How do you turn on trailer brake lights?
How do you turn on trailer brake lights? You should have 4 wires coming off the connector to the trailer white should be attached to the trailer frame, brown should split somewhere and run down both sides of the trailer to power running lights and tail lights, yellow should run down the driver side for brake and turn lights and green down the passenger side ... Where are the relays on a Ford F-350? There is a relay for the 12 volt circuit on the 7-Way in your 2008 Ford F-350. There are 2 fuses and 1 relay related to...