Operation CHARM
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Chevy Truck
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1994
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G 20 Van V8-305 5.0L
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Repair and Diagnosis
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Wiper and Washer Systems
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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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Park
Park
When the wipers are turned OFF, the
Wiper Motor
runs at low speed until the
wiper blades
reach the PARK position. At that time, the Park/Run Relay opens stopping the Wiper Motor immediately. The wiper blades remain in the PARK position.