Operation CHARM
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Ford Truck
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1992
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E 250 Van V8-7.3L DSL
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - HVAC
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Compressor Clutch Relay
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Testing and Inspection
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A10: Check Air Conditioner Controls
A10: Check Air Conditioner Controls
Fig. 61 Compressor clutch diagnosis (Tests A8, A9 & A10):