Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
GMC
>>
1974
>>
Magnavan
>>
Repair and Diagnosis (Single Page)
>>
Electrical
>>
Body Electrical
>>
Cruise Control
Cruise Control
Expand All (for easy ctrl-f)
Collapse All
Description
Operation
Trouble Shooting
System Inoperative-Will Not Engage
Does Not Cruise At Engagement Speed
System Hunts, Pulses Or Surges
System Does Not Disengage With Brake Or Clutch Pedal
System Accelerates Or Applies Full Throttle When Engaged
System Will Not Adjust Speed Downward
Engages At Speeds Below 40 Mph
Testing
Electrical System
Servo & Vacuum Check
Adjustments
Brake Release Switches
Electric
Vacuum
Servo Unit
Regulator