Remote Keyless Entry (RKE) Transmitter Programming: Cougar

WARNING: This page does not describe the selected car, but rather 29 other vehicles, including the 2000 Mercury Villager, 2000 Mercury Sable, 2000 Mercury Mystique, 2000 Mercury Mountaineer, and 2000 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.

Open driver's window. Turn ignition switch to RUN or ACC position. Access programming connector. Programming connector is behind left trunk trim panel, attached to relay panel. Using jumper wire, momentarily short the 2 terminals of programming connector together. Both doors should lock then unlock to confirm program mode has been entered.
Press any button on keyless entry remote transmitter. Both doors should lock then unlock to confirm that transmitter has been programmed.
Repeat step 2) to program all other transmitter (maximum of 4 transmitters) to be used with this system before exiting programming. To exit programming, turn ignition switch to LOCK position. To confirm programming mode has been exited, both doors should lock then unlock.

NOTE: After first remote transmitter is programmed, all other remote transmitters will be erased from memory. All remote transmitters must be programmed at the same time.