Trailer Brake Controller Wiring Colors

The first wire black runs to the vehicle s battery to supply power to the trailer connector.

Trailer brake controller wiring colors.

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. The red wire on the controller will attach to the lead from the brake light switch. There will be four wires each separately labeled on the harness. Connect the brake controller harness to the electronic brake controller using barrel crimp connectors.

This wire is called the 12 volt hot lead the second wire blue runs to the brake controller to supply power to the trailer brakes. Trailer wiring diagram and color chart. 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. Click for more info and reviews of this tekonsha trailer brake controller.

Traditional trailer with brakes use a 5 pin connector. For more information on wiring in a brake controller check out the help article i attached that covers this. 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. So that would go to black the 12 volt power supply wire on the brake controller.

The wires exiting the rear of your controller serve the following functions. 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. Splice the wires from the vehicle to the brake controller harness matching the colors as follows. The colors of the remaining four wires.

Then you have the two wires left the green and the brown. The 5th pin a blue wire gives power to operate or disable the trailer brakes. 1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. If you have never done wiring on a car before you might not want to attempt this install as your first wiring project.

The trailer brake control and additional plug in wiring harness. Connect the ground wire to the white wire on controller will attach to the ground on the harness.