2010 GMC Yukon Denali Electric Brake Controller Wiring Installation
Updated 04/03/2024 | Published 04/08/2017
Question:
Have been reading your forum on Brake Controller installation. 2010 GMC Yukon Denali Electric Brake Controller Wiring I located the vehicle wiring under the dash, but it does not follow any of the color codes Ive seen on here. On my vehicle, I have the following four wires: DK BLU - AUX RED/BLACK - BATT LT BLUE/WHT - CHMSL WHITE - GND Everything Ive read says there is usually an additional Orange wire labeled CHMSL, and is not typically used. My vehicle only has the four wires and the Lt Blue/Wht is the CHMSL. Would this wire be used in this case? See attached photo Can you provide some guidance on the wiring color coding and which of your controllers you would be recommended for this application? Thanks
asked by: Fred B
Expert Reply:
For your 2010 GMC Yukon Denali Electric Brake Controller Wiring, you will connect the DK BLU wire to your brake controller blue wire that is the electric brake controller output. You will connect the RED/BLACK wire to the black 12V power wire. You will connect the LT BLUE/WHT wire to the red stoplight switch wire on your controller. You will connect the two white wires for ground. I've attached a few articles to help further if needed. I've attached a video to assist.
If you don't already have a brake controller, I recommend the Tekonsha Prodigy P3 # 90195. This is a proportional brake controller that will apply pressure to your trailer brakes in proportion to your vehicle braking regarding time and intensity. It has and easy to read LCD screen that takes the guess work and code deciphering out of the equation so you will have real time information. It has 3 levels of boost and is customizable for your driving preferences.
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Tim R.
3/20/2024
Jason, I have the Prodigy controller and have wired it as per instructions but have no voltage to power the unit from the RED/BLK wire. I have the Haynes Manual and can not find any RED/BLK wires listed. Can you tell me what fuse provides the 12V to that RD/BLK wire ?