Use 12-ga. wire for this circuit. If you have electric trailer brakes, there must be an auxiliary battery and a breakaway switch in the circuit to slow the trailer if it comes loose from the hitch.

Trailer brakes add only one wire to those required for the lights ... See All 5 Photos All trailers should also consider a break-away device (again, requirements vary by state).

The zinc-plated assembly features a breakaway safety cable ... Fit the new actuator/coupler on top of the trailer tongue, making sure the assembly does not sit on or pinch the blue wire for the ...

Mitchell 1 has added color air brake diagrams to Tractor ... include the same widely-used features as the Tractor-Trailer.net electrical wiring diagrams. In addition, the line colors were designed ...