1 09 O R A LT ER NA TO R 2 22 B K M ON IT OR P AN EL C OD IN G 11 10 G N W I NDS HI E LD W I PE R S W. ( R IG HT) 2 23 B K M O NI T ORP A NE L CO DING 2111 YL WIN H I L WI W. L ) 4 K NGLI H IC CO ING1 12 P U M AI N P OW E R RE LA Y/ O UT P UT 2 26 B K HY DOI L T EM P SE NSO R113 OR OPERATOR MONITOR PANEL 227 BK TRANSMISSION CODING PIN 371 14 G N W AR NI NG H OR N ( FO RW AR D) 2 28 B K F UE L LE VE L SE ND ER1 15 P K F LO OD L AM P ( FR ON T) 2 30 B K T MC A CT UA TO R GR OU ND11 LOO LA A )- I ON , , 1O, 11) 1 K AN I ION WI CH117 YL FLOOD LAMP (SIDE) 232 BK ENGINE SPEED CONTROL SOLENOID GROUND118 GY WINDSHIELD WIPER SW. (FRONT) 233 BK ENGINEUNDERSPEEDCONTROL-PROPORTION1 19 P K W I NDS HI E LD W I PE R S W. ( REA R) 2 34 B K E NGI NE SP EE DCONT RO L SO L ENO IDG ROUND1 20 Y L CO NV ERT ER ( 2 4 V t o 1 2 V ) 2 36 B K T RANSM I SS I ONCO DI NG PI N3 61 1 YL ACKU ALA LA 4 K NGIN CON O L122 BU AIR DRYER 241 BK OPERATOR MON PANELTIME DELAY PIN31 23 W H G A UG E S (S E RV I CE M ET ER, T ORQ UE CO NV S O LE NOI D) 2 42 B K O P ERA TO RM ONP A NE L TI M E DE LA Y P IN41 24 G N A I RCO NDI T IO NER 2 43 B K O P ERA TO RM ONP A NE L TI M E DE LA Y P IN5125 OR FUEL TRANSFER PUMP 244 BK OPERATOR MON PANEL TIME DELAY PIN 61 K AN I IONCON OL K AYLOA ONI O -CU O G OUN127 OR CAB FLOOD LAMP 251 BK PAYLOAD MONITOR-SYSTEM GROUND1 28 P K K I CK O UT S OL ENO ID S W. 2 52 B K P A YL OA DM ONI TO R-DI SP LA Y T O CO NTRO L1 U CIGA LIGH K LUC HA N CO130 GN STOP LAMP AUX FLOODS 257 BK LUC HARNESS CODE 11 31 B R F I RE CO NT ROL - OP ERA TO R W ARNING 2 58 B K L UCHA RNE SS CO DE 21 32 P K A NT IS PI N C ON TR OL 2 59 B K L UC H AR NE SS C OD E 31 33 O R M AI N PO WE R RE LA Y D IA GR ES TO DI AG NO ST IC 2 60 B K T EC HI D CO DE 01 4 K OG A L C ONIC NG CON LOGIC 1 K CHI CO 1135 BU AM/FM RADIO 262 BK TECHID CODE 2136 GN SUPPLEMENTAL STEERING 263 BK TECHID CODE 31 37 O R S T EE RING M OT O RFUSE - SM AL L TRUCK S MACHINEBASICCIRCUITS1 38 G N A UT OM AT IC L UB E PU MP /P AY LO AD M ON IT OR 3 01 B U S TA RT ER N O. 1 SO LE NO ID T O RE SI ST OR1 O AK L A LAY O A NO.1 I O O IAGNO IC1 40 B U B RAK E RE LE AS E S WI T CH 3 04 W H S T ART ERRE LA Y NO. 1 O UT P UT1 41 P K A UX IL IA RY H EA TE R/ DE FR OS TE R (F RO NT ) 3 05 B U K EY S WI TC H T O A LA RM H OR N142 BU F AST DU MP SOLEN OI D 306 G N S TAR TE R R ELAY COI L/ NEU TR AL ST ART SW. OR1 43 B K T RANSM I SS I ON D I SCO NNE CT S WI T CH 3 07 O R K E Y S W. T O NE UT RAL S T ART S W.144 GN FOG LAMP/BEACON 308 YL MAIN POWER RELAY COIL1 45 B U DUAL HP S OL ENO ID S WI T CH 3 09 G Y A LT E RNAT O RRE GUL AT ORT E RM1 46 G Y A CCE SS O RY S W IT CH 1 3 10 P U E T HE R S W. T O E THE R S OL ENO ID14 U ACC O Y WI CH 11 WH H OL NOI O A U W.1 48 W H A / C S W IT CH 3 12 P K S T ART ERNO .2 S OL ENO IDT O RES I ST O R1 49 P U F LO OD LA MP ( FR ON TA TT AC HM EN T) 3 13 G Y S TA RT ER N O. 2R ES IS TO RT OD IA GN OS TI C150 O R F LOOD LAMP (REAR AT TAC HMENT ) 314 PU ST AR TER RELAY NO. 2OU TP UT151 GN DEFROSTER 315 GN START AID BREAKER TO START AID RELAY1 U AUX. WI WI CH 1 K CAN O L VA O N U AL A W. JU1 53 W H 3 P T . H I TCH CO NT ROL 3 17 Y L S T ART A IDRE LA Y TO S T ART A IDS O LE NO I D1 54 W H A I RCO NDI T IO NER 3 20 O R HO RN RE LA Y CO IL T O S WI T CH156 YL CB RADIO 321 BR BACKUP ALARM/LAMP/TRAVEL ALARM1 57 Y L T URN F USE T O HA ZA RD S W IT CH 3 22 G Y W A RNI NG HO RN ( F ORWA RD)1 + O CON N LAY CON AC WH U L AN U OW1 59 B U W I PE R M O TO R-RI GHT 3 24 B U DI FF ERE NT I AL L OCK UP S OL ENO ID

