• 2013-2014 Sierra 3500 TBCM, part 20850923. Shows the black module housing and electrical connectors for a plug-and-play trailer brake fix.
  • Pre-programmed 2013-2014 Silverado 2500 Trailer Brake Control Module, part number 20964299.
  • VIN-Programmed 20964299 Trailer Brake Control Module for 2013-2014 Silverado and Sierra trucks.
  • Pre-programmed Trailer Brake Control Module for 2013-2014 Silverado and Sierra 2500/3500, showing connectors.
  • 2013-2014 Sierra Silverado Trailer Brake Control Module 20964299, side view showing connectors.
  • Pre-programmed 2013-2014 Silverado Sierra trailer brake control module, part number 20850923, ready for installation.
  • Pre-programmed 2013-2014 Silverado 3500 Trailer Brake Control Module, part number 20964299, ready for installation.
  • 2013-2014 Silverado 2500 Trailer Brake Control Module, part number 20850923, ready for installation.
  • Programmed trailer brake control module 20964299 for 2013-2014 GM Sierra and Silverado trucks, showing the main electrical connector.
  • 2013-2014 GM Trailer Brake Control Module 20964299, located on the driver side frame rail.
  • Programmed trailer brake control module 20964299 for a 2013-2014 Silverado or Sierra 2500, showing the main electrical connector.
  • Pre-programmed 2013-2014 Sierra Silverado Trailer Brake Control Module mounted on a clean white background.
  • Programmed 20850923 trailer brake control module for 2013-2014 GM Sierra and Silverado trucks.
  • Pre-programmed 2013 Suburban 2500 Trailer Brake Control Module mounted on a clean white background.
  • 2013-2014 Silverado Sierra Trailer Brake Control Module, part number 20850923, ready for installation on the frame.
  • 2013-2014 Sierra and Silverado Trailer Brake Control Module 20850923, pre-programmed and ready for installation.
  • Pre-programmed 2013-2014 Silverado 3500 trailer brake control module, part number 20850923, ready for installation.

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