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gomi_otaku
gomi_otaku, VW Technician
Category: VW
Satisfied Customers: 2646
Experience:  VW FastTrack '00-'01, VW Academy Chicago and Seattle '00-present, VW Certified
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Volkswagen Touareg TDI: hi , i am looking for wiring colour

Resolved Question:

hi , i am looking for wiring colour code for 04 touareg .wvgzzz7lz5d026315. uk car


this to wire up towbar electrics so just the rear light/indicators would do


is it better to pick up the wires at j345 (trailer detection control- if i have it)


thanks


kenny

Submitted: 1 year ago.
Category: VW
Expert:  gomi_otaku replied 1 year ago.

If you try to wire a trailer harness directly into the wiring, it will throw a fault and turn off those lights, as it will see too high of a voltage draw at that circuit and assume it is high resistance (ie, a nearly burned out bulb)

The Touareg has a trailer module available, but it does not come installed stock- it is installed with the trailer hitch, and has to be programmed into the diagnostic control module to be recognized.

I can get you the wiring colors if you're still interested after that- I would just need your VIN

gomi_otaku, VW Technician
Category: VW
Satisfied Customers: 2646
Experience: VW FastTrack '00-'01, VW Academy Chicago and Seattle '00-present, VW Certified
gomi_otaku and 4 other VW Specialists are ready to help you
Expert:  gomi_otaku replied 1 year ago.

In addition- the brake lights are the same as the tail light bulbs- they are just intensified in brightness to show that braking is enabled- so no way to differentiate two different circuits there. It is all done by pulse width modulation (duty cycle) rather than voltage.

 

Customer: replied 1 year ago.

the following day i was at vw dealer to pick up other parts .


they provided the colour codes - not too helpful regards XXXXX XXXXX general but i used a bypass relay and all is now sorted.

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