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Wire, Connector Cables + Wiring Harnesses

Trailer Wires, Connector Cables + Wiring Harnesses

Wire, Connector Cables + Wiring Harnesses


When it’s time to hitch up and tow a trailer, you need to ensure it is going to be safe, and one major piece of that safety puzzle is the trailer wiring. Trailer wires have a tendency to become nicked, split, damaged or corroded over time, creating some hazardous inconsistencies in lighting operation. Northern Tool + Equipment offers a selection of harnesses and other trailer wire replacement parts.


It doesn’t matter what type of vehicle you are driving or trailer you are towing, chances are that we’ll have the options to fit your make and model. Whether your towing setup requires a standard 4-pin flat connector or a 7-blade heavy-duty connection option, we’ve got you covered. Browse our wide selection and choose from brackets, wiring harnesses, connector cables to work with your towing setup. You'll find everything from standard hardware to custom-fit options from Hopkins, Ultra-Tow and other brands you know and trust. Trailer wiring know-how will keep you and others, safe on the road.