Warning Light Circuit

1. If anti-lock warning light does not come on with ignition switch turned on, check the following items:
a. Blown anti-lock warning bulb.
b. Open circuit in YEL lead between No. 13 fuse and combination meter.
c. Open circuit in BLU/RED lead between combination meter and control unit.
d. Bad ground connection of control unit to body.
2. If no problems are found, install a known-good control unit and recheck above items.
3. If the anti-lock warning light remains on and no trouble codes exist, check the following:
a. Loose or poor connection of wire harness at control unit.
b. Blown ABS fuse.
c. Open circuit in WHT lead between ABS fuse and control unit.
d. Open circuit in BLK/YEL lead between R/C mirror fuse and control unit.
e. Short circuit in BLU/RED lead between gauge assembly and control unit.
f. Open circuit in WHT/BLU lead between alternator and control unit.
4. If no problems are found, install a known-good control unit and recheck warning light operation.