FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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FD7 - Check For Short to Power In Shiftlock Actuator



- Key "OFF".

- Powertrain Control Module (PCM) disconnected.

- Brake switch disconnected.

- Disconnect shiftlock actuator, cruise control module and Anti-Lock Brake System (ABS) module (if equipped) to isolate brake switch wiring.

- Key "ON", engine "OFF".

- Are stoplights still on?

Yes -- Service short to power in BOO/Stoplamp circuit. Reconnect PCM, brake switch and accessories. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Service short in accessories (i.e., shiftlock actuator, ABS module, etc). Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)