4 Wire Trailer Wiring

Video tutorial on how to wire trailer lights. By reducing a 5 wire to a 4 wire you eliminate the connection for the trailer s brakes. 7 P...

4 Wire Trailer Wiring Harness Diagram

The red and blue wire can be used for brake control or auxiliary. Wiring diagram in. Trailer Wiring Diagram 4 Wire Way Pin For 7 Connecto...