2003 Toyota Tundra Trailer Brake Controller Wiring

Electric brake signal wire.

2003 toyota tundra trailer brake controller wiring. The brake wire you need to tap into with a T tap is right at the brake switch. In the cab attach the black wire to the brake controllers black wire. 2003 Toyota Tundra Trailer Wiring.

The brake controller harness that came with the truck has like 7 wires. Draw in GREEN the HORN CONTROL circuit from the battery to ground. Blue wires for electrical brakes so that the car can operate better.

Reese 80232 Hidden Hitch Angle-Cut Class III Ball Mount - 16 x 75 x 2 6000 lbs. Since the 2016 model year every Tundra equipped with the 57liter V8 engine has also included an integrated trailer brake system as standard equipment. Expert lifetime technical support on all purchases.

Little Green from from truck plug goes to Red on Brake Controller this is from your truck brakes when you step on them. I routed my brake wire the same as the factory wires that are already going under thrb footwell on the drivers side. Big Red from truck plug goes to Blue on Brake Controller - this is output to trailer.

You initially get a code for no ci trolker present and all you have to do is disconnect the battery and reconnect and the brake controller screen is no longer present. Set it and forget it. Using a circuit tester like 40376 find the wire that carries a signal only when the brake pedal is pressed.

For vehicles without a factory brake control plug. What wires go to what on the controller harness the instructions are kind of weird that came with the controller harness for the truck. Black w red tracer from truck goes to Black on Brake Controller - this is power from the truck.