Boat Trailer Plug Wiring Diagram

Most of us arent electricians but that doesnt mean wiring a trailer or replacing corroded wiring is beyond us.

Boat trailer plug wiring diagram. 7 Pin Flat The best. 4 pin trailer wiring diagram. 4-Way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes.

Below is the generic schematic of how the wiring goes. Trailer Wiring and Plug configurations. A 4-way plug connects your trailer and tow vehicle and provides the required running lights turn signals ground and brake lights.

If not the arrangement will not function as it ought to be. Use the 7-pin connector anyway see below and just leave out the last 2 wires. In the Trailer Wiring Diagram and Connector Application Chart below use the first 5 pins and ignore the rest.

For a good reference and summary of trailer wiring conventions for 4-position flat 5-position flat and 7-position round trailer-vehicle wiring see my article at. 6 Way System Rectangle Plug. Boat Trailer Wiring Diagram 4 Pintrailer light wiringtrailer wiring harness4 pin trailer wiring trailer plug4 pin trailer connector Boatweb site httpwi.

The standard four prong connector to connect the trailer to the tow vehicle is perfect for a simple trailer light system. A 7-way plug connects your trailer and tow vehicle and provides the required lights turn signals brake power battery hot lead reverse lights and ground. Small 7 Pin Round QLD Identifying.

The 7 pin flat plug will fit into a 12 pin flat socket and work perfectly. A wiring diagram is a straightforward aesthetic depiction of the physical links as well as physical layout of an electric system or circuit. The red and blue wire can be used for brake control or auxiliary.