Trailer Wiring Connector Diagrams for 6 & 7 Conductor Plugs
6-Way Connector
This 1-1/4-inch round metal connector provided 2 extra connections (compared
to a standard 4-wire flat plug) that are usually used for backup lights
and electric brakes. NOTE: Actual colors on your connectors
may vary.
7-Way Connector
This 2-inch round metal connector is usually used on larger trailers.
It has 3 extra connections (compared to a standard 4-wire flat plug) that
are usually used to power backup lights, electric brakes, and battery
chargers or auxiliary power. NOTE: Actual colors on your
connectors may vary.
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