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2020 2500 wiring diagram

Codyburkee

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Forgive me if this question has been asked and answered. Couldn’t find exactly what I was looking for when searching the forum and google. I found 3 wires directly above the spare tire that I believe may be for a 3rd brake light on a topper and a power wire to the back of the truck. I wanted to see if someone could tell me what they are or if you could point me in the direction of a wiring schematic.

They look like red with white tracer, white with tan tracer and a larger pink with red tracer. Truck is a 2020 2500 crew cab long bed. I’m looking to add the third brake light and add some bed lighting if there is power there. Thanks in advance!
 

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vincentw56

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You might have better luck on the HD forums. This is the 5th Gen 1500s.

2020 Bighorn Night Edition, 5.7 Hemi w/eTorque
 

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