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Trailer Wiring Harness Installation - 2012 GMC Terrain 118264 Video

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How to Install a Trailer Wiring Harness on a 2012 GMC Terrain 118264


Speaker 1: Today on our 2012 GMC Terrain, we're gonna be taking a look at and showing you how to install the Tekonsha T1 vehicle wiring harness for factory tow package with a four pole flat trailer connector, and that's gonna be part number 118264. Our wiring harness is designed to stay on the inside of the car until we're ready to use it. And once we do, we can lift up the compartment… see more >     


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