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Home >> GMC >> 2007 >> Envoy 2WD L6-4.2L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Service Precautions >> Ignition Switch and Powertrain Control Module Connectors Notice

Ignition Switch and Powertrain Control Module Connectors Notice

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Ignition Switch and Powertrain Control Module Connectors Notice

Notice: Turn the ignition OFF when installing or removing the PCM connectors and disconnecting or reconnecting the power to the PCM (battery cable, PCM pigtail, PCM fuse, jumper cables, etc.) in order to prevent internal PCM damage.