• Programmed 20791897 Trailer Brake Control Module for 2011-2012 GM Sierra and Silverado trucks, showing the main electrical connector.
  • Pre-programmed 2011-2012 GM Trailer Brake Control Module, part number 20791897, for Silverado and Sierra HD trucks.
  • Programmed 2011-2012 GM Trailer Brake Control Module, part 20791897, for Silverado and Sierra 2500/3500.
  • Programmed trailer brake control module 20791897 for 2011-2012 Silverado and Sierra, showing the main electrical connector.
  • Pre-programmed 2011-2012 GM trailer brake control module, part number 20791897, for Silverado and Sierra trucks.
  • VIN-Programmed Trailer Brake Control Module for 2011-2012 GMC Sierra and Chevy Silverado HD trucks, part number 20791897.

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