Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
This item does not fit your vehicle
2004 Kia Optima
These items fit your vehicle
2004 Kia Optima
To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Wiring for a trailer can be intimidating if you’re not looking to cut into factory wires. The Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector keeps things simple with a plug-in design. It connects directly to existing vehicle plugs, so you can add trailer lighting without splicing or complicated wiring work.
Once connected, the 4-flat trailer connector provides running lights, turn signals, and brake light functions. That means your trailer lights up exactly when it should for safe, legal towing on the road. It’s the standard plug most small and mid-size trailers use, so once it’s installed, you’re ready to hook up and tow.
This harness includes a powered converter that isolates the trailer wiring from your vehicle’s sensitive electronics. That helps prevent overloads or faults in modern electrical systems while still powering your trailer lights properly. It’s a solid solution for vehicles without a factory tow package.
The harness tucks neatly behind panels or trim for a hidden look once installed. It leaves only the 4-flat plug accessible when you need it, keeping wires protected and out of sight when you don’t. It’s a tidy setup that looks like it came straight from the factory.
Customer Satisfaction Score:
76% were satisfied with this product
24% of customers were not satisfied
Ratings & Reviews
Easy to install
Directions were clear making installation easy
Perfect for my Malibu. No problem with installation very simple to install.
Easy to install. Clear instructions. Plenty of wire. Works as advertised.
This is a very easy wiring harness to put in Your car. The only think that is time consuming is running the the 12 volt cable from the battery to the trunk. this cable gets connected to the wiring harness black wire. You will have to run wires to the left and the right of the trunk and after You get the wires ran all You have to do is unplug the tail light wires and insert the new plug into the tail light plug and put it all back together Nothing to the entire thing was hard. It comes with a great book that tells You how it has to be connected. I have bought a few of these t-connector units and its turned out fantastic!
Was supposed to be on a certain date that I paid extra for. Did not come on that day when I called got all the tracking number information and found out exactly where it was. The customer service rep was extremely helpful apologetic and without being asked offered to refund my premium. I did not get exactly what I wanted, which was a certain date delivery, but they did everything to make it right afterwards.
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.
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.