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Trailer wiring can be a hassle if you have to cut into factory wires. This Curt T-Connector solves that with a true plug-in design. It connects directly to your vehicle’s existing tail light plugs, creating a 4-pole flat trailer connector without any wire splicing or guesswork.
Many vehicles with LED lights or sensitive electronics can’t share power safely with a trailer. The built-in powered converter on this harness takes care of that by drawing power directly from the battery, keeping the trailer lights bright and the vehicle circuits protected from overload.
With its hidden routing design, this harness tucks neatly behind panels and routes through factory grommets, keeping your install clean and protected. No dangling wires or exposed splices—just a seamless connection that looks like it came built-in from the start.
The 4-flat connector gives you all the essentials—running lights, brake lights, and turn signals—so it’s perfect for towing small trailers, utility haulers, or cargo carriers with lights. It’s built for reliability and stays weather-resistant for long-term use.

Customer Satisfaction Score:
90% were satisfied with this product
10% of customers were not satisfied
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Condition: Like New
Notes: May have damaged packaging or minor cosmetic blemishes.
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Kate F.
9/3/2025
Hello Douglas, thank you for sharing your experience. I’m really sorry to hear about the frustration you’ve run into, I know I’d feel the same way in your shoes. Just to clarify, the installation instructions actually come directly from Curt, the manufacturer, so we aren’t able to make changes to them ourselves. I will look into this further.