Best 2021 GMC Terrain Custom Fit Vehicle Wiring Harness Options- Video
Hello neighbors, it's Brad here at etrailer and today we're taking a look at the best 4-pole trailer wiring harness for a 2021 GMC Terrain with a factory tow package. Today we have two different styles of 4-pole trailer wiring harness. They're both going to plug in to the factory tow package plug in the rear of the vehicle. And they're very similar and will accomplish the same thing. But taking a closer look, there's a few differences, and I'm here to point those out to you. This is a pretty simple installation for both of them. more
4/16/2024 1:17:43 PM
Tekonsha T-One Vehicle Wiring Harness Installation - 2021 GMC Terrain- Video
Hi there, GMC owners. Today on your 2021 GMC Terrain, we're going to be taking a look at and showing you how to install Tekonsha's four pole flat trailer connector vehicle wiring harness. And this is what our wiring looks like when it's installed. We did mount it into a four pole bracket, which doesn't come included with the wiring, but you can get that here at etrailer. And there's plenty of mounting options.What you do get though, is your four pole flat trailer connector and everything you need to hook it up. Our four pole flat trailer connector here is going to provide us with all the necessary lighting signals that we need for our trailer to keep us DOT compliant in all states. more
12/29/2020 2:22:11 PM
