F1 Check Power to Control Module

- Disconnect anti-lock brake wiring from anti-lock brake control module.

- Connect Rotunda 60-pin Breakout Box 014-00322 with Anti-Lock Test Adapter T90P-50-ALA to the anti-lock brake wiring harness.

- Set multi-meter to read volts DC.

- Turn ignition switch to RUN.

- Measure voltage between breakout box pins 53 and 60.

- Is voltage reading over 10 volts?

YES -- Go to F4. F4 Check Ground

NO -- Go to F2. F2 Check Anti-Lock Brake Control Module to Ground Wire