SimplyRed;50745 wrote: When you buy a brake controller such as the Teknosha Prodigy, you can get a wiring harness w/connector specific for your truck that you can just plug-in. If you have the Trailer pkg, check underneath your dashboard (usually on driver side) for a pre-wired connector that mates up to the wiring harness connector. If you don't have one, you'll need to do a little wiring first.
Tekonsha Prodigy Controller
Wiring Harness for Chevy Silverado, et al