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If your vehicle already has the factory tow package, this harness makes adding trailer lighting simple. The Curt T-Connector Vehicle Wiring Harness for Factory Tow Package – 4-Pole Flat Trailer Connector (part #C56293) plugs right into the existing ports. There’s no need to cut or splice wires, so you get a clean hookup without guesswork.
Once connected, the 4-pole flat plug gives you lighting functions for running, brake, and turn signals. It’s the basic, reliable setup for most small and medium trailers—ready to plug straight into your trailer’s wiring.
The harness tucks neatly out of sight, blending in with the vehicle’s factory wiring. That hidden, plug-in design keeps everything secure and protected from road grime while maintaining an OEM look.
Curt builds this harness with weather-resistant connectors and durable wiring for consistent signal delivery. Once installed, it stays put and performs as expected mile after mile, giving you dependable trailer lighting whenever you tow.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews

Nick
10/10/2018
Going great!
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Capt V.
5/10/2022
Working great after a year. No issues. Wiring harness was perfect for my vehicle.