Installation Instructions Audi TT (from model year 10/1998) · 9 Installation story, Audi TT...

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Installation Instructions Audi TT (from model year 10/1998)


LEDayFlexThe world’s first flexible daytime running light

Extension cables 500 mm long are available as an option for installation between the light modules and the control unit, as are AMP two-way connectors for you to make your own harness.

Tip:You can purchase a complete pre-assembled harness with matching plugs from a specialist retailer for easy connection to the vehicle.

The “LEDayFlex” set is made up of two control units and two pre-wired module chainswith five to eight individual modules each. Each of the five to eight individual modules has a diameter of 30 mm and is connected to the others by a cable 85 ± 5 mm long. This allows the creation of an individual and flexible design.


LEDayFlexRange overview

Daytime running light modules with and without position light.

5 light modules Daytime running light 2PT 010 458-8015 light modules Daytime running light / Position light* 2PT 010 458-8116 light modules Daytime running light 2PT 010 458-8216 light modules Daytime running light / Position light* 2PT 010 458-8317 light modules Daytime running light 2PT 010 458-8417 light modules Daytime running light / Position light* 2PT 010 458-8518 light modules Daytime running light 2PT 010 458-8618 light modules Daytime running light / Position light* 2PT 010 458-871

• When LEDayFlex is used as a position light, the standard series version must be permanently disabled in accordance with ECE-R 48.


LEDayFlexRange overview of accessories (not included in the scope of supply)

Connection cable set inc. two-way connector 8KA 165 959-001Extension cable 2-pole 500 mm 8KB 178 139-001AMP two-way connector (1 set) 8KW 744 807-801AMP two-way connector (10 units) 8JA 746 184-032Plug-type contacts (50 units) 8KW 744 837-002Individual seals (50 units) 9GD 746 185-002


LEDayFlexAdditional material for mounting the LEDayFlex modules

PRACTICAL TIP!Due to the design differences in the front aprons on current vehicles, additional mounting material may in some cases be necessary to fasten the lights in position. With some technical skill you can make suitable holders yourself. Commercially available punched strip, angle brackets or small metal rails (see illustration), for example are always helpful here.

These can then be adapted individually to the respective mounting situation. It is important that the mounting brackets made are well protected against corrosion. Recommendations therefore are that mounting brackets should be made of stainless steel, aluminum or zinc-coated materials.


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2Installation areas:

Before you start please consider exactly how the LEDayFlex modules are to be attached. Where permanent driving light or daytime running lights are installed as standard the electrical connection and application possibility should be checked before installation. When LEDayFlex is used as a position light, the standard position light must be permanently disabled in accordance with ECE-R 48.

ECE-R 48 also specifies the exact position in which the lights may be installed in terms of height and width (see pages 10 and 11). More detailed information can be found in the LEDayFlex mounting instructions or at: www.daytime-running-light.com

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Engine compartment

Interior

Cover area

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Please look to see where in your vehicle the fuse box is located. Normally, the connection you need (terminal code 15) is in the engine compartment. In the case of the Audi TT the fuse box is on the vehicle interior, on the side of the dashboard to the left of the steering wheel.

The cable firstly has to be routed from the engine compartment to the interior. This is possible at the point shown (1). Since the fuse box with terminal 15 is at the side of the dashboard in the Audi TT, the connection cable set is extended with the aid of the blue cable.

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Finally, all you have to do is fasten the brown cable with the eyelet to a suitable earth point.

Rather than using the LEDayFlex connection cable set, you can also prepare the wiring yourself.

You can then connect the cable in the engine compartment with the connection leads of the control units. Connect the blue cable (ignition+, terminal 15) to the black cable. The grey cable has to be connected with the aid of butt joints or incision connectors to the position-light cable (terminal 58) at the central plug of the headlights (PIN 2, grey-red cable), so that the lights are switched off when the parking light or low beam are switched on.



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If the central electrics are on the vehicle interior, (as in the case of this Audi TT), remove the trim under the steering wheel first. Now you can connect the extension cable to terminal 15.


Since the lights are switched on automatically when the ignition is activated, they have to be connected to ignition+ (terminal 15).


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For this, you need a branch connector which is also available as an accessory under the number 8JD 743 557-811 (ATO) and the number 8JD 743 557-801 (Mini) from a specialist retailer.



3The control units can then be connected to the harness. A relay for triggering the light and switching to position light is not necessary.The cables should be fixed using cable straps to suitable locations.Important: Fasten the cables in such a way that they cannot chaffe open.

After the underbody protection has been removed the two control units can each be fixed in place behind the left and right splash panel covers.

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Important: During mounting, the general installation requirements as described in detail in the mounting instructions must be followed. Thus, for example the LED modules must be aligned parallel to the vehicle’s longitudinal axis and the distance between the individual modules must be min. 1 mm and max. 15 mm. In addition, ECE-R 48 specifies the exact position in which the lights may be installed in terms of height and width.



* When used as a position light, the minimum attachment height must be 350 mm ** In the case of vehicles with a width <1,300 mm, the distance has to be at least 400 mm.

When LEDayFlex is used as a position light, the standard position light must be permanently disabled in accordance with ECE-R 48. When using LEDayFlex as a position light, the maximum outer distance must not be greater than 400 mm. This restriction does not apply if the light is used only for the daytime-running-light function.For more information on legal stipulations and attachment regulations please consult the Internet. More detailed information can be found in the LEDayFlex mounting instructions or at www.tagfahrlicht.de.



The individual LED modules now have to be mounted. In relation to this the right-hand and left-hand cover of the front bumper are suitable. Since the lights are part of a universal daytime running light set the covers have to be worked on.Tip:A Dremel, fret saw and file are used for the recess!

In this case a metal plate was used for attaching the individual modules (in relation to this also see page 5 "Accessories"). There are threaded fixings on each individual module, these can be used for the flexible positioning of the module. The LED modules were screwed to the metal bracket, then riveted to the plate and fixed in the cover.Important:The LED modules must be aligned parallel to the vehicle’s longitudinal axis.



Once the LED modules have been mounted, the lights have to be connected to the control units and then the covers have to be re-inserted into the front apron.



Hella wishes you a good trip with your individual LEDayFlex design!

Installation Instructions Audi TT (from model year 10/1998) · 9 Installation story, Audi TT...

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