4 Wire Boat Trailer Wiring Diagram. This 4 wire boat trailer wiring diagram version is far more suitable for sophisticated trailers and rvs. Brown pin for side markers tail lights and running lights.
Find your 4 wire boat trailer wiring diagram here for 4 wire boat trailer wiring diagram and you can print out. 7 pin trailer plug light wiring diagram color code. The 4 pin trailer uses yellow brown green and white wires.
Find your 4 wire boat trailer wiring diagram here for 4 wire boat trailer wiring diagram and you can print out.
The existing lights had one wire connected and its the brown wire 4 pin 5 wire. It can transfer electricity better hence the connector is recommended for higher level electric in the auto. Here is the diagram for 7 pin connector. The four wires control the turn signals brake lights and taillights or running lights.