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Chevy Truck
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1993
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G 20 Van V8-350 5.7L
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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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Component Tests and General Diagnostics
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Troubleshooting Hints
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Troubleshooting Hints - Main Heater
Troubleshooting Hints - Main Heater
1. Check condition of HTR A/C Fuse. If fuse is blown, locate and repair short or source of overload. Replace fuse.