Best Trailer Brake Controller for a 2021 GMC Sierra 1500  

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The best trailer brake controller for a 2021 GMC Sierra 1500 is the Redarc Tow-Pro Elite Brake Controller part # RED63RR. This is a hidden controller so you don't have to worry about banging your knee on the controller when you get in/out like you would for a traditional style brake controller nor do you have to deal with the unsightly appearance of a bulky dash mounted controller. It can also be simply plugged into a port under the dash for a splice free install when using the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers part # 3064-P. It has both proportional and user controlled braking modes which gives you the best performance, smoothest ride, and most control of your brakes.

expert reply by: Conner L

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