Depends on the Model. Some do, some don't.
yes
on a 1997 Mercury Grand Marquis kill switch be activated by a rear end collision
According to the 2002 Mercury Grand Marquis Owner Guide : The ON / OFF rocker switch for the rear air suspension is located : ( in the trunk , on the drivers side of the trunk , the Owner Guide shows that there is a label next to the switch )
Not that I know of , just rear wheel drive on a Mercury Grand Marquis from the factory
It's built into the rear windshield.
On a 2001 Mercury Grand Marquis : The fuel tank is mounted vertically behind the rear seat
A 1996 Mercury Grand Marquis COULD BE equipped with the rear air suspension ( if it is then there will be a rocker style shut off switch in the trunk , any time any of the wheels is off the ground you need to shut off the air suspension system ) * I believe the switch and label is on the passenger side of the trunk on the 1996
Rear of engine near firewall.
Disc, front and rear.
The air suspension system in a 2002 Mercury Grand Marquis is primarily located at the rear of the vehicle. It consists of air springs that replace traditional coil springs, along with a compressor and air lines. The compressor is typically mounted in the trunk or near the rear axle, while the air springs are situated within the rear suspension assembly. This system helps to maintain ride height and improve handling, particularly when the vehicle is loaded.
Should be under the air filter box.
The front speakers in a 1997 Mercury Grand Marquis measure 6 inches by 8 inches and they are located in the front door. The rear speakers measure 6 x 9 inches and are located in the rear deck.