V 3500 P/U 4WD V8-350 5.7L VIN M 4-bbl (1987)
Cruise Control Servo: Testing and Inspection
Fig. 13 Servo diagnostic chart (Part 1 of 2). Custom Cruise III
Cruise Control Servo: Testing and Inspection
Fig. 13 Servo diagnostic chart (Part 1 of 2). Custom Cruise III