G 20 3/4 Ton Van V8-305 5.0L VIN F 4-bbl (1982)
Fig. 15
Rear Wheel Anti-Lock (RWAL) Brake System Code 8 diagnosis. Shorted dump valve or faulty ECU
Fig. 15
Rear Wheel Anti-Lock (RWAL) Brake System Code 8 diagnosis. Shorted dump valve or faulty ECU