Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
This item does not fit your vehicle
2017 Chrysler 300
These items fit your vehicle
2017 Chrysler 300
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.
Trailer wiring doesn’t have to mean cutting into factory wires. The Curt T-Connector plugs straight into the vehicle’s existing tail light connectors, giving you a ready-to-use 4-flat trailer plug. It’s a hidden, plug-in style harness that keeps the installation neat and simple—no guesswork, no wire tracing, and no need for a factory tow package.
Unreliable trailer lights often come down to poor grounding, but this harness solves that with a dedicated white ground wire. Attach it to clean, bare metal and you’ll get solid performance for running, turn, and brake lights every time. It’s designed to avoid interference from other electrical devices so your trailer lighting stays consistent under load.
Once plugged in, the 4-pole flat connector gives your trailer the essential lighting functions it needs—running lights, left and right turn signals, and brake lights. The connection is secure and weather-tight for dependable towing.
The built-in converter balances the trailer light load without needing a power wire run to the battery. It draws safely from the tail light circuits, protecting the vehicle wiring while delivering steady output to the trailer. It’s a straightforward setup that keeps installation simple and components out of sight.
Customer Satisfaction Score:
96% were satisfied with this product
4% of customers were not satisfied
Ratings & Reviews
John V.
4/22/2014
It still works great and I remember how easy and quick it was to install.
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.
2/28/2018
The Curt C55522 trailer wiring harness you purchased is a fit for the 2000-2002 Toyota Echo and the 2003-2008 Toyota Matrix, as long as your next vehicle is among those models and of those model years, the wiring harness would work fine on the next vehicle.