Ramcharger 4WD V8-318 5.2L VIN R 4-bbl (1982)
Fig. 7 Speed control wiring diagram. 1985 rear wheel drive Ram Van & Wagons
1980-82 Rear Wheel Drive Models
1. Without removing either connector at the servo, connect one test lead from a suitable test lamp to the black wire with tracer, then connect the
second lead to ground.
2. Block front wheels, then raise and support rear of vehicle.
3. Place transmission selector lever or gear shift lever in driving range, then accelerate to approximately 35 mph with slide switch in "On" position.
Speed control system will not engage below 30 mph.