Anti-Lock Warning Light Circuit
- Set parking brake. Turn ignition on. If Red BRAKE warning light is off, repair fused ignition feed circuit to warning lights. Perform VERIFICATION TEST VER-1A. If Red BRAKE warning light is on, turn ignition off. Disconnect and inspect CAB 55-pin connector. Repair connector as necessary.
- Turn ignition on. Connect a jumper wire between terminal No. 52 (Violet wire on Cherokee or Violet/White wire on Grand Cherokee and Grand Wagoneer or Light Green/Orange wire on Wrangler) and ground. Check ANTI-LOCK warning light. If ANTI-LOCK warning light is on, replace CAB. Perform VERIFICATION TEST VER-1A.
- If ANTI-LOCK warning light is off, inspect ANTI-LOCK warning light bulb. Replace bulb as necessary. Perform VERIFICATION TEST VER-1A. If bulb is okay, repair open Violet wire (Cherokee) or Violet/White wire (Grand Cherokee and Grand Wagoneer) or Light Green/Orange wire (Wrangler). Perform VERIFICATION TEST VER-1A.