Tekonsha Trailer Wiring Harness Installation - 2014 BMW X3 Video

How to Install a Tekonsha Trailer Wiring Harness on a 2014 BMW X3

Shane: Hey guys, Shane here with etrailer.com. Today, I'm going to walk through how to install Tekonsha heavy duty four-pole wiring harness on your 2014 BMW X3. Adding wire into your vehicle is going to allow you to get all your light signals back to a trailer so that you're legal and safe. It's going to give you all your proper lighting functions,… see more >