How do you wire a breakaway switch on a trailer?
How do you wire a breakaway switch on a trailer? Splice one of the two wires coming out of the breakaway switch into the trailer brake wire running from the trailer connector to the brakes. 2. Open the battery box and connect the second wire coming out of the switch to the positive post (red) on the battery. This connection will send power to the breakaway switch. How do you check a trailer breakaway switch? To test an electric breakaway system, you will have to have the trailer hitched to the tow vehicle. You will also want to check the...