A brake controller acts as a go-between your tow vehicle and your trailer. To learn how to adjust it and everything about it, explore our post now!

The GMC Sierra has an optional electric trailer brake controller integrated into the cabin, allowing the driver to set the relative trailer brake response.

You shouldn't go towing without a quality trailer brake controller. See the best trailer brake controllers you can buy at AutoGuide.com.

Check out the Odyssey Trailer Brake Controller, which is self-leveling, works on one- to four-axle trailers and delivers better trailer-brake performance inside Four Wheeler Magazine.