7 Pin Round Trailer Wiring Diagram With Breakaway. Trailer wiring diagrams trailer wiring connectors various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. Purple for backup lights.
7 pole trailer plug wiring. Blue pin for electrical brakes. Trailer wiring diagram 7 way with breakaway the price of a trailer maintenance by knowledgeable can charge up to 90 an hour or so.
White pin to your ground.
Plug size is similar to an australian 10c coin. 7 pin trailer wiring diagram with breakaway. In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. Variety of 7 pin round trailer wiring diagram.