Brake Controller Recommendation and Installation Harness for a 2004 GMC Sierra


is this truck prewired for brake controller like my 2011 chev silverado was ?


Expert Reply:

Yes, your 2004 GMC Sierra is prewired for a brake controller. To install a Tekonsha brake controller in your 2004 GMC Sierra all you would need is the correct install harness, part # 3015-P. This will plug into the port under the dash of your vehicle.

For a brake controller I would recommend the Prodigy P2 Brake Controller part # 90885. This is our best selling brake controller because of how well it works and how easy it is to setup. This is a proportional brake controller that senses the amount of braking the tow vehicle is applying and applies a proportionate amount to the trailer brakes.

Check out the install video and help link I attached as well.

expert reply by:
Jameson C

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