Operation CHARM
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GMC Truck
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1993
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Safari Van AWD V6-262 4.3L VIN Z
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Repair and Diagnosis
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Body and Frame
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Power Locks
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Testing and Inspection
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Component Tests and General Diagnostics
Component Tests and General Diagnostics
1.
Check to see that the PWR ACC circuit breaker is not open. If open, locate and repair source of overload.
2.
If no overload is found, replace circuit breaker and proceed with diagnostics.