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GMC Truck
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2002
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S15/T15 Sonoma P/U 2WD V6-4.3L VIN W
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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 voltage input of the IPC. When the engine is ON, the gage should be between
10 and 16 volts
.