C 20 3/4 Ton Pickup 2WD L6-250 4.1L VIN D 2-bbl (1982)
Fig. 10
Rear Wheel Anti-Lock (RWAL) Brake System Code 3 diagnosis. Open dump valve or ECU malfunction
Fig. 10
Rear Wheel Anti-Lock (RWAL) Brake System Code 3 diagnosis. Open dump valve or ECU malfunction