1 60 P U W I PE R M O TO R-L EF T 3 25 P K F UEL P UM P REL AY O I L PRE SS URE S W.1 1 K HA A U O HA A WI CH U K Y WI CH C INAL162 YL AUXILIARY HYDRAULIC LEFT 327 PK SHUTDOWN SOLENOID163 WH AUXIL IARY HYDRAULIC RIGHT/SWING 328 OR SHUTDOWN MODULE "OFF"1 65 Y L D IF FE RE NT IA LL OC K/ AP RO NS OL EN OI D 3 29 Y L F UE L P UM P T O S WI TC H167 OR LOCKUP CLUTCH 330 YL NEUTRAL START RELAY COIL1 GN U LING U 1 O ACK-U ALA LAY COIL169 PK BLADE CUSHION 332 BU SHUTDOWN SWITCH TO SHUTDOWN CONTROL1 70 Y L B LA DE F LO AT 3 33 G N S CR AP ER K EY S W. " R" T ER MI NA L1 71 G N D OZ ER F LO AT MONITORINGCIRCUITS172 GN HAZARD FUSE TO FLASHER 400 GN SERVICE METER SWITCH1 YL U N U O LA H 4 1 U HY OIL GAUG N O +174 PK CUSTOMER ADD-ONS 402 YL COOLANT TEMP GAUGE SENSOR B+175 PK TRAILER TURN/HAZARD 403 GN ALTERNATOR (R) TERMINAL176 YL CUSTOMER ADD-ONS 404 YL OPERATOR MON PANEL HYDRAULIC OIL TEMP1 76 O R C RA NK CA SE GU AR D -P UM PM OT OR 4 05 G Y O PE RA TO R M ON PA NE LO IL P RE SS .( LO WS ET1 O

AIN AK 4 U O AO ON AN LCOOLAN178 GN MAIN BREAKER 407 PK OPERATOR MON PANEL CONV/RETARDER OIL180 GN DUAL H.P. BREAKER 408 WH OPERATOR MON PANEL BRAKE PRESS. (AIR)1 1 GY NGIN CON OL- + A Y 4 O O A O ON AN L N U AL1 82 P U E NG IN EU ND ER SP EE DC ON TR OL 4 10 W H O PE RA TO RM ON PA NE LF AU LT AL AR M

GROUNDCIRCUITS 4 11 P K O P ERA TO RM ONP A NE L MA ST E RFA ULT L AM P200 BK MAIN CHASSIS 412 BU OPERATOR MON PANEL COOLANT FLOW201 BK O PERA TOR MON ITOR PAN EL 413 BR O PERA TOR MON PAN EL FU EL PRES S.

K AN I I ONCON OL 414 K O A O ON AN L LOW U L203 BK CHASSIS DIAGNOSTIC 415 GN OPERATOR M ON PANEL TEST S W.2 04 B K O PE RA TO RM ON IT OR PA NE L( SC RA PE R) 4 16 O R S EC ON DA RY S TE ER IN GS W.205 BK INSTRUMENT 417 GY PRIMARY STEERING SW.2 06 B K B AT TE RY SI DE OF DI SC ON NE CT 4 18 W H O PE RA TO RM ON PA NE LO IL PR ES S. (H IG HS ET

