To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Easily add a 4-way trailer connector with this custom-fit harness. The T-connector plugs into existing wiring - no cutting needed. Powered converter protects vehicle circuits and ensures consistent trailer lighting for safe towing in any conditions.
The vehicle's wiring harness is often behind a trim panel or under the cargo floor. Some vehicles may require removing interior panels or lifting carpeted sections to reach it, but once accessed, the harness installs easily with quick-splice connectors.
Plugging in a trailer shouldn't mean tearing into your vehicle's wiring. This custom-fit T-connector snaps directly into your factory wiring harness, so you can get your trailer lights up and running without any cutting or splicing. Just plug it in, and you're ready to tow.
A well-lit trailer is a safe trailer. This 4-way wiring harness keeps your trailer's brake lights, turn signals, and running lights powered and in sync with your vehicle. Whether you're hauling a boat to the lake or a camper to the mountains, your lights stay bright and visible.
Some vehicles can't handle the extra electrical load of trailer lights. The built-in powered converter draws power directly from your battery, ensuring a steady, protected current to your trailer while keeping your vehicle's circuits from overloading.
Towing means exposing your wiring to dirt, rain, and road grime. This harness features fully insulated wires and a sealed converter, helping to prevent shorts and corrosion. It's built to withstand the elements so you can tow with confidence in any weather.
No extra trips to the hardware store - this kit comes with everything you need. With fuses, zip ties, and connectors included, you can complete the installation without hunting down extra parts.
California residents: click here
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi everybody, Andy here with etrailer. Let's take a quick look at this CURT T connector vehicle wiring harness with four-pole flat trailer connector. Now, this harness has been designed to fit your 2019 and newer Volkswagen Jetta. And on custom fit parts such as this wiring harness, I do recommend taking advantage of our vehicle fit guide here at etrailer.com. Just input the year, make, and model of your vehicle and our fit guide will confirm if this harness will work for you or if we have something comparable that will work for you. Now, this harness is going to let you add this four-way flat trailer connector to the back of your vehicle and then the T connector plugs are going to plug into your existing wiring on your Jetta.
So what's nice about this harness is no cutting or splicing is needed. So as you know, a well-lit trailer is going to be a safe trailer. This four-way wiring harness is gonna keep your trailer's brake lights, turn signals, and running lights powered and in sync with your vehicle. Whether you're hauling a boat to the lake or a camper to the mountains, your lights are gonna stay bright and visible. Now, plugging in a trailer shouldn't mean tearing into your Jetta's wiring.
So these custom fit T connectors are going to snap directly into your factory's wiring harness. So you're gonna be able to get your trailer lights up and running again without any cutting or splicing. You're just gonna plug these in and you're gonna be ready to go. Now, the vehicle's wiring harness is often behind a trim panel or under the cargo floor. Some vehicles may require removing interior panels or lifting carpeted sections to reach it.
But once accessed, the harness is going to install easily. The instructions will guide you through the installation process. And some vehicles can't handle the extra electrical load of trailer lights. So the built-in powered converter's gonna draw power directly from your battery. That's going to ensure a steady, protected current to your trailer while keeping your vehicle circuits safe from overloading.
So towing means exposing your wiring to dirt, rain, and road grime. But this harness features fully insulated wires and a sealed converter. That's gonna help to prevent shorts and corrosion. It's built to withstand the elements so you're gonna be able to tow with confidence and in any weather. So no extra trips to the hardware store is going to be required because this kit comes with everything that you're going to need with a tube of black silicone here. And then you're going to get cable ties, a fuse, and connectors, everything that you're gonna need to complete this installation. And it is also recommended that you use a small amount of dielectric grease on all of your electrical components, like the plugs on the vehicle end and the four-pole flat connector itself. That grease is designed to help prevent electrical failures caused by corrosion and moisture. So on your screen, I am including our item number for that grease. You can just take that item number and pop it in the search field of our website. That will take you to that grease and you can add that to your order if you so desire. Now, if you happen to have any other questions, whether it's about this harness or anything that we have here at etrailer, don't hesitate to reach out to us 'cause we do wanna make sure that you're getting exactly what you need. Well, again, my name is Andy. Thank you for joining me.
Info for this part was:
At etrailer.com 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.



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.