Mercury Grand Marquis Questions Maintenance & Repair

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Heater Does Not Work

Hello, 2003 Grand Marque heater does not work. The fan works, A/C works. Defrost works. Only thing wrong is no heat. Is there a vacuum line attached to the thermostat?

Scrottie BoogerBalls

97 Gm Cruise Control Not Working

ok just got my grandpas 97 Mercury GM in his will, and everything is fine but the CC. I checked the fuse, #6 and it appears to be fine, cause my clock on the dash still reads/operates. I also look...

14 views with 3 answers (last answer 5 hours ago)

Car Starts Then Immediately Dies

When I go to start my car it starts but after about 2 seconds shuts off. I've had this happen a couple times before, but I ave been able to restart it and it runs just fine. Today however it just wo...

15 views with 4 answers (last answer 3 days ago)

99 Grand Marquis

I have a new battery in my car and it was starting and running fine for a while and then just today I tried to go and move it and it would not start my door code will not work my interior lights ...

8 views with 2 answers (last answer 4 days ago)

Heater Sensor Inaccurate

temp gauge on dash is misreading and will only put out decent hear starting at 80 degrees. Any suggestions? I checked the fuses with no change in function.

10 views with 3 answers (last answer 6 days ago)

1999 Grand Marquis Signal Lights Dont Work

Hello anyone that can help my signal lights dont work on dashboard or on car on top of that the right one stayed stuck on and does not turn off even after the car is off

Charles Newman

97 Grand Marquis Door Dinging

In my 97 mercury grand marquis anytime you open the driver side door it dings repeatedly without stopping until you turn the car over. It's super annoying and sometimes it will stop depending on...

Donald Hall

How To Replace The Fuel Pump

2001 mercury grand marquis I drove the car to a friends and parked it the next day I tried to start it and it just turned over did not hear the fuel pump at all I changed the relay it still did not wo...

33 views with 3 answers (last answer about a week ago)

My 2005 Grand Marquis Heater Blower Is Not Working. All The Fuses Seem To B...

My 2005 grand marquis heater blower is not working. I can feel heat coming out of all sources but the blower is not working at all


99 Grand Marquis Problems With Battery Draining When Messing With My Radio

I had just bought a jvc head unit withat the adapters for my make model and year car. My car had ran perfectly and everything but when I had taken my radio out my horn, my interior lights, the re...

4 views with 2 answers (last answer 2 weeks ago)

My 99 Grand Marquisis Having Problems With The Battery. My Car Ran And Work...

The next morning my car wou lent start or anything my horn would work either will it drain power if left unplugged? ?


Turn Signals Wont Cancel Out After Turn

can I fix it without removing steering wheel

14 views with 1 answer (last answer 2 weeks ago)

1997 Mercury Grand Marquis Quits Every Time I Come To A Stop Light Or Stop ...

It will start again after it quits but have to turn it off and start up again, real problem in traffic

27 views with 3 answers (last answer 2 weeks ago)

Where Is The Cruise Control Switch Located Under The Dash?

I need a diagram showing the installation of a new cruise control switch module

16 views with 1 answer (last answer 2 weeks ago)

Climate Control Unit Is Getting On/off Often.

Hi , While driving, AC is getting ON and OFF and that time I can hear some switching sounds from climate control unit. Sometimes It starts ON again and sometimes it stop AC for long time. kindly guide...

9 views with 3 answers (last answer 2 weeks ago)

Low Voltage To The Fuel Pump

I have an 2004 Mercury Grand Marquis, we put in a brand new battery and the car wont start, everything works all the light work and it cranks but it wont start. There appears to be low voltage to the ...

11 views with 2 answers (last answer 3 weeks ago)

2006 Grand Marquis Brake Light Oddities

Brake light (indicating emerg. brake on) had been coming on for a few days while I was driving. I added some brake fluid and that stopped. Last night, the rear brake lights stayed on after the car...

55 views with 10 answers (last answer 3 weeks ago)
Peter Mailander

I Don't Think My Gears Are Shifting, And My Transmission Fluid Is Fine, Wha...

I have a 94 mercury grand marquis, and when I accelerate the car shakes and it doesn't seem its going into first gear like it should. Its an automatic.

14 views with 2 answers (last answer 3 weeks ago)
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