check your fuses
Why ? Just replace it.
There should be a roll switch right next to your light switch on your dash to dim the lights with.
On a 1997 Mercury Grand marquis : The fuel pump inertia switch ( shut off switch ) is in the trunk , behind the trunk liner on the drivers side of the trunk , near the drivers side rear tail light ( there is an access hole )
The repair section on autozone.com explains how to change the light switch.
Fuse, loose connection, or the light switch. how do you remove the dashboard on a 94 mercury grand marque?
Check the brake light switch ,on the brake pedal. Might need adjusting.
The brake light switch is bad. It's under the dash, and is switched by the movement of the brake pedal.
check your brake lights if they not worhing replace fuse or brake light switch
probably bad headlight switch,the break light wires run through the headlight switch
I have a 1998 ford grand Marquis- and the problem is the air suspension light stays on- how to fix this problem
How. Do reset airbag light on a 1993 grand marquis
You don't. They are sealed. You have to buy a new complete headlight casing. Check e-bay for best deal.