• 2004 Envoy XL PCM Powertrain Control Module 12586243, front view showing connectors.
  • 2004 Envoy XUV PCM Powertrain Control Module 12586243 with its main electrical connectors visible.
  • Front view of a 2004 Corvette ECM Engine Control Module, part number 12586243, showing the main electrical connector ports.
  • Front view of a 2004 Blazer S10 PCM Engine Control Module with part number 12586243, showing the main electrical connector ports.
  • Programmed 2004 Avalanche 2500 ECM PCM Engine Computer 12586243, front view showing connectors.
  • 2004 Silverado 1500 PCM Powertrain Control Module 12586243, front view showing connectors.
  • Front view of a 2004 Silverado 2500 PCM Engine Computer Module with part number 12586243, showing the main electrical connectors.
  • 2004 Silverado 3500 PCM Engine Control Module with connectors visible.
  • Programmed 2004 GMC Sierra 2500 PCM ECM part number 12586243 with connectors visible.
  • 2004 Sierra 3500 ECM Engine Control Module 12586243, front view showing the main electrical connectors.
  • 2004 Buick Rainier PCM Engine Control Module 12586243, front view showing connectors.
  • 2004 GTO PCM Engine Control Module 12586243 with connectors visible.
  • Programmed 2004 Express 3500 PCM 12586243, front view showing connectors.
  • 2004 Express 1500 ECM Engine Control Module 12586243, front view showing connectors.
  • VIN Programmed 2004 Express 2500 PCM 12586243, showing the main connectors and housing.

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