K A IAGNO IC 41 YL O A O ON AN L A KING AK208 BK TRAILER CONNECTOR (GROUND) 420 OR OPERATOR MON PANEL FUEL FILTER/LOW209 BK FIRE SUPPRESSION SYSTEM ACCUM PRESS.210 BK CONVERTER OUTPUT (24 /12 VOLT) 421 BU OPERATORMONPANELFAULTLAMP(SCRAPE2 11 B K D IS CO NN EC T DI AG NO ST IC R ES IS TO R 4 22 Y L O PE RA TO R MO N PA NE L WA RN IN G HO RN ( SC RA1 K AN I INCO ING IN 1 4 U O A O ON AN L W. C A )

2 13 B K A NT IS PI N CO DI NG P IN 1 7

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NI IN CI CUI C N .) ACC Y CI CUI C N .)4 24 G Y O PE RA TO R MO N PA NE L PO WE R TR AI N TE MP 5 24 B U W IN DS HI EL D W IP ER -L EF T ( LO W)425 PK OPERATOR MON PANEL POWER TRAIN OIL LEVEL 525 GY WINDSHIELD WIPER-LEFT (HIGH)426 BR OPERATOR MON PANEL POWER TRAIN OIL FILTER 526 YL WINDSHIELD WIPER-RIGHT (PARK)427 GN OPERATOR MON PANEL POWER TRAIN OIL 527 GN WINDSHIELD WIPER-RIGHT (LOW)

IL JU K WIN HI L WI - I GH HIGH)4 28 O R O P ERA TO RM ONP A NE L T RA NSM I SS I ONO I L TE MP 5 29 W H W I NDS HI E LD W A SHE R- LE F T4 29 Y L O PE RA TO RM ON PA NE LB RA KE OI LT EM P 5 30 O R W IN DS HI EL D WA SH ER -R IG HT430 BU O PER ATO RMO NP ANE LAI RF ILT ER 531 WH F IR E WAR NI NG H OR N4 31 G N O P ERA TO RM ONP A NE L L OW T RANS FE RP UM P PRE SS . 5 32 W H F I RE W ARNING L AM P4 K O A O ON AN L AK . OIL) O H A N O W.4 33 B U O P ERA TO RM ONP A NE L BRA KE P RES S. ( O IL ) JUM PE R 5 34 W H HE A T S E NS OR/ TE ST S W.4 34 B U O P ERA TO RM ONP A NE L P OW ERT RAI NT EM P JUM PE R 5 35 B U W I NDS HI E LD S W . T O W I PE R S W.4 35 Y L O P ERA TO RM ONP A NE L P OW ERT RAI NT EM P JUM PE R 5 36 W H HA ZA RD S WI T CH T O T URN S WI T CH436 OR OPERATOR MON PANEL POWER TRAIN OIL 537 GR TURN SIGNAL SW. TO FLASHER

IL JU HA A IN ICA O4 37 B R O PE RA TO R MO N PA NE L FU EL L EV EL T O FU EL 5 39 B U T UR N SI GN AL I ND IC AT OR B AS IC /R IG HT

