Operation CHARM
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GMC Truck
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1986
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G 2500 3/4 Ton Van V8-379 6.2L DSL
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Fuel Delivery and Air Induction
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Fuel Tank Selector Switch
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Testing and Inspection
Fuel Tank Selector Switch: Testing and Inspection
Auxiliary Fuel Tank Selector Diagnostic Chart: