Operation CHARM
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Chevy Truck
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1998
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Astro Van 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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Circuit Operation
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Compass Display
Compass Display
The
Compass
Display Circuitry is entirely contained within the Compass and Temperature Display Module. The speed signal (ckt 389) DK GRN wire must be present to accurately diagnose the compass and temperature display module.