4 Post Trailer Wiring. Can someone please tell me the parts and part numbers that I need to finish this project? Any vehicle towing a trailer requires trailer connector wiring to safely connect the taillights, turn signals, brake lights and other necessary electrical systems.
Post your own photos in our Members Gallery. I've heard to stick with the mopar kit cause it doesn't screw up your wiring like after market ones. Please keep all questions appropriate and related to the product.
The first step in wiring your trailer cables is to ground the white cable first.
I drew this crude diagram to help explain.
Need a longer wiring harness between you car and trailer? Hey guy's I've just spent the last hour or so trying to figure out what to do about the wiring portion of a trailer hitch install. Video tutorial on how to wire trailer lights.