Section 06-09: Brake System, Anti-Lock | 1994 Mustang Workshop Manual |
NOTE: On early production vehicles: Circuit 601 may change color from LB\PK to R as it passes through the harness connector. Circuit 603 may change color from DG to Y as it passes through the harness connector.


| Pin Number | Circuit | Circuit Function |
|---|---|---|
| 1 | — | Not Used |
| 2 | 522 (T/BK) | Left Front Anti-Lock Brake Sensor Ground |
| 3 | 514 (Y/R) | Right Front Anti-Lock Brake Sensor |
| 4 | 499 (GY/BK) | Left Rear Anti-Lock Brake Sensor Ground |
| 5 | — | Not Used |
| 6 | 521 (T/O) | Left Front Anti-Lock Brake Sensor |
| 7 | 496 (O) | Left Rear Anti-Lock Brake Sensor |
| 8 | 494 (T/LG) | Right Rear Anti-Lock Brake Sensor Ground |
| 9 | — | Not Used |
| 10 | — | Not Used |
| 11 | 836 (O/W) | Diagnostic K |
| 12 | 492 (BR) | Right Rear Anti-Lock Brake Sensor |
| 13 | 603 (DG) | Anti-Lock Output |
| 14 | 511 (LG) | Brake On/Off Switch Input |
| 15 | — | Not Used |
| 16 | 516 (Y/BK) | Right Front Anti-Lock Brake Sensor Ground |

| Pin Number | Circuit | Circuit Function |
|---|---|---|
| 1 | 603 (DG) | Anti-Lock Indicator Output |
| 2 | 511 (LG) | Brake On/Off (BOO) Switch Input |
| 3 | 836 (O/W) | Diagnostic K |
| 4 | 571 (BK/O) | Not Used |
| 5 | — | Not Used |
| 6 | — | Not Used |
| 7 | 521 (T/O) | Left Front Anti-Lock Brake Sensor |
| 8 | 522 (T/BK) | Left Front Anti-Lock Brake Sensor Ground |
| 9 | 496 (O) | Left Rear Anti-Lock Brake Sensor |
| 10 | 499 (GY/BK) | Left Rear Anti-Lock Brake Sensor Ground |
| 11 | 494 (T/LG) | Right Rear Anti-Lock Brake Sensor Ground |
| 12 | 516 (Y/BK) | Right Front Anti-Lock Brake Sensor Ground |
| 13 | 492 (BR) | Right Rear Anti-Lock Brake Sensor |
| 14 | — | Not Used |
| 15 | 514 (Y/G) | Right Front Anti-Lock Brake Sensor |

| Pin Number | Circuit | Circuit Function |
|---|---|---|
| 1 | 57 (BK) | Ground |
| 2 | 603 (DG) | Anti-Lock Indicator Output |
| 3 | 276 (BR) | "RUN" Power |
| 4 | 601 (LB/PK) | Battery Power |
| 5 | — | Not Used |

| Pin Number | Circuit | Circuit Function |
|---|---|---|
| 1 | — | Not Used |
| 2 | 57 (BK) | Ground |
| 3 | — | Not Used |
| 4 | 603 (DG) | Lamp Indicator |
| 5 | 836 (O/W) | Diagnostic K |
| 6 | — | Not Used |