Trailer Wiring Diagram – Lights, Brakes, Routing, Wires ...
Trailer Breakaway Wiring Diagram. Many trailers are required to have a Breakaway System on board. Basically, this is a way of applying the trailer brakes if the trailer comes disconnected from the tow vehicle. In many parts of the USA, trailers over 3000 lbs GVWR need a breakaway kit, so check your local laws.
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