2018 F 150 Trailer Plug Wiring Diagram. I want to hard wire in the new White Night backup lights I received today and relocate the factory plug further off to the left for sake. as for your red wire and working with the brakes.seems your connected to the brake circuit wires for power. There are several standards for trailer wires, and if you search, you'll find a different Trailer Wiring Diagram for each.
They can be purchased as a standalone plug for the truck or trailer, or as a complete loop. Very easy plug in that made my radio work the first time. You can save this photograph file to your individual laptop.
The knowledgeable experts at Bargman, CURT.
A colour coded trailer plug wiring guide to help you require your plugs and sockets.
Connections were tight and I know Worked great. It has the seven pin connector. Four wire plugs: White = Ground Yellow = Left turn/Brake Green = Right turn Brake Brown = Tail and clearance lights.