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.
This T-Connector uses a powered converter that draws power directly from the vehicle’s battery instead of its lighting circuits. That setup keeps the trailer wiring completely isolated from the vehicle’s electrical system, helping protect sensitive electronics from shorts or overloads. It also provides a steady power source for the trailer lights, whether they’re standard bulbs or LEDs.
Wiring for towing doesn’t need to be complicated. This harness plugs into existing factory connectors for a true plug-and-play setup. No cutting or taping into wires—just unplug the tail light connections, insert the harness, and you’re done.
The included 4-flat plug gives you the essential trailer lighting functions: running lights, turn signals, and brake lights. It’s the standard connection used on most small and mid-size trailers, so you’ll be ready to tow as soon as it’s in place.
Even if your vehicle didn’t come with a factory tow package, this harness has you covered. It’s designed to supply its own power through the included battery lead, giving you reliable trailer light operation without relying on factory wiring upgrades.
Customer Satisfaction Score:
90% were satisfied with this product
10% of customers were not satisfied
Ratings & Reviews
Mike L.
10/1/2025
The most common reason why a taillight converter would fail is a short circuit in the trailer's taillight wiring. Before replacing the converter, you'll want to closely examine the taillight circuits on the trailer to locate and repair the short. Look for pinched wires or wires with missing insulation that would allow the copper wire to short out to the trailer frame.
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.
Karen
4/29/2021
great!