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Wiring a trailer doesn’t have to mean digging into factory wiring. This Curt T-Connector plugs right into existing vehicle connectors, creating a 4-flat trailer plug without cutting or splicing any wires. It’s a true plug-and-play setup that gets your trailer lights powered up quickly and reliably.
This harness includes a powered converter that draws power directly from the vehicle battery. That design keeps the trailer lights working properly while protecting sensitive vehicle electronics. The harness also comes with the wire, fuse holder, fuse, and hardware needed to make the battery connection so everything runs smoothly once installed.
The 4-pole flat trailer connector provides running lights, turn signals, and brake lights—everything you need for light-duty towing. It connects easily to most utility trailers, campers, and small boat trailers so you can tow safely and stay visible on the road.
The harness routes cleanly through existing trim panels and grommets for a hidden, factory-style finish. Once installed, only the 4-flat plug is visible when you need it. When not in use, it tucks away neatly out of sight so you keep a stock look with no dangling wires.

Customer Satisfaction Score:
96% were satisfied with this product
4% of customers were not satisfied
Ratings & Reviews

Glenn
7/4/2024
The hitch and wiring are functioning as they should. I haven’t had any issues with it.

Frank
4/20/2024
All is well a year later. I am glad I went with this easy hook up solution.
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Clayton
7/3/2025
it works. hangs a little awkward but I just wrap it around the hitch and call it good