Recommended Trailer Wiring for 7-Way with Only 5 Wires ...
Utility trailer with brakes. Harness is a 7 pin type, but only 5 wires coming in, Black, green and yellow from light? Then a white and black that goes to the brakes. Plugging into my truck, which works with all other trailers I have, light work, brakes work, but when put on flashers, lights go off. What are the proper terminals for the 5 wires ...
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