Operation CHARM
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Volvo
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1988
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780 V6-2849cc 2.8L SOHC B280F
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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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Gauges
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Revolution Counter
Revolution Counter
The revolution counter shows the engine's revolutions. The counter receives its signal from the ICM,
2 pulses/rev
.
The ICM receives information on the engine's revolutions from the RPM sensor mounted on the flywheel.