FILTER JUMPER 540 WH TURN SIGNAL INDICATOR LEFT4 38 Y L O PE RA TO R MO N PA NE L CO OL AN T TE MP J UM PE R 5 41 G N A CC ES SO RY 1439 YL LAMP INDICATOR 542 BU ACCESSORY 244 AI U GAUG 4 AIL CONN C O AIL LA )441 OR EN GI NE COO LANT TEMP GAU GE 544 R D T RAI LER CO NNEC TOR (S TOP LAMP)4 42 G Y H YD RA UL IC SY ST EM TE MP GA UG E 5 45 B U T OG GL E SW . TO B UT TO N: MO ME NT AR Y TI LT E NA BL E4 43 Y L P O WE R T RAI N T E MP G A UG E 5 46 B U A UX HYDRAUL IC- RO T AT E CL OCK WI S E4 44 B U CO NV / RE T ARDERO I L TE MP G A UG E ( TRA CT O R) 5 47 O R A UX HYDRAUL IC- RO T AT E CO UNT ER- CL O CK WI S E44 GN CONV A OIL GAUG C A ) 4 GY AUX HY A ULIC-O N446 PU BR AKE OI LTEMPE RAT URE GAU GE 549 PK A UX HYD RAU LI C- CLOSE447 PK FUEL LEVEL GAUGE 550 OR AUX HYDRAULIC LEFT-DISCONNECT TO SW.448 WH AI RPR ESSU RE GAU GE 551 YL A UX HY DR AU LI C R IGH T-D ISC ON NEC T T O S W.4 49 B U S PE ED OM ET ER SE ND ER (S IG NA LN O. 1) 5 52 W H F OU R WH EE L D RI VE SO LE NO ID4 YL ACHO N + ) YL I CH OL NOI O IGG W.- UAL IL451 BR T AC HO METE RSE ND ER (-) 554 PK MO MEN TAR Y S W. TO SI NGLE TI LT SOL. -DU AL TI LT452 PU TORQUE CONVERTER 555 OR TRIGGER SW. TO TOGGLE-DUAL TILT4 53 P K S EC ON DA RY ST EE RI NG FA UL TL AM P 5 56 W H D IF FE RE NT IA L L OC K4 54 G N R ET AR DE RI ND IC AT OR LA MP 5 57 Y L T RA IL ER C ON NE CT OR ( LE FT TU RN /H AZ AR D)455 YL CONVERTER TEMP SW.TOTIME DELAY 558 GN TRAILER CONNECTOR (RIGHTTURN/HAZARD)456 BR MONITOR PANEL PTO 559 YL AUTOLUBE SOLENOID4 U ON I O AN L G O UN N GN H ALO N . W .HA LON . W.456 PK MONITOR PANEL +V 561 BU HALON PRESS. SW./NITROGEN PRESS. SW.4 59 P K M ON IT OR P AN EL I MP LE ME NT P OS IT IO N 5 62 Y L N IT RO GE N P RE SS . S W. /N IT RO GE N P RE SS . S W.460 BU MON IT OR PAN EL PR OGR AM PI N 563 PU N IT ROGEN P RESS . SW. / FI RE MO NI TOR4 61 O R O P ERA TO RP ANE L BRA KE A I RPRE SS . J UM PE R 5 64 G Y RE AR W I PE R I NTE RRUP T S W . T O W I PE R S W.4 YL ING O O IN ICA O U OGGL W. O U O N: O N A Y IL I A L463 YL SENSOR PRESENT 566 YL CONDENSER RELAY COIL TO THERMOSTAT SW.4 64 G Y M ON IT OR P AN EL E NG IN E OI L PR ES SU RE S EN SO R 5 67 W H A /C SW IT CH JU MP ER465 OR LOW CHARGE PRESSURE WARNING 568 GN WARNING BUZZER TO DIODES4 66 W H M ON IT OR P AN EL S TE ER IN G OI L TE MP ER AT UR E 5 69 P K A /C SW IT CH JU MP ER NO .24 WH Y AUL HY ) U LA CU HION OL NOI4 68 Y L B RA KE OI LC IR CU LA TI ON JU MP ER 5 71 O R D OZ ER FL OA TS OL EN OI D/ BU CK ET469 GN FUEL LEVEL SENDER B+ 572 PU BLADE FLOAT LIMIT SW. NO.14 70 P U CA NE S W IT CH NE UT RAL 5 73 G N B L ADE F LO A T L I MI T S W . NO .24 71 P K T RA NS MI SS IO N NE UT RA L TO P AR KI NG B RA KE 5 74 W H B LA DE F LO AT S OL EN OI D4 O A K ING AK W O OV OK W. YL WIN HI L WI -AUX A K)4 73 G Y O V ERS TRO KE S W. T O O V ERS TRO KE S W. 5 76 P K W I NDS HI E LD W I PE R-A UX ( L OW )474 WH OVERSTROKE SW. TO OVERSTROKE SW. 577 PU WINDSHIELD WIPER-AUX (HIGH)4 75 B R O V ERS TRO KE S W. T O T RAI L ING UNIT 5 78 B U W I NDS HI E LD W A SHE R- A UX4 76 B U CO NT ROL L EV ER L OCK I NDI CAT O R 5 79 B R A / C B L OW ER M OT O R NO .14 YL O N IGNAL NO. ) O A C LOW O O NO.4 78 G Y P RE SS . SW .T OR ED LA MP -I MP AC T RI PP ER 5 81 G Y L EF TR EA R T UR N/ HA ZA RD4 79 B U P RE SS . SW . TO G RE EN L AM P- IM PA CT R IP PE R 5 82 P K R IG HT R EA R TU RN /H AZ AR D4 80 P K NE UT RAL -CS T T O A WD 5 83 O R A / C B L OW ER T O B LO W ER B REA KE R481 GN CONV TEMP SW. TO BRAKE OIL TEMP SW. 584 YL WIPER SWITCH JUMPER4 AK LUI L V L YL A UX HY AULIC-O N484 YL PRIMARY STEERING LAMP 586 BR AUX HYDRAULIC-CLOSE485 YL OPERATOR MON PANEL ALL WHEEL DRIVE FAULT LIGHTING CIRCUITS

A400 PK FUELPRESSURESENDER 600 BR DASHBASICA402 BU COOLANTPRESSURESENDER 601 GY DASHHIGHA41 WH C A AN I ION WH O LA

ACCESSORYCIRCUITS 6 03 P K R OT AR YB EA CO N5 00 B R W I NDS HI E LD W I PE R - F RONT ( P ARK ) 6 04 O R S T OP L A MP5 01 G N W I NDS HI E LD W I PE R - F RONT ( L OW ) 6 05 Y L T URN- LE F T5 02 O R W I NDS HI E LD W I PE R - F RONT ( H IG H) 6 06 G Y T URN- RI G HT5 03 B R W I NDS HI E LD W I PE R - RE AR ( PA RK) 6 07 P K F L OO D-F RONT5 04 Y L W I NDS HI E LD W I PE R - RE AR ( LO W ) 6 08 G N F L OO D-RE AR

