7 Pin Trailer Wiring Electric Brakes. Building Tiny House on Flatbed Trailer and Need Brake Controller and Wiring for Electric Brakes. This is for the trailer only.
It will have a tag on it with "BRAKE" written on it. How do I go about hooking up the electric brakes controller? Just wire the appropriate wires to the ones described above and then wire the ground to a good ground at the frame.
The brake controller red wire is connected to the brake stoplight switch.
This is for the trailer only.
Depending on the year of your KJ the wire is either a light blue or possibly red. Trailer plug wiring is standardized across all vehicles, no point trying to find vehicle specific info. It will have a tag on it with "BRAKE" written on it.