2004 Jeep Grand Cherokee Trailer Brake Controller Install
- 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!
We tapped into the Purple wire with the Tan tracer for the brake light signal (red wire on the controller) You can remove the switch from it's bracket for easier access, just twist it counter clockwise, and it pops off the metal. Remember, the brake light GOES OUT when the plunger is PUSHED IN.
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