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Home >> GMC >> 1985 >> Jimmy 5.7 L >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Testing >> Preliminary Inspection
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Preliminary Inspection

Check system to ensure there are no bare, broken or disconnected wires or any pinched, damaged or disconnected vacuum hoses. Servo and throttle linkage should operate freely and smoothly. Servo linkage should be properly adjusted. If preliminary inspection does not reveal any problems, further testing is required.