U WI N H I L WI - A HI GH ) YL LOO - I5 06 P U W I NDS HI E LD W AS HER - F RONT 6 10 O R HE ADL A MP B AS I C5 07 W H W I NDS HI E LD W AS HER - RE AR 6 11 P U HE ADL A MP HI GH508 PU RADIO SPEAKER-LEFT 612 GY BACKUP509 WH R AD IO SPE AKER -LEF T( COMMON ) 613 PK LI CEN SE PLA TE1 YL WIN H I L WA H - I 14 U A K AIL A H

511 BR RADIO SPEAKER-RIGHT 615 YL CAB FLOOD/ROPS5 12 G N R AD IO SP EA KE R- RI GH T (C OM MO N) 6 16 B U B UC KE TF LO OD /B OO MF LO OD5 13 O R A I RCONDIT I ONE RCO MP RES SO R/RE FRI GE RANT 6 17 B R T A IL / PO S IT I ONL AM P- L EF T ( RO ADI NG P A CK AG E )

PRESS. SW. 618 YL TAIL/POSITIONLAMP-RIGHT(ROADINGPACKAGE)14 U AI CON I ION CON N O O 1 G H A LA LOW

515 GY BLOWER MOTOR (HIGH) 620 WH FLOOD-FRONT(ENGINE FLOOD LAMP)5 16 G N B LO W ER M OT O R ( ME DIUM ) 6 21 G Y F L OO DLA MP I NDI CAT O RLA M P5 17 B U B L OW ER M O TO R ( LO W ) 6 22 P U F L OO DLA MP 3 W AY S WI T CH J UMP E R518 OR HAZARD FLASHER TO SWITCH 623 BU FLOODLAMP 3 WAY SWITCH JUMPER1 K H

O A O IG AN . W. 4 YL LOO LA OWL5 20 W H O P ERA TO R A I R CO NDI TI O NE R S WI T CH 6 25 B K CO URT ES Y LA MP

T O T HE RMO S TA T /F USE 6 26 B U DA SHDI MM ER5 21 Y L A IR C ON D S W. T O R EF RI GE RA NT S WI TC H 6 27 Y L F OG L AM P522 WH AIR COND CLUTCH TO THERMOSTAT SW. 628 PK RIGHTTURN DASH INDICATOR

WIN HI L WI L A K ) K AUX H A LA

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LIGHTING CIRCUITS (CONT.) CONTROL CIRCUITS (CONT.)630 GY F LO OD REA R( ATT ACH ) 791 PK EN GI NE SPEED CON TRO L-LOW SPEED SOLE NO D

1 GY OG LA - IGH O UN O O I ONAL OL NOI632 WH FOG LAMP-LEFT 793 YL ENGINE SPEED CONTROL-LOW PRESSURE SWIT633 BU ATT ACH LIG HTI NG CI RCU IT 794 YL PAYLOAD MON ITOR TRAN SMI SSI ON PI CKUP634 WH HEAD LAMP SW TO WORK/HEAD LAMP JUMPER 795 YL DUAL kW SOLENOID635 BR TURN SIGNAL COMMON 798 GN FAST DUMP SW. TO 4TH FUNCTION SW.

U A YL OA O NI O L I GH W H A YL OA O NI O NO O W6 36 G N P AY LO AD MO NI TO RG RE EN LI GH T 8 00 B U A UT OM AT IC MO DE -L OC KU PC LU TC H637 GN LOCKUP CLUTCH LAMP 801 PK LUBE SOLENOID

CONTROLCIRCUITS 8 02 Y L L UB E PR ES SU RE S W IT CH700 P K AN TI SPI NTE ST SWI TCH 803 BU A UTO FI RE SYST EM SWI TC H POWER

1 O AN I I ONLOCKU CLU CH OL C A ) 4 GN AU O I AK WI CH702 OR TRANSMISSION BRAKE SWITCH JUMPER 805 PK AUTOFIREBRAKESWITCH703 BU TRAN SMI SSI ON UP SOLEN OI D 806 GY AUT OF IRE DI SC HARG ESWI TC H7 04 G Y T RA NS MI SS IO ND OW NS OL EN OI D 8 07 B R AU TO FI RE NI TR OG EN SW IT CH TO CO NT RO L7 05 P K T RANS MI S SI O NLO CKUP CLUT CHS O L BA SI C 8 08 P U A UTO F I RE NI TRO GE NS W. T O NI TRO GE NS W.

