Operation CHARM
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Pontiac
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2000
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Firebird V6-3.8L VIN K
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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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Gauge Operation
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Tachometer
Tachometer
The
tachometer
signal comes from the Powertrain Control Module
(PCM)
. The tachometer displays the engine speed in thousands of Revolutions Per minute
(RPM)
.