Brake Controller for GMC
Brake controllers with a custom fit wiring harness for your GMC make trailer towing safer and installation easier. We offer high quality controllers in both time-delay and proportional models, from manufacturers such as Tekonsha, Hopkins, Valley, and Draw-Tite. Brake controller wiring adapters are available for most GMC vehicles, allowing for simple plug-and-play installation.
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Trailer Brake Controller Installation - 2004 GMC Envoy
Today we are going to install part number 90185 from Tekonsha. We are installing a Prodigy brake controller on a 2004 GMC Envoy. The first step here on the Envoy is locating the tow package. And the tow package is actually located underneath the dashboard behind this plastic facing here. There are 2 screws, one to the left and one to the right that hold that into place, and we will go ahead and remove those and pull this down. Then we will locate the wires that will be right up over here somewhere. The panel just pulls away, like so, but make sure not to pull it too hard because there is the diagnostic and Aux port over here that we do not want to pull any wires out of.