Chevrolet Truck Cruise Master Wiring Diagram for 71-72 model years, the cruise master is a speed control system which employs engine manifold vacuum to control the throttle. The servo moves the throttle when speed adjustment is necessary by receiving a varying amount of controlled vacuum from the regulator unit.
Table of Contents :

- General Description
- System Operations
- Service Operation
- Engagement Switch
- Electrical System Check
- Servo and Vacuum System Check

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