Trailer Brake Controller Wiring Colors

The 5th pin a blue wire gives power to operate or disable the trailer brakes.

Trailer brake controller wiring colors.

1 4 wire the first 4 pins white brown yellow green just like the 4 pin connector above. 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. Connect the ground wire to the white wire on controller will attach to the ground on the harness. The colors of the remaining four wires.

For more information on wiring in a brake controller check out the help article i attached that covers this. Splice the wires from the vehicle to the brake controller harness matching the colors as follows. The wires exiting the rear of your controller serve the following functions. 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.

The first wire black runs to the vehicle s battery to supply power to the trailer connector. There will be four wires each separately labeled on the harness. The trailer brake control and additional plug in wiring harness. If you have never done wiring on a car before you might not want to attempt this install as your first wiring project.

Then you have the two wires left the green and the brown. And then you have the extra wire here which is labeled illumination feed. Click for more info and reviews of this tekonsha trailer brake controller. 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.

Traditional trailer with brakes use a 5 pin connector. Connect the brake controller harness to the electronic brake controller using barrel crimp connectors. The brake controller comes with a wiring harness that is the kind you have to splice into your vehicle s wiring. So that would go to black the 12 volt power supply wire on the brake controller.

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. Trailer wiring diagram and color chart.