Operation CHARM
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GMC Truck
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1982
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W Sprint/Caballero V6-229 3.8L
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Repair and Diagnosis
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Cruise Control
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Cruise Control Operates Erratically
Cruise Control Operates Erratically
1.
Vacuum line from source to transducer restricted. Remove restriction.
2.
Check servo unit for full stroke. Replace if necessary.
3.
Transducer inoperative. Replace transducer.