427 ANTI-LOCK BRAKES (ABS) _ ' BRONCO 4WABS Control Module PIN # CIRCUIT CIRCUIT FUNCTION PIN # CIRCUIT CIRCUIT FUNCTION 1 530 (LG/Y) Ground 27 510 (T/R) Hear Dump Valve 14 53 (LG/Y) Ground 23 960 (BK/LB) Chassis Rolls Databus 15 498 (PK) RH Front Dump Valve 29 539 (PK/LB) Pump Motor Relay Coil () 16 606 (W/LB) Diagnostic Trigger Circuit 30 886 (O/BK) GSwltch #2 17 532 (ON) Valve Reference 31 887 (Y) GSwitch #1 18 603 (DG) 4WABS Failure Warning Lamp 32 836 (O/W) GSwitch Status 19 599 (PK/LG) 4WABS Relay Coil H 33 499 (GY/BK) Rear lso Valve 20 601 (LB/PK) ignition Feed 34 497 (W) HH Front lso Valve 21 519 (LG/BK) Rear Sensor (Low) 35 51 1 (LG) Brake ON/OFF Switch 22 523 (R/PK) Rear Sensor (High) 36 514 (WP!) RH Front Sensor (High) 23 516 (Y/BK) RH Front Sensor (Low) 37 604 (OIR) Motor Speed Sensor High 24 521 (T /O) LH Front Sensor (High) 38 462 (P) Motor Speed Sensor Low 25 522 (T /BK) LH Front Sensor (Low) 39 491 (O/LB) Vehicle Speed Output 26 496 (O) LH Front Dump Valve 40 495 (l') LH Front lso Valve CONNECTOR REFERENCE LIST CONNECTOR CELL C223 34 C250 60 0251 60 C252 60 C267 34 0269 149