• Front view of the 2011 Cruze ECM 12642100 Engine Control Module with connectors visible.
  • Programmed 2004 S10 PCM Engine Control Module 12586243, front view showing connectors.
  • Front view of the 2011 Sierra 3500 engine computer, part number 12642100, showing the main connectors.
  • A close-up of a programmed 12586243 PCM for a 2004 GM vehicle, showing the main connectors.
  • Programmed 2011 Sierra 2500 ECM 12642100 engine computer module ready for installation.
  • Programmed 2004 Trailblazer EXT PCM, part number 12586243, ready for installation.
  • VIN-Programmed 2011 Sierra Silverado 6.0L ECM 12642100, showing the main connectors and part number label.
  • Front view of the 12586243 Engine Control Module for 2004 GM vehicles, showing the main electrical connectors.
  • Programmed 2011 Sierra 2500 6.0L ECM 12642100 with connectors visible.
  • Front view of the 12586243 PCM engine computer for 2004 GM vehicles, showing the blue and green connector ports.
  • 2011 Silverado 3500 ECM Engine Computer part number 12642100, front view showing the main electrical connectors.
  • Front view of the 2004 Corvette PCM 12586243 Engine Control Module, showing the main connectors.
  • Programmed 2005 Chevy Cobalt PCM with connectors visible, ready for installation.
  • A close-up of the 2011 Silverado 2500 6.0L ECM, part number 12642100, showing the connectors.
  • Programmed 2005 Pontiac Pursuit PCM, part number 12615197, ready for installation.
  • Programmed 2011 GM ECM 12616532 engine computer module with connectors visible, for Chevrolet Silverado and GMC Sierra.
  • Side view of the 12586243 PCM, showing the three main electrical connector ports for 2004 GM vehicles.
  • Front view of a programmed 12616532 Engine Control Module (ECM) for a 2011 Sierra 3500 6.0L, showing the main electrical connectors.
  • Front view of a 2004 GM 12586243 PCM with its three main electrical connectors visible, ready for installation.
  • Engine Control Module (ECM) for a 2011 Sierra 2500, part number 12616532, ready for installation.

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