Basic 4 Wire Trailer Diagram. Brown pin for side markers tail lights and running lights. White pin to your ground.
4 way trailer side. As with anything normal maintenance checks will help in keeping away from some big issues. Yellow and green are for left and right turns and braking.
Above we have describes the main types of trailer wiring diagrams.
Note that this type of 4 pin connector is less common that 4 pin flat connector. The break right turn and left turn. Find your basic 4 wire trailer wiring diagrampage3 here for basic 4 wire trailer wiring diagrampage3 and you can print out. In electric technology a basic 4 wire.