Suburban 3/4 Ton 4WD V8-350 5.7L (1985)
![background image](/gmc/suburban_3/4_ton_4wd/v8-350_5.7l/Page-1188009.png)
Fig. 14
Rear Wheel Anti-Lock (RWAL) Brake System Code 7 diagnosis. Shorted isolation valve or faulty ECU
Fig. 14
Rear Wheel Anti-Lock (RWAL) Brake System Code 7 diagnosis. Shorted isolation valve or faulty ECU