Operation CHARM
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Chevy Truck
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1993
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Blazer Full Size V8-393 6.5L DSL Turbo
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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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Initial Inspection and Diagnostic Overview
Initial Inspection and Diagnostic Overview
PRELIMINARY CHECKS
1.
Check A/C HTR Fuse to see if it is blown, if blown locate and repair source of overload. Replace fuse.
2.
If fuse is not blown, proceed with the following diagnostic procedures.