Operation CHARM
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GMC Truck
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2001
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C 2500 Truck 2WD V8-6.6L DSL Turbo VIN 1
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Description and Operation
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Instrument Cluster
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Voltmeter
Voltmeter
The IPC displays the system voltage as detected at the ignition 1 input of the IPC. When the engine is ON, the gauge should be between
10
and
16 volts
.