• Close-up photo of 2008-2009 Chevrolet Silverado 1500 trailer brake control module 20850923, VIN-programmed to resolve DTC C1112 and stabilize towing brakes with visible connectors and frame mount.
  • 2008-2009 Sierra 1500 trailer brake control module, part number 25907533, showing connectors.
  • Pre-programmed 2008-2009 Sierra 1500 Trailer Brake Control Module, part number 25854535, ready for installation.
  • Pre-programmed GM trailer brake control module 25788981 for 2007-2009 Chevy Silverado and GMC Sierra trucks.
  • Programmed GM Trailer Brake Control Module 20850923 for 2007-2009 Silverado and Sierra, showing the main electrical connector.
  • Programmed GM Trailer Brake Control Module 25907533 for 2007-2009 Silverado and Sierra trucks, showing the main connector port.
  • Programmed GM Trailer Brake Control Module 25854535 for 2007-2009 Silverado and Sierra trucks, showing connectors.
  • 2007-2009 GM 25788981 Trailer Brake Control Module with wiring harness connector visible.
  • VIN-Programmed 20850923 Trailer Brake Control Module for 2007-2009 GM Sierra and Silverado trucks, showing the main electrical connector.
  • Pre-programmed 25907533 Trailer Brake Control Module for 2007-2009 GM Sierra and Silverado trucks, showing connectors.
  • Pre-programmed 2007-2009 Sierra Silverado Trailer Brake Control Module, part number 25854535, ready for installation.
  • Programmed trailer brake control module 25788981 for 2007-2009 Silverado and Sierra, showing the electrical connector.
  • Pre-programmed 2007-2009 Sierra Silverado Trailer Brake Control Module, part number 20850923, ready for installation.
  • Programmed 2007-2009 Sierra Silverado Trailer Brake Control Module, part number 25907533, ready for installation.
  • Pre-programmed 2007-2009 Sierra Silverado Trailer Brake Control Module, part number 25854535, mounted on frame.
  • Pre-programmed Trailer Brake Control Module for 2007-2009 Silverado and Sierra 2500/3500, part number 25788981.
  • Pre-programmed Trailer Brake Control Module for 2007-2009 Silverado and Sierra 2500/3500, part number 20850923.
  • Pre-programmed 2008-2009 Silverado 1500 Trailer Brake Control Module, part number 25907533, ready for installation.
  • Pre-programmed 2008-2009 Silverado 1500 trailer brake control module, part number 25854535, ready for installation.

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