Trailer Brake Controller Wiring Color Code

As drivers slow down behind a vehicle that is pulling a trailer they will often instinctively focus on the bright brake lights as a reference point for where to stop and how quickly the vehicle in front is stopping.

Trailer brake controller wiring color code.

Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. Installing a brake controller involves disconnecting the vehicle battery mounting the brake controller onto dash and plugging the unit in with a vehicle specific wiring harness. Troubleshooting no power on the blue brake output wire from a brake controller wiring a 7 way trailer connector if existing wire colors dont match troubleshooting the 12 volt power circuit on the 7 way of a 2008 chevy silverado 2500. Easily adjust power output and braking aggressiveness.

Connector style pin function color description. 5 wire trailer wiring diagram. The red wire interfaces with the vehicle brake system by tapping into the cold side of the brake stoplight switch located at the top of the brake pedal. Trailer wiring diagrams trailer wiring connectors.

There can be. The best way to locate the correct circuit to tap into would be to use a circuit tester like part 40376. Never put your trailer on the road with questionable wiring or a lighting system that is already known to be failing. To solve issues for a tow vehicle wiring that is different from my trailer for.

Lights on always. Mounts with included sleeve within a 125 degree range. Many styles of brake controllers are available so find one that works for your vehicle. The traditional wire colors for brake controller installation are white for ground black for 12 volt power red for stoplight switch and blue for brake output.

It then sends a signal out through the trailer wiring coupler to engage the trailer s electric brakes. Brake controller engages trailer s brakes in proportion to deceleration. In this guide we cover step by step how to install a brake controller. Most brake controllers are adjustable.

If your vehicle is not equipped with a plug and play harness you can also splice in wiring for connecting a brake controller. For more information on wiring in a brake controller check out the help article i attached that covers this. An extra pin allows using another extra function. 5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle.

Trailer wire color codes colors coordinate with trailer wiring diagram.