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Wiring a trailer doesn’t have to mean cutting into factory wiring. The Curt T-Connector plugs directly into existing vehicle connectors, giving you a clean 4-pole flat trailer output. There’s no need to track down individual wire functions or splice anything—just plug it in and you’re set.
This harness uses a powered converter that draws power directly from the vehicle’s battery instead of the lighting circuits. That design keeps the vehicle’s sensitive electronics safe from overloads and prevents malfunctions that can happen when circuits are tapped directly. It’s built to handle trailer lighting the right way.
The integrated 4-flat plug provides running, turn, and brake light signals to your trailer. It’s the standard connection for most small and mid-size trailers, giving you a consistent signal every time you hook up. The plug and lead setup keeps connections simple and easy to reach.
Because it’s designed for vehicles without a factory tow package, this harness tucks neatly behind panels and uses existing grommets for routing. The result is a hidden, factory-style install that stays out of sight and out of the way once connected.

Customer Satisfaction Score:
85% were satisfied with this product
15% of customers were not satisfied
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Leroy H.
6/12/2017
Great, no problems.