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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Electrical >> Gauges >> Displays And Gages >> Diagnostic Information and Procedures >> Tachometer Inaccurate or Inoperative >> Circuit/System Testing

Circuit/System Testing

Ignition ON, perform the tachometer gage sweep test with the scan tool.

If the tachometer gage does not sweep from its low to high position, replace the IPC.

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