Operation CHARM
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GMC Truck
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1986
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K 3500 Truck 4WD L6-292 4.8L
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Repair and Diagnosis
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Cruise Control
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Cruise Control Switch
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Testing and Inspection
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Set/Coast Switch Test
Set/Coast Switch Test
Fig. 14 Set/Coast switch diagnostic chart. Custom Cruise III:
Refer to
Fig. 14
to check set/coast switch and related wiring.
