• Front view of the 2004 Avalanche 1500 ECM 12586242 with its three main electrical connectors visible.
  • Programmed 2004 Avalanche 1500 PCM 12586242 Engine Computer Module, showing the main connectors.
  • Programmed 89017734 PCM for a 2005 Chevy Avalanche 1500, showing the main connectors.
  • Programmed 12629009 engine computer for a 2009-2010 Chevrolet Avalanche 1500, showing the main connectors.
  • Programmed Engine Control Module (ECM) for a 2009-2010 Chevrolet Avalanche 1500, part number 12625455.
  • Programmed 2010-2013 Avalanche 1500 ECM 12633238 engine computer module.
  • A programmed 12633055 ECM for GM vehicles, showing the main connectors and part number label.
  • Front view of the 2004 Avalanche 1500 ECM 12586242, showing the main electrical connectors.
  • Programmed 2004 Avalanche 1500 ECM, part number 12586242, ready for installation.
  • Programmed 2004 Chevrolet Avalanche 1500 ECM Engine Computer with service number 12586242.
  • Programmed 12586242 PCM for 2004 Chevrolet Silverado and other GM vehicles, front view.
  • Programmed 2004 Chevy Avalanche 1500 Engine Computer Module PCM 12586242.
  • Programmed 2004 Avalanche 1500 PCM, part number 12586242, ready for installation.
  • Programmed 2004 Avalanche 1500 PCM Engine Computer Module 12586242, showing the main connectors and service label.
  • A programmed 2002 GM Truck BCM with connectors visible, ready for installation in a Silverado or Sierra.
  • Programmed Body Control Module for a 2002 Chevy Avalanche 1500, showing the main circuit board and connectors.
  • Programmed 2002 Avalanche 1500 BCM, part number 19208537, ready for installation.
  • Programmed 2002 Chevy Avalanche 1500 Body Control Module (BCM) with connectors visible.
  • Programmed 2002 Chevy Avalanche 1500 BCM, part number 15081796.
  • Programmed Body Control Module (BCM) for 2002 Chevy Avalanche 1500, showing the main unit and connection ports.

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