How to Program a 1999 Ford Expedition Keyless Entry Remote FobStep by Step How to Program Instructions:
1. Turn ignition from OFF to RUN 8 times within 10 seconds, with the 8th time ending in RUN. Door locks will cycle to confirm programming mode.
2. Within 20 seconds press any button on first keyless remote. Door locks will cycle to confirm programming.
3. Within 20 seconds, press any button on second keyless remote. Door locks will cycle again to confirm programming.
4. Turn ignition to OFF. Locks will again cycle to indicate end of programming mode.