A7 Check Battery Power to Anti-Lock Brake Control Module
NOTE: Ignition switch must be in RUN position.
- Measure voltage between breakout box pins 2 and 14.
- Is voltage reading over 10 volts?
YES -- Replace anti-lock brake control module. Restore vehicle. Retest system.
NO -- Service circuit 601 (LB/BK) or power distribution box fuse 4 (60 A). Restore vehicle. Retest system.