Below are the ignition coils currently available from AA Ignition. We are constantly adding more ignition coils to our catalog so check back for new products.

Trailer Brake Controller - Replaces 20904439 - Fits Chevy, GMC & Cadillac

Trailer Brake Controller - Replaces 20904439 - Fits Chevy, GMC & Cadillac Image
  • Replacement Trailer Brake Controlle Relay – 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.
  • Compatible Replacement for Chevrolet, GMC & Cadillac Vehicles – 2008 – 2014 Escalade | 2008 – 2014 Escalade ESV | 2008 – 2013 Escalade EXT | 2008 – 2013 Avalanche | 2008 – 2013 Silverado 1500 | 2007 – 2014 Silverado 3500 HD | 2008 – 2014 Subruban 1500 | 2007 – 2013 Suburban 2500 | 2008 – 2014 Tahoe | 2008 – 2013 Sierra 1500 | 2007 – 2014 Sierra 2500 HD | 2008 – 2014 Yukon | & more.
  • Replaces Part# 20904439 commonly found on the popular Silverad, Sierra, Yukon, Yukon XL1500, 2500, Suburban 1500 and 2500 models with the trailer brake system. 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. It is an easy and cheap fix that will save you hundreds of dollars.
  • OEM Fit, Quality, Finish – While this is not a genuine OEM part, it is a direct replacement for your truck or SUV and will fit, function and work like the factory trailer brake relay. Installation is easy and the part can be accessed by removing the spare tire, it is mounted on top of a bracket with the mounting bolts underneath.
  • Lifetime Warranty – This trailer brake controller relay manufactured by AA Ignition comes complete with a lifetime warranty. If the part ever fails on your SUV or truck simply contact us for a replacement. The trailer brake relay on some models are located behind the driver side of the rear wheel well. Save time and money by purchasing this part and replacing it yourself.

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. 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. It is an easy and cheap fix that will save you hundreds of dollars. Installation is easy and the part can be accessed by removing the spare tire, it is mounted on top of a bracket with the mounting bolts underneath.

Compatible with the following vehicles:

  • 2008-2014 Escalade
  • 2008-2014 Escalade ESV
  • 2008-2013 Escalade EXT
  • 2008-2013 Avalanche
  • 2008-2013 Silverado 1500
  • 2007-2014 Silverado 2500 HD
  • 2007-2014 Silverado 3500 HD
  • 2008-2014 Suburban 1500
  • 2007-2013 Suburban 2500
  • 2008-2014 Tahoe
  • 2008-2013 Sierra 1500
  • 2007-2014 Sierra 2500 HD
  • 2007-2014 Sierra 3500 HD
  • 2008-2014 Yukon
  • 2008-2014 Yukon XL 1500
  • 2007-2013 Yukon XL 2500

Replaces part number: 20904439

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.

Trailer Brake Controller - Replaces 20904439 - Fits Chevy, GMC & Cadillac

Trailer Brake Controller - Replaces 20904439 - Fits Chevy, GMC & Cadillac Image
  • Replacement Trailer Brake Controlle Relay – 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.
  • Compatible Replacement for Chevrolet, GMC & Cadillac Vehicles – 2008 – 2014 Escalade | 2008 – 2014 Escalade ESV | 2008 – 2013 Escalade EXT | 2008 – 2013 Avalanche | 2008 – 2013 Silverado 1500 | 2007 – 2014 Silverado 3500 HD | 2008 – 2014 Subruban 1500 | 2007 – 2013 Suburban 2500 | 2008 – 2014 Tahoe | 2008 – 2013 Sierra 1500 | 2007 – 2014 Sierra 2500 HD | 2008 – 2014 Yukon | & more.
  • Replaces Part# 20904439 commonly found on the popular Silverad, Sierra, Yukon, Yukon XL1500, 2500, Suburban 1500 and 2500 models with the trailer brake system. 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. It is an easy and cheap fix that will save you hundreds of dollars.
  • OEM Fit, Quality, Finish – While this is not a genuine OEM part, it is a direct replacement for your truck or SUV and will fit, function and work like the factory trailer brake relay. Installation is easy and the part can be accessed by removing the spare tire, it is mounted on top of a bracket with the mounting bolts underneath.
  • Lifetime Warranty – This trailer brake controller relay manufactured by AA Ignition comes complete with a lifetime warranty. If the part ever fails on your SUV or truck simply contact us for a replacement. The trailer brake relay on some models are located behind the driver side of the rear wheel well. Save time and money by purchasing this part and replacing it yourself.

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. 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. It is an easy and cheap fix that will save you hundreds of dollars. Installation is easy and the part can be accessed by removing the spare tire, it is mounted on top of a bracket with the mounting bolts underneath.

Compatible with the following vehicles:

  • 2008-2014 Escalade
  • 2008-2014 Escalade ESV
  • 2008-2013 Escalade EXT
  • 2008-2013 Avalanche
  • 2008-2013 Silverado 1500
  • 2007-2014 Silverado 2500 HD
  • 2007-2014 Silverado 3500 HD
  • 2008-2014 Suburban 1500
  • 2007-2013 Suburban 2500
  • 2008-2014 Tahoe
  • 2008-2013 Sierra 1500
  • 2007-2014 Sierra 2500 HD
  • 2007-2014 Sierra 3500 HD
  • 2008-2014 Yukon
  • 2008-2014 Yukon XL 1500
  • 2007-2013 Yukon XL 2500

Replaces part number: 20904439

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.