AN I ION A WI CH GN AU O I Y WA NING CK .7 07 P U T RA NS MI SS IO NB ED RA IS ES WI TC H 8 10 B U A UT OF IR ES YS TE MF AI LU RE CK T.708 YL TRANSMISSION HOLD SWITCH 811 GY FIRE TEST CKT.7 09 O R T RANS MI S SI O N P I CK UP P OW E R 8 12 G N F I RE NI TRO GE NA CT UAT I ONS O LE NOI D7 10 G N T RA NS MI SS IO N SP EE D PI CK UP S IG NA L 8 13 P K A UT O FI RE A GE NT C YL IN DE R SW . TO N IT RO GE N11 AN I I ONL V CO 1 14 YL AU O I AG N W. O AG N W.

7 12 W H T R AN SM IS SI ON L EV ER C OD E 2 8 15 W H L OC KU P C LU TC H T RA NS MI SS IO N P RE SS UR E S W713 OR TRANSMISSION LEVER CODE 3 816 BR AUTO FIRE ALARM714 YL TRANSMISSION LEVER CODE 4 817 WH BACKUP ALARM RELAY7 15 G N T RA NS MI SS IO NL EV ER CO DE 5 8 18 B R P AY LO AD MO NI TO RS ER IA LD AT A( TX )1 U AN I IONL V CO 1 GY AYLOA ONI O IAL A A X )

717 BR BOWL APRON SOL FLOAT/VCTC SOL 820 BU PAYLOADMONITORTRANSMITKEY720 PU TRANSMISSION BRAKE SW. 821 YL LOCKUPCLUTCHPRESSURESENSORRETURN721 BR T RAN SMI SSI ON GEAR CO DE 1 822 PK FOR WAR DH YDR ST SYN CS OLEN OI D722 WH TRANSMISSION GEAR CODE 2 838 YL FRONT GUARD MOTOR723 OR TRANSMISSION GEAR CODE 3 839 BU FRONT GUARD MOTOR7 24 Y L T RA NS MI SS IO NG EA RC OD E4 8 56 G N E NG IN EU ND ER SP EE DC ON TR OL- TH RO TT LE SW

GN AN I I ON G A CO O WI NG O I I C O L NO I XC AVA O )7 26 B U T RA NS MI SS IO NG EA RC OD E6 8 58 G Y P AY LO AD MO NI TO RR IG HT FR ON TS IG NA L727 GN STEERING MOTOR RELAY 859 YL PAYLOAD MONITOR LEFT FRONT SIGNAL7 28 B U S UPP LE ME NTA L ST EE RING CONT RO L S WI T CH 8 60 P K P AY LO ADM O NI T ORRI GHT REA RS IG NAL7 29 P U E JE CT OR RE TU RN SO LE NO ID 8 61 P U P AY LO AD MO NI TO RL EF TR EA RS IG NA L

O J C O U N N O L NO I U AYLOA O NI O AN I LC OU7 31 B U E JE CT OR E JE CT D ET EN TE D SO LE NO ID 8 64 B R P AY LO AD M ON IT OR C LO CK L CD O UT7 32 B R E JE CT OR K IC KO UT O N RE TU RN S OL EN OI D 8 65 G Y P AY LO AD M ON IT OR L AT CH L CD O UT7 33 B R S WI TC HI NG GE AR CO DE 1 FR ON T 8 66 P K P AY LO AD MO NI TO RT ES T/ SE T734 W H SWI TCH IN GGEA RC OD E2 FR ON T 867 PU PAYLOAD MON ITOR MOD E

O W I C HI NG G A C O O N O O IN H I C H CO N O L- O W N O L N O I7 36 Y L S WI TC HI NG GE AR CO DE 4 FR ON T 8 71 B U 3 PO IN TH IT CH C ON TR OL -S OL EN OI D CO MM ON737 GN SWI TCH IN GGEA RC OD E5 FR ON T 872 YL 3 POI NT HI TC HCO NT ROL- UP SO LEN OI D738 BR SWI TC HI NG GEAR COD E1 REAR 873 W H FR ON TGU AR D P OWER739 WH SWITCHING GEAR CODE 2REAR 874 GY REAR GUARD POWER4 O WI C HING G A CO A O I LAC N OL NOI

7 41 Y L S WI TC HI NG GE AR C OD E4 RE AR 8 88 P K 3 PO IN TH IT CH CO NT RO L- HI TC HP OS IT IO N7 42 G N S WI TC HI NG GE AR C OD E5 RE AR 8 89 G Y 3 PO IN TH IT CH CO NT RO L- HA ND LE PO SI TI ON743 PU SWITCHING NEUTRAL/RUN SW. 890 PU 3POINTHITCHCONTROL-HOOKUPSWITCH744 BU SWI TC HI NG UP SOLEN OID 896 GN NE UT RAL STAR TCO NTR OL TO AU GER MAST ER4 GY WI CHING O WN O LNOI GN A GUA O O

