F 250 Trailer Wiring. I traced it to the t where the trailer plug loom splits and the brown wire with a white tracer has nothing there. The wires that run through the firewall are 'customer access' wires (firewall pass through) and aren't for the brake controller.
Trailer Wiring Diagrams showing you the typical wiring for most single axle trailer and tandem axle trailers. The trailer's lights work fine when it's hooked to the ol' Chevy, but it's acting like it won't ground on the Ford. Whether you need to tow something during the week for work or you want to hook up.
Well it appears as though someone backed into something with it and its jacked up pretty good.
These wiring harnesses are designed to put an extra connector socket in the bed of your pickup truck while still retaining power to the rear connector socket mounted on your bumper.
The trailer's lights work fine when it's hooked to the ol' Chevy, but it's acting like it won't ground on the Ford. Trailer Wiring Connector by Husky Towing®. The reverse on my trailer will not activate.