Technical Support, Instructions & Repair Service

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2004 Mercury Grand Marquis Repair, Maintenance & Service

Troubleshooting and Support

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heater blend door is stuck
do i need to remove the intire dash or is it behind the instyrument panel and vent duct

1 Solution

curse control on 2004 mercury grand marque...
curse control on 2004 mercury grand marque does not work.

1 Solution

Factory Keyless Entry Code
Where on a 2004 Mercury Grand Marquis is it located? Just bought the car and can't use it because I don't know the code....

2 Solutions

2004 mer. grand marquis
headlights will switch off by themselves. happens when h/l switch is in auto or manual. can get lights...

1 Solution

headlights
Headlights come on by remote and some times they dont. I tried using the switch on manual and sometime it works and...

7 Solutions

keyless enrty code
where is factory code on car?

1 Solution

headlights
Headlights come on by remote and some times they dont. I tried using the switch on manual and sometime it works and...

1 Solution

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Solved Problems for All Mercury/Grand Marquis

87 mercury micro-hesitation
87 Grand Marquis, 5 liter engine, fuel injected. When going down the road at a steady speed or slightly accelerating,...

1 Solution

hit a deer with my
hit a deer with my 1996 mercury grand marquis. the signal and flasher lights quit working.

1 Solution

Headlights cut out after being on 10 to 15...
The headlights cut out after 10 to 15 minutes. I suspect a heat build up problem. The 4 ways work; the tail lights work;...

1 Solution

how do u drop the oil pan on 2000 ford...
i need to change my oil pump but i can not get to all of my bolts because the front differential is in the way. am i...

1 Solution

1976 Ford LTD 400 cu in any way to improve...
It's tough on an engine of that vintage as the early smog systems, low compression and the carb do not make for high...

9 Solutions

leaking oil pan gasket
leaking oil pan gasket

1 Solution

Just got heater core replaced
Just got heater core replaced and now have no heat from heater or defrost. Fans work, just don't blow anything beyond...

1 Solution

Unsolved Support Problems

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DOMELIGHT DOES NOT LIGHT WHEN OPENING...
3 WIRES AT LIGHT CONNECTOR 1 GREEN (HOT 12 VOLTS) 1 BLK.SEEMS TO BE NEGATIVE 1 BLACK W/BLUE STRIPE HAS NO POWER FUSE # 6...

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Rear marker lights don't consitently turn...
When the lights turn on, the rear marker lights don't consistently turn on.

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wipers won't shut off
Hi & lo speed, delay, & washer work as usual. I can't shut wipers off. Wiper motor has been professionally...

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Head lights cut out. Can you help me...
I have a 04 merc. marquis with automatic head lights. The lights cut out at night and will not come back on. Some times...

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AIR WILL NOT GO OFF, AND POWER STERRING IS...
AFTER GETTING MY BRAKES CHANGED, AND MY HEAD LIGHT BULBS, NOW THE AIR WILL NOT GO OFF, AND POWER STERRING IS VERY TIGHT,...

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automatic climate control
I have a Merc G.M. a/c will shift to the dash vents, then to defrost vents then to floor vents, and then start over...

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Unsolved Problems for All Mercury/Grand Marquis

no electric power to the
no electric power to the power locks on door. no power to the climate control module

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car mercury 1994 car door power window how...
my car pwr windos not working right, need to remove door pannel to see inside window levers arms motor. and if need to...

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how do i check my
how do i check my rear air suspension on 1992 mercury grand marquis

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engine missfire 1999 grand marquis
engine missfire 1999 grand marquis

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The brakes on the car
The brakes on the car lock up or haul you to an stop when driving

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2001 Mercury Grand Marquis, the
2001 Mercury Grand Marquis, the switch to turn on the fan does not work. How do you access switch for removal from the...

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I need to replace the
I need to replace the Right Rear ABS wheel sensor. My diagnostic Actron stated: RR Speed Sensor ...

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