7 46 P K S WI TC HI NG SY NC HR ON IZ ES OL EN OI D 8 98 P U R EA RG UA RD MO TO R7 47 W H S W IT CH IN G NO S YN CH RO NI ZE S OL EN OI D 9 04 W H I M PA CT OR S WI TC H TO R EL AY C ON TA CT748 BR SUPPLEMENTALSTEERINGDUMPVALVE(MOTORGR.) 905 PK IMPACTORSWITCHTORELAYCONTROL7 49 O R S UP PL EM EN TA L ST EE RI NG G OV ER NO R 9 06 P U R EL AY CO NT AC T T O D RA WB AR PR ES SU RE SW IT

WI CH O O G .) YL IGG WI CH O HOU750 GN EJECTOR KICKOUT 908 GY DRAWBAR PRESS. SW. TO RIPPER FRAME PRES7 51 G N C OU NT ER SH AF T SH IF T SO LE NO ID N O. 1 OR 3 9 10 Y L T RA NS MI SS IO N NE UT RA LI ZE R SW IT CH T O OV ER7 52 Y L C OU NT ER SH AF T SH IF T SO LE NO ID N O. 2 9 16 B U S CR AP ER T RA NS MI SS IO N GE AR C OD E 67 53 G Y L OC KU PC LU TC HC ON TR OL TO SW IT CH 9 16 G Y S WI TC H TO LO CK UP CL UT CH CO NT RO LE NA BL E

4 U C OUN HA HI OL NOI NO. O 1 1 WH UAL H L AY O WI CH7 55 O R C OU NT ER SH AF T SH IF T SO LE NO ID N O. 4 OR 5 9 18 O R E NG IN E OV ER SP EE D LI GH T AN D HO RN7 56 W H T R AN SM IS SI ON L OC KU P CL UT CH S OL EN OI D 9 19 G N E NG IN E OV ER SP EE D TE ST S WI TC H761 GY LI FT KI CKOU TSO LEN OI DS W. 929 GN BR AKE R ET RAC TBR EAKER T OR ELAY7 62 Y L B UC KE TP OS IT IO NE RS OL EN OI D SW . 9 30 B R B RA KE RE TR AC TS WI TC HT OR ELA YC OI L

U O QU CONV WI CH 1 GY AU O I NI O G N W. ONI OG N W.7 64 P U S UPP LE ME NTA L ST EE RING CONT RO L S W. / MO T ORG R.) 9 32 G N A UT O F IRE AG E NT S W IT CHTO A G ENT S WI T CH

O A O N OL NOI C A ) U AU O I AG N W. ONI OG N W.7 66 G N T RANS MI S SI O NDI S CO NNE CT S O LE NOI D767 WH ANTISPIN PICKUP POWER7 68 O R A NTI S PI NP ICK UP T RANS MI S SI O N769 BU WHEEL SPEED PICKUP-LEFT

G N W H L I CK U - I GH771 PU ANTISPIN SERVICE BRAKE SW.772 BR ANTISPIN RETARDER SW.7 73 G Y A NT IS PI N SE RV OV AL VE7 74 Y L A NTI S PI NS OL ENO ID- LE FT

A N I I N O L NO I - I GH7 76 Y L B RAK E REL EA SE RE LA Y CONT RO L777 PU BRAKE RELEASE MOTOR778 BR DIRECTDRIVELOWRANGESOLENOID779 WH COUPLERENGAGESOLENOID

U C O U L I N GA G O L N OI781 PK AUGER MASTER SW. TO AUGER SW.782 GY 4TH VALVE SW.TO4TH VALVE SOLENOID7 83 O R D OW NS HI FT I NH IB IT7 84 Y L L OC KU P CL UT CH I NH IB IT

K NG IN CO N O L . W . O O W .786 GN ENGINESPEEDCONTROL-HIPRESSURESWITCH787 WH AUGERSWITCHTOAEMRESISTOR7 88 Y L E NG IN E S PE ED (+ )7 89 P K CO NT ROL L EV E RLO CK

