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Trailer Light Wiring Diagram

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White Wire- Ground Wire

Brown Wire- Running lights - Each harness may have one or two of these wires.  For the harness that has two it is considered to be a wishbone style harness so a brown wire runs on each side of the trailer frame.  When only one brown wire is on the harness then it will have to be connected by additional wire on the opposite side of the trailer frame.

Green Wire - Right Hand Lights

Yellow Wire - Left Hand Lights

Blue Wire - Reversing Solenoid Wire- Only found on five pole harnesses since the fifth wire is for the solenoid attachment for disc brakes.

Replacement trailer parts for your boat or utility trailer.  We offer a variety of trailer parts such as axles, springs, hubs, lights, jacks, and more!  Don't forget our custom built galvanized boat trailer axles for an exact fit to your trailer.  

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