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08 Dodge body builder's wiring

AKnate

Icehole
Joined
Mar 5, 2022
Member Number
4908
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Anyone know where a guy can find the coloring info for the rear wire harness on an 08 Dodg3 5500 C&C?

I can find 13 and newer. That's it.

Hauled a trailer and found the wiring for the 7 pin and the truck's lights is all screwed up.

The wire harness is 20+ wires, some multiples of the same color. After 4+ hours I patched it enough that everything works, but it needs all ripped out and done properly.
Not sure if some wires are supposed to be truck lights and others are for trailer... I'd imagine so.

Also, one of my LED reverse lights switches between white and amber when power is applied and off. Ie reverse and it's white, next reverse and it's amber. That even make sense? :laughing:
 
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I found this but there's only 12 wires given - maybe it helps. There's a little more info under the 2008 directory at the archive but I couldn't find a true harness diagram:
2008 Chassis Cab Upfitter Wiring Interface Instructions

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