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This harness keeps things simple by plugging directly into the vehicle’s factory trailer wiring port. There’s only one connection point, so you don’t have to chase down multiple plugs or tap into taillight wires. Just locate the factory connector near the rear driver’s side and plug it in. It’s ready to go without any wire cutting or splicing.
The harness connects through the existing rubber grommet at the back of the vehicle, making for a clean, protected install. You won’t have to drill new holes or run wires through exposed areas. The design uses what’s already built into the vehicle for a factory-style finish that looks neat and stays out of the way.
Built with an integrated converter module, this 4-way harness combines the stop and turn signals for trailers that use a single light system. The solid-state module helps keep trailer lighting signals consistent and protects the vehicle wiring from shorts or overloads. If your right or left signal ever stops working, it’s easy to test at the module using a standard test light.
The 4-flat connector provides all the essentials—running lights, left and right turn signals, and brake lights—for hooking up small or mid-size trailers. It’s the common plug style found on most light-duty trailers, so once you’ve got it installed, you can hitch up and get on the road with confidence that your lights will work every time.

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