Replacement Trailer Brake Controller Relay Assembly - Replaces 20904439 - Compatible with Chevy, GMC and Cadillac Vehicles - Escalade, ESV, Silverado 1500, 2500HD, Sierra 3500HD, Yukon, Tahoe

The trailer brake controller allows you to apply brakes onto your trailer at the same time as the truck or the SUV. This feature is available on the popular Silverado, Sierra, Tahoe, Suburban, Ykon, Avalanche and Escalade vehicles and it only works with trailers that are equipped with electronic brakes.

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Replaces Part Numbers

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If you are experiencing annoying chimes on your dashboard with a service trailer brake warning then you may have to replace the trailer brake controller relay on your truck

Installing parts on you vehicle can be difficult and we understand. That's why we have certified technicians on staff to assist you with installation or even properly diagnosing your car. Our technicians will even provide the factory repair manual to make installation easier for you.

All of our door handles undergo strict quality control not just before shipping but throughout the production process. During each step of production multiple quality control checks are performed to insure each and every part lasts for years to come.

AA Ignition is a division of GWA Auto Parts and we are proud to be an American Small Business. Located in sunny South Florida and founded by long time car enthusiasts, AA Ignition takes pride in providing quality products at an exceptional value.

This is a compatible replacement part manufactured by AA Ignition. This trailer brake relay is NOT a genuine OEM part. Vehicle makes and their associated vehicle models and part numbers are used in this listing only to identify the vehicles this trailer brake relay fits.

NOT 2007-2014 Cadillac Escalade2007-2014 Cadillac Escalade ESV2007-2013 Cadillac Escalade EXT2008-2013 Chevrolet Avalanche2008-2013 Chevrolet Silverado 15002007-2014 Chevrolet Silverado 2500 HD2007-2014 Chevrolet Silverado 3500 HD2008-2014 Chevrolet Suburban 15002007-2013 Chevrolet Suburban 25002008-2014 Chevrolet Tahoe2008-2013 GMC Sierra 15002007-2014 GMC Sierra 2500 HD2007-2014 GMC Sierra 3500 HD2008-2014 GMC Yukon2008-2014 GMC Yukon XL 15002007-2013 GMC Yukon XL 250020904439