Operation CHARM
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Isuzu Truck
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1996
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Hombre L4-2.2L CPC
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Instrument Cluster / Carrier
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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Circuit Operation
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Speedometer
Speedometer
The Speedometer receives an A/C output signal from the Powertrain Control Module (
PCM
) through the DK GRN (389) wire and converts this to an analog (needle-type) display of vehicle speed.