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Trailer Wire Harness - Park Lamp
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=88&t=91896
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Author:  Homeward_Bound [ Thu Mar 18, 2021 3:59 am ]
Post subject:  Trailer Wire Harness - Park Lamp

Could ayone with the MOPAR 7-pin accessory kit take a look at your color codes on the wires to the 7-pin and possible meter read on your pins? This is specifically for the accessory kit post delivery, not factory installed. Wiring diagrams are different and the accessory kit is not included in any manual I have found.

I had to rewire once already when I installed the ATH rear bumper. But had to do it again recently and even after metering, I'm still not getting voltage on the park lamp circuit. Only place left to look is at the relays in case it got shorted out there.

What I've metered

Top left - White - Park Lamps (running lights)
Left - Yellow - Left Turn
Bottom left - Black - Ground
Top right - Red - Battery
Right - Green - Right Turn
Bottom right - Blue - Brake
Center - White with Green tracer - reverse

Author:  WWDiesel [ Thu Mar 18, 2021 1:56 pm ]
Post subject:  Re: Trailer Wire Harness - Park Lamp

White could be the ground circuit?
This is the standard 7pin wiring diagram for trailers:

Image

Author:  Homeward_Bound [ Thu Mar 18, 2021 3:12 pm ]
Post subject:  Re: Trailer Wire Harness - Park Lamp

WWDiesel wrote:
White could be the ground circuit?
This is the standard 7pin wiring diagram for trailers:

Image


Unfortunately it is not. I traced black, red, and blue back to the engine bay. The ground is black, battery is red, brake is blue.

I've metered them all, but not getting voltage nor continuity on white. Which is pointing me to the relay.

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