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Boat Trailer Wiring Diagram. As the name implies they use four wires to carry out the vital lighting functions. Boat Trailer Wiring Diagram.
Expand the same for additional axles. Notice the four prong connector on my boat trailer has 5 wires coming out the bottom. This often happens when a boat trailer is backed into water with the trailer wiring still connected to the vehicle.
See Tow Vehicle Taillight Wiring below.
Can also be used as custom wiring on trailers with 3 lightwire systems. As the name implies they use four wires to carry out the vital lighting functions. The colors for wiring a 7-way connector are as follows with the 4 colors of the 4-way connector remaining the same. Enjoy great priced products with fast shipping.