Journey Trailer Brake Controller Wiring Diagram. Complete with a color coded trailer wiring diagram of each plug type, this guide walks through each available solution, including custom wiring, splice-in wiring and replacement wiring. A brake controller has only one output wire.
The Redarc wiring diagram and the factory harness diagram are fairly easy to interpret. Hi everyone, I just got a Tekonsha Voyager trailer brake controller. I am replacing my brake controller with a new Prodigy but I have long lost the wiring diagram that shows what wire does what coming out from under the dash Ford says: White ground Dark Blue Trailer electric brake feed from brake controller (output) Light Green Vehicle stop lamp switch to brake controller.
I need to add a trailer brake controller and will go aftermarket (BigTex).
Studying the wiring diagrams, the extra wire on the OEM one is labeled "green: headlamp switch to vehicle tail lamps".
I don't have a wiring diagram on me, so I don't know which. The Redarc wiring diagram and the factory harness diagram are fairly easy to interpret. This brake controller wiring diagram shows which wire goes where.