Mercury Grand Marquis Questions Maintenance & Repair

Where Is The Blinker Relay For A 2000 Mercury And How Do I Replace It?

I just got mt car back from the shop and then my blinkers stopped working. My hazard lights still come on with the lights on the dash but when I try to use my blinkers the dash lights and the outsi...

2003 Mercury Grand Marquis Bolt Size

Hi guys, I recently changed the blower motor resistor in my 2003 MGM. I think this repair had been done previously, as the resistor was only secured with one bolt. I would like to go back and secur...

30

What Are These Plugs For?

I've got a leak coming from one of them and im not exactly sure what they are draining. Located under the trunk about a foot and a half behind the rear differential.

What Can Cause The Headlights To Go Out At Random?

The lights on my 2004 Mercury Grand Marquis keep turning off at random while I'm driving. What can cause this, and what can I do?

Why Is My Overdrive Button On My 2003 Grand Marquis Not Working

Climate Control Turn Signal Lights

My turn signals don't work on my climate control doesn't work I've already replaced the ignition switch a couple times they even started working once but then they quickly went right back out what...

30

Leaking Fluid In Center Toward Trunk

A few days ago I noticed a small puddle under my marquis. Color is light golden brown. I checked the oil and it is full. Any idea what this is?

10

Mystery Plastic Piece Found In Thermostat

There was a hard plastic piece stuck in my thermostat. Trying to figure out where it came from. I found no other pieces in the system (so far). Not my radiator cap or hoses. Next guess is my impelle...

Brake Lights Don't Work Where Is The Brake Light Relay

Brake lights don't work won't shift out of Park replaced brake light switch and fuse problem still exists no broken wires

Caliper Guide Pins Which One Goes On Top

which guide pin goes on top

Car Stuck In Park Need Help

My car is stuck in park I talked to someone they told me to change the brake light fuse but I have no clue where it's located please help

30

Why Does My Heater Blows Warm Air In The Summer And Cold Air In Winter?

Heater blows warm air in the summer with controls set to off. Heater blows cold air in winter controls set to on. Thermostat replaced, new radiator, new blower switch, new heater control valve. Any...

Interior And Headlights

my interior and head lights are coming on by themselves , could the keyless entry cause this

20

What Is Is This Vacuum Hose And Where Does It Go?

I discovered this broken vacuum line on my 04 Grand Marquis while inspecting vacuum lines to fix the ac. I saw a video on YouTube that showed it going to a "parking brake actuator" but I don't even...

1996 Grand Marquis Will Not Die

I can remove the key and My car wont die. It still starts every single time with no problems. Where do i start after changing the ignition switch, coil packs and entire fuel pump assembly?

10

Odometr/trip Meter Work Sometimes

The odometer / trip meter works, then doesn't. Works, then doesn't. Besides the gears being worn out, could there be another reason for this?

What Is Po 102 Engine Code

How Do You Reset The ECM And Anti Theft System?

How do you reset the ECM and reset the anti theft system?? I have a 2000 grand marquis and the car will not start.

5

Overheat / Tach Issue

The car redline temp, so I turned it off. Upon inspection, I notice that the car was not doing the normally overheated gurgling nor a computer code entered. My fan was a bit sluggish so I changed it o...

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