If you can't get to the rear of the light in the trunk, the light assenbly has to come off.
PLEASE DON'T TRY TO TAKE LIGHT ASSEMBLY OFF, damage is very likely!--for concise directions on how to change from inside trunk, see the answer to "how do you change turn signal lamps both front and rear on a 96 Mercury Grand Marquis" here in Wiki s (the answer is titled something about an Inside Job if that helps you to locate it).
assuming you mean the light bulbs, see the answer to "how do you change turn signal lamps both front and rear on a 96 mercury grand marquis" right here in WikiAnswers.
The repair section on autozone.com explains how to change the light switch.
I have a 1998 ford grand Marquis- and the problem is the air suspension light stays on- how to fix this problem
take it to a good mechanic or a ford or merc dealer and they have to clear it for you
Have the codes read.
Why ? Just replace it.
Fuse, loose connection, or the light switch. how do you remove the dashboard on a 94 mercury grand marque?
You won't know until you get the code read.
where dose daytime running lamp module go on92 mercury grand marquis need to replace one
check the bottom of the steering column
Have vehicle scanned to determine the problem
i have a 2002 grand marquis and when i driving on the highway at speed of 60 to 70 the light of traction control star to flash way is the problem
Perhaps your timing.
Remove the wing nuts from inside the trunk, the assembly will pop out.
change the brake lights check the fuse check the brake light swtch
Your Brake Lights. It's mounted on the Steering Column and is very easy to change. Around $10 at your local parts store.
Burned out bulb?
it is called lights control module box.It is under the sterling wheel.
this is usually caused by having a burnt out light bulb somewhere in the system.
On the left side of the steering column there is a light black tab that you pull down.
check your brake lights if they not worhing replace fuse or brake light switch
Inside the front right and left fenders, just under the side marker light, I believe. If it doesn't work at all, check the relay first.
This is not something that can be done by an amature. You need a timing light and tools. Take it to a mechanic to get it done right.
Look inside the trunk for the wing nuts to remove the unit.
It may not have one but if it does of course it will be located somewhere inside the glove box.