• Programmed 12591279 PCM for 2005 GM vehicles like the Chevrolet Montana and Equinox, showing the main connectors.
  • Programmed 12591279 PCM for a 2005 Chevrolet Montana, showing the main connectors and identification label.
  • Front view of the 2005 Montana PCM 12591856 engine computer, showing the main connectors and part number label.
  • Programmed 2005 Chevy Malibu PCM 12591279 Engine Control Module, showing the main connectors and part number label.
  • A genuine used GM engine computer, part number 12591279, ready for installation in a 2005 Chevrolet Malibu.
  • Programmed 2005 Malibu PCM 12591856 showing the main connectors and part number label.
  • VIN-programmed 2005 Equinox PCM with part number 12591279, showing the main connectors.
  • Front view of the 2005 Equinox Engine Computer, part number 12591279, showing the main electrical connectors.
  • Programmed 2005 Chevy Equinox PCM, part number 12591856, ready for installation.
  • Front view of the 2005 Pontiac G6 ECM 12591279 Engine Control Module, showing the main connectors.
  • Programmed 2005 Pontiac G6 PCM Engine Computer Module, side view showing connectors.
  • Programmed 2005 Pontiac G6 ECM, part number 12591856, ready for installation.
  • Programmed 2005 Cadillac CTS PCM Engine Computer Module 12600940, ready for installation.
  • Programmed 2005 Cadillac CTS PCM with part number 12585814, showing the main connectors.
  • Programmed 2005 Cadillac CTS PCM with part number 12585814 visible on the label.
  • Pre-programmed 2005 Buick Allure PCM, part number 19210068, ready for installation.
  • Programmed 2005 Allure LaCrosse Grand Prix 3.8L PCM with connectors visible.
  • Programmed 2005 Buick LaCrosse PCM, part number 19210068, ready for installation.
  • Programmed 2005 Buick LaCrosse PCM, part number 12591278, ready for installation.
  • Programmed 2005 Grand Prix 3.8L PCM, part number 19210068, ready for installation.

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