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GMC Truck
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1991
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G 2500 3/4 Ton Van V8-305 5.0L
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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System Diagnosis
System Diagnosis
Auxiliary Cooling Fan Wiring Circuit Diagram:
Auxiliary Cooling Fan System Diagnosis:
Refer to
Figs. 7 and 8,
for diagnosis of auxiliary electric cooling fan.
