"Standard" Wire colors to the controller (Tekonsha and others):
- Black, Battery Positive to controller
- White, Negative Ground for Controller
- Blue, Brake feed from controller to Trailer plug at back of truck
- Red, tap into truck Brake light switch signal to tell controller to apply brakes
Remember, the above colors are just a GUIDE. your colors may be different, read the instructions!
On this Jeep Factory supplied harness, the wire colors were:
Black-Ground
Green- brake wire to back of truck
White - Stop light switch
Brown with red stripe, Battery 12V +
