To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.
Error submitting comment. Please try again momentarily.
Wiring a trailer often means tapping into factory wires, but this harness avoids that. The Curt T-Connector plugs inline with the tail light connectors to create a 4-flat trailer plug. There’s no splicing or wire tracing, so setup is clean and simple.
Factory tail light circuits aren’t built to handle trailer load, and that’s where the powered converter comes in. It uses a dedicated hot lead that runs to the vehicle battery so the trailer lights pull power directly from the source, not through the tail light wiring. This keeps your vehicle circuits protected while ensuring full brightness for running, brake, and turn signals.
The integrated 4-pole flat connector gives you the standard lighting functions—running lights, turn signals, and brake lights. It’s the universal plug used on most small and mid-size trailers, so you can hook up right away without adapters.
Once installed, the trailer connector is stored outside the vehicle. You can loop it to the safety chain openings with its dust cap or mount it permanently using a bracket setup for a tidy, fixed connection point. Either way, it stays protected and ready when it’s time to tow.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Do you have a question about this Custom Fit Vehicle Wiring?
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.













Mike L.
10/16/2026
I'm sorry to hear that, what specifically gave you trouble?