Most likely not the linkage. Usually the shifter sensor on the brake pedal or a fuse. Turn the key to the first point, no ign. lites, then put the shifter in neutral and start the engine. You may drive to your local garage to have it checked.
Heater core leaking.
A 1992 Mercury Grand Marquis would have come from the factory with a 50 / 50 mix of distilled water and GREEN color antifreeze ( meeting Ford specification ESE-M97B44-A )
Didn't come with one.
They don't come with Kill Switches. You have to add them.
check your fuses
A 1994 Mercury Grand Marquis would have come from the factory with a 50 / 50 mix of distilled water and GREEN color antifreeze ( meeting Ford specification ESE-M97B44-A )
Many things could cause this. Loss of air pressure, air pump not working, etc.
Begin by removing the wiring harness from your 1994 Mercury Grand Marquis power antenna. Remove the power antenna retaining nuts. The power antenna will come off.
it's your headlight switch
I am currently having the same problem with my 1988 mercury grand marquis ls colony park wagon. Your rings are bad in your engine. If you didn't also notice, when you go to step on the gas hard when you take off, you will also emit blue smoke.
yes both the gs model and the ls model come with Airbags Standard on the DriverSide and Passenger.
My best Guess would be the linkagwe has come loose. My best Guess would be the linkage has come loose.