4 Pin Trailer Wiring. Installing 4 pin wiring on a trailer is an easy project that takes a few hours or less. 4 pin trailer wiring diagram following the standard method for wiring a trailer connector is vital to the safety of your vehicle while towing.
Use this 4 pin trailer wiring diagram to properly wire your 4 wire trailer plug. Then for wiring i recommend the tekonsha 22114 which includes everything needed to install a fully functional 7 way connector the kit also includes wiring to install a brake controller which is needed for your trailer like the excellent tekonsha prodigy p2 90885. 4 pin trailer wiring diagram following the standard method for wiring a trailer connector is vital to the safety of your vehicle while towing.
4 wires will give these functions so the simplest scheme is a 4 pin connector.
4 pin flat connector at a minimum all trailers need at least 4 functions. Adapts 4 way flat to both 7 way round and 4 way flat includes integrated test lamps which display proper connections shows if the wiring on your trailer isn t working properly burned. Tail lights brake lights left right signals. 4 wires will give these functions so the simplest scheme is a 4 pin connector.
