Re: 94 Grand Marquis FOBs
The Ford dealer here doesn't charge to program, but I would guess they would make you get an appointment and wait all day for a simple programing.
Most of the Fords... turn ign.switch from off to on, (not start) 8 times within 10 seconds. Locks should cycle, press any button on first remote, locks cycle,press any button on second remote, locks cycle,etc.etc.
If you haven't purchased your fob yet, cycle the switch as if you were to program the fob, if the locks cycle, your vehicle is equipped for it. If they don't cycle, it was not quipped for it. (or something is wrong with the system)