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GMC Truck
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1994
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G 1500 1/2 Ton Van V6-262 4.3L VIN Z
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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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Troubleshooting Hints
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Without Pulse
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Motor Will Not Shut Off
Motor Will Not Shut Off
1.
Defective motor park switch.
2.
Defective
wiper switch
.
3.
Grounded wire between motor and
wiper switch
.