I suspect the switch on the driver s side rear door.
Mercury grand marquis door panel removal.
Remove plastic out of the way.
Remove the lock and window controls.
Lift door panel off.
2004 mercury grand marquis the interior lights are staying on and the auto door locks do not engage when putting the car in gear.
Superbob take a look on the forward edge of the trim panel near where the wires come from the dash there should be a fourth screw in this area.
Once that screw comes out the panel lifts up as the inside of the trim panel has plastic hooks that point downward and insert into the sheet metal of the door.
You may have to solder off old wiring.
Then take large flat tip screwdriver and gently pry directly next to plastic studs holding panel on to door.
Click show more below for the tools used to make this video here we show you how to remove the grand marquis and crown vic rear passenger door door panel.
Remove all screws to door panel.
Ford crown victoria mercury grand marquis.
Pry off the bezel with a flat blade screwdriver.
How to remove door panel driver side front on a 06 grand marquis.
You will now have access to window motor.
You may have to solder off old wiring.
Remove all screws to door panel.
Seen only 3 screws removed them also i poped out answered by a verified mercury mechanic.
Lift door panel off.
How to replace inside door handle 98 02 mercury grand marquis.
Remove the phillips head screws from the window switch harness.
Door panel removal.
Pry off the two trim covers on the pull handle.
Remove plastic out of the way.
Removing the interior panel and door from the vehicle.
Remove the lock and window controls.
Pry out on the switch with a flat blade screwdriver.