U N GI N C ON O L- I U O L N OI

C14612X1

A- COMPONENTSINOPERATOR COMPARTMENT

B- COMPONENTSINOPERATOR COMPARTMENT-RELAY PANEL

Ident. Schemat ic Components Location Ident. Schematic Components Locat ion

1 Alarm - Backup B-9 15 Solenoid -Front - Drive C-2

A Alarm- Fault C-3 16 Solenoid-Start Aid F-2

2 Alternator C-1 17 Solenoid - Transmission Neutralizer C-2

3 Batteries F-5 A Speedometer D-4

B Breaker - Alternator C-8 B Switch - Head/Front Lamp D-7

B Breaker - Running Lamp C-8 18 Switch - Backup Alarm D-3

A Flasher C-9 B Switch-Beacon D-7

B Fuse Block C-8 A Switc h- Blower and Air Conditioner E-3

B Gauge -Converter Temperature D-8 19 Switch -Bucket Positioner A-1

B Gauge -Coolant Temperature D-8 20 Switch -Coolant Temperature C-2

B Gauge - Fuel D-9 21 Switch - Coolant Temperature (Start Aid) C-1

B Gauge - Tachometer D-9 A Switch - Dimmer E-4

4 Horn - Forward D-1 22 Switch - Engine Oil Pressure D-1

B Meter - Service D-8 A Switch - Forward Horn C-4

B Meter - Volt D-8 B Switch - Front Drive C-6

A Motor- Blower D-3 B Switch- FrontWiper C-6

A Motor- Fan E-7 B Switch-Hazard D-7

A Motor- FrontWiper D-3 B Switch-Key Start D-8

A Motor- RearWiper E-9 A Switch- LampTest C-4

5 Motor - Starter E-2 23 Switch - Neutral/Start C-2

6 M ot or - W in ds hi el d W as he r F -4 2 4 S wi tc h - P ar ki ng B ra ke B -7

B Relay - Main C-7 25 Switch - Parking Brake Neutral C-2

B Relay - Start C-7 B Switch - Rear Flood Lamp D-7

7 Resistor -Alternator Field D-7 B Switch - Rear Wiper C-6

A Resistor- BlowerMotorSpeed D-3 26 Switch-Refrigerant F-1

8 Sender - Converter C-2 B Switch - Running Lamp D-6

9 Sender - Coolant Temperature C-1 B Switch - Start Aid D-7

10 Sender - Fuel A-6 A Switch - Thermostat C-3

11 Sender - Speedometer C-2 A Switch - Turn Signal E-4

12 Solenoid -Air Conditioner Clutch D-1 A Switch -Wiper Disconnect E-8

13 Solenoid -Bucket Positioner A-4 27 Switches -Brake {Stop Light) D-4

14 Solenoid - Engine Shutdown D-2 A Switc hes - Transmis sion Neutraliz er D-6, D-4

Switch SpecificationsPart No. Function Actuate Deactuate Normal C ondition

8N1693 EngineCoolantTemp.(StartA id)37.82.8C

(1005F)

26.7CMIN

(80FMIN)N.C.

6T1546EngineOilPressure (EMS)

FuelPressure (EMS)

93 21 kPa

(13.53.0psi)

69 21 kPa

(10.03.0psi)N.O.

6T2665 EngineCoolantTemperature107.22.8C

(2255F)

93C min.

(196F)N.O.

6T4949EngineOilPressure (EMS)

EngineOilPressure (S.Meter)

93 21 kPa

(13.53.0psi)

69 21 kPa

(10.03.0psi)N.O.

N . O. =N O R MA L LY O P EN N . C. =N O R MA L LY C L OS E D

C o nn e cto rs I d en t . H a rn e ss A n d/ O r Co mpo n en tsSchematic

Location

A- 9R0896

K-9R0893

E-9R0889

H-9R0892

E-9R0889

L-9R0890

E-9R0889

H-9R0892

B-9R2148

E-9R0889

B-9R2148

GG-9R2149

D-9R0802

E-9R0889

E-9R0889

G-9R0887

D-9R0802

E-9R0889

GG-9R2149

Head/Position Turn Lamp

GG-9R2149

MM-9R2537

A- 9R0896

FrontWiper Motor

A- 9R0896

RearWiper Motor

B-9R2148

NN - *

*Forthe428and438use9R2384.

Forthe416,426and436use9R5214.

E-9

A-9,F-9

C-4

A-2,F-3

E-4

D-3

A-8

E-2

B-4

A-7

B-8

B-7

E-3

B-7

7 CONTACTS

6 CONTACTS

5 CONTACTS

4 CONTACTS

10 CONTACTS

9 CONTACTS

8 CONTACTS

A

1 2

3

4

5

67

8

9

10

11

1213

14

10

14

3

8

5

6

4

9

10

11

12

14

15

13

16

1

2

17

18

1920

21

22

23

24

25

26

27

7

A

1 2

3

4

5

6

7

8

9

10

11

1213

14

3

4

5

6

8

9

1011

12

14

15

13

16

B

1

217

18

19

2 0 2 1

22

23

2425

26

27

7

B

C10282X3

1

2

3

4

5

6

7

8

9

10

11

12

13

14

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