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Wiring up trailer lights can be intimidating if you think you have to cut factory wiring. This Curt T-Connector takes that worry away. It plugs in line with the tail light wiring, so there’s no splicing or wire tracing needed. You just snap the connectors into place and the harness is ready to go.
This harness includes a powered converter that draws power directly from the vehicle battery instead of the tail light circuit. That keeps the load off sensitive electronics and makes sure your trailer lights get consistent current. It’s a clean setup for running lights, turn signals, and brake lights through the 4-flat connector.
Many trailers now use LED lighting that reacts differently to small voltage levels. The powered design of this harness ensures those lights work properly without flicker or dim glow when parked. It provides solid function for basic 4-way lighting no matter what type of bulbs your trailer uses.
The harness includes a hidden-mount 4-flat trailer connector that stays tucked out of sight when not in use. When it’s time to tow, pull it out and plug in your trailer lead—no dangling wires or scratched plugs. It keeps the connection cleaner and makes hookups quick every time.

Customer Satisfaction Score:
76% were satisfied with this product
24% of customers were not satisfied
Ratings & Reviews

Thomas
9/11/2019
Still working great after one year

William F.
12/15/2021
one year later and its still working great!

Nadezda U.
4/7/2021
good
Do you have a question about this Custom Fit Vehicle Wiring?
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Mike L.
9/11/2018
Curt, the manufacturer recommends installing the power feed directly to the positive battery terminal. Drawing the power directly from the battery isolates the tow vehicles sensitive electronics from any short circuits that might occur in the trailer wiring. Connecting the converters power feed anywhere other than the battery or where the converters manufacturer recommends can leave your vehicles electrical system exposed to possible damage.