DD1 DTC 61 and/or 62

- Turn ignition switch OFF.

Anti-Lock Control Module:

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

Breakout Box:

- Connect EEC-IV Breakout Box 014-00322 with Anti-Lock Test Adapter T90P-50-ALA or equivalent to the anti-lock 55-pin plug anti-lock brake wiring harness.

- Check for continuity between breakout box pins 8 and 60.

- Is continuity present?

NO -- Go to DD3. DD3 Check For Voltage on FLS No. 2 Switch and Circuitry

YES -- Go to DD2. DD2 Check FLS No. 2 Switch