Trailer Brake Controller Wiring Colors

Connect the brake controller harness to the electronic brake controller using barrel crimp connectors.

Trailer brake controller wiring colors.

There will be four wires each separately labeled on the harness. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. The wires exiting the rear of your controller serve the following functions. The first wire black runs to the vehicle s battery to supply power to the trailer connector.

The 5th pin a blue wire gives power to operate or disable the trailer brakes. The red wire on the controller will attach to the lead from the brake light switch. If you have never done wiring on a car before you might not want to attempt this install as your first wiring project. So that would go to black the 12 volt power supply wire on the brake controller.

The colors of the remaining four wires. And then you have the extra wire here which is labeled illumination feed. Blue vehicle wire to blue brake controller wire red 12 volt vehicle wire to black brake controller wire white vehicle wire to white brake controller wire. For more information on wiring in a brake controller check out the help article i attached that covers this.

Traditional trailer with brakes use a 5 pin connector. The brake controller comes with a wiring harness that is the kind you have to splice into your vehicle s wiring. Click for more info and reviews of this tekonsha trailer brake controller. Trailer wiring diagram and color chart.

Splice the wires from the vehicle to the brake controller harness matching the colors as follows. The green is labeled stop lamp so that will go to the stop lamp circuit on your brake controller which in our case will be red. 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 troubleshooting brake controller in 2016 chevy silverado that stopped working. 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.

Then you have the two wires left the green and the brown. The trailer brake control and additional plug in wiring harness.