C 2500 3/4 Ton Pickup 2WD L6-292 4.8L VIN T 1-bbl (1982)
![background image](/gmc/c_2500_3/4_ton_pickup_2wd/l6-292_4.8l_vin_t_1-bbl/Page-863006.png)
Fig. 11
Rear Wheel Anti-Lock (RWAL) Brake System Code 4 diagnosis. Grounded anti-lock valve switch
Fig. 11
Rear Wheel Anti-Lock (RWAL) Brake System Code 4 diagnosis. Grounded anti-lock valve switch