T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Video Transcript for Tekonsha Custom Fit Vehicle Wiring - Trailer Hitch Wiring - 118594 Review

Today we're going to be taking a look at part number 118594. This is the T-1 vehicle wiring harness with the four pull flat trailer connector. This product is going to fit certain years of the Kia Forte. It's going to provide a four-way flat connector at the back of the vehicle to power your trailer's signal lights. It is compatible with five pull, six pull, and seven pull adapters. Adapters are sold separately.

But it does come with a dust cap, that way you can cover up the connection points when the plug is not being used. The black box on the unit is going to be the included module light. This is going to ensure that the vehicle's wiring matches that of the trailer's. Powered module is going to connect directly to the vehicle battery to avoid overloading the vehicle's electrical system. The overall unit is designed to connect quickly and easily, all you have to do locate the connection points in the trunk of the vehicle. You're going to have two sets of connectors. You're going to have one set that has green wire going to it ...

That's going to go to the passenger side of the vehicle. And then you're going to have one set that has yellow wire going to it and that's going to go to the driver side of the vehicle. Custom fit vehicle wiring harness so the plugs are going to match up perfectly with the plugs on the vehicle. Push them together, they're going to snap-lock together for a nice tight secure fit. So, once you have those plugged in you'll need to make your ground connection. That's going to be your white wire with the ring terminal attached to it.

It does come with a self-tapping screw that way you can get that grounded on a nice clean metal surface. And then you're going to need to mount the converter box. The converter box has a flat back on it, that way you can use the provided double-sided adhesive tape to get it mounted to a nice clean out of the way location. Its also got a mounting tab right here so you could use another screw . With this kit you're only going to get one screw for your ground connection, but you can throw in another one there and get that mounted with a screw, or you can use a zip tie, or a couple zip ties to get it secured. So, a couple different options when it comes to getting this mounted but in the instructions it is going to say to use the double-sided adhesive tape that is provided with the kit. Once you get that done, you can run the hot lead to the vehicle battery.

The hot lead is going to be the red wire coming out of the module light box. It's going to get connected to the bundle of black wire with one of the included butt connectors. The other end of the black wire goes to the vehicle battery, gets another butt connector attached to it, and attaches to one half of the fuse holder. The other half of the fuse holder gets a ring terminal attached to it and that gets connected to the positive post on the vehicle battery. It does come with your ten amp fuse, and its got a fuse cap for the fuse holder to keep it protected. Once your installation is complete, or once you have everything connected, you're going to need to use the remaining zip ties to secure any excess or slack in your wiring. When you're all the way done, the four-way connectors are going to be stowed within the trunk of the vehicle when it's not being used. It does come with detailed instructions. Those are going to walk you through your installation process step-by-step. The maximum ampage for the stop and turn lights, 2.1 amps per circuit, and for the tail lights, 5.6 amps per circuit. It's also recommended that you use a small amount of dielectric grease in all of your electrical connections like the plugs on the vehicle and the four pull connector itself. That's going to help prevent corrosion from settling into those connection points. If you need some of that grease you can find it right here on our website. It is sold separately, but again you can pick it up at etrailer.com. That's going to do it for today's look at part number 118594.