Operation CHARM
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Chevy Truck
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1997
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S10/T10 Blazer 4WD V6-4.3L VIN W
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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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Washer Pump Test
Washer Pump Test
Wiring Diagram:
1.
If motor does not run or pump solvent replace washer pump.
2.
If motor runs and pumps solvent, problem is in circuit board, motor park switch, or
wiper switch
. Refer to Wiper/Washer Switch Tests.