Question about Mercury Grand Marquis

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Where can I find a fuse box diagram for my 1985 grand marquis. my blinkers stopped flashing. they work but do not flash

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For 1985 Mercury Grand Marquis 5.0L FI 8cyl. the Flasher is located:
+ Front seating area, driver side, under dash, driver side of steering column, mounted in rear of fuse block
Application: Hazard flasher

+ Front seating area, driver side, under dash, driver side of steering column, mounted in fuse panel
Application: Turn signal

I hope this helps (remember to rate and comment this).

Posted on Oct 02, 2010

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Your fuse box should have a big round thing plugged into it called a flasher. Little bigger than a quarter. Simply unplug it and replace it

Posted on Oct 02, 2010

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2008 grand marquis door locks just stopped working both in car and key pod. Power trunk stopped also. fuse ok.

Hello fellow Grand Marquis owner...

Fuses 2 and 9 in the central junction box protect this system.

There is a thing called the 'Driver Door Module' (DDM) that controls both the things that you are having trouble with.

If you want to test this module, a voltmeter will be necessary. The wiring diagram is available from Chilton either in a manual (which you should be able to borrow from a library), or online (if your library has the ChiltonLibrary available to you... you'll need a library card).

On the module, check for +12 volts on pins 10, 11, and 22. Check for ground on pins 23 and 24.

Working with the diagram is definitely the way to go.

Good luck from Detroit, MI.

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3 Answers

Fuse diagram for 1999 mercury marquis

HERE can find this diagram and description about fuses and fuse box locations: Mercury-Grand-Marquis-Owners-Manual

Hope helps (remember rated and comment this).

Aug 08, 2010 | 1999 Mercury Grand Marquis

2 Answers

I have a 1999 mercury grand marquis and the turn signals have stopped working. I checked all the fuses and they are good.

The bad about these are if the flasher is bad than it's internal inside the steering wheel there is no flasher for these outside of the column except the interceptor models i have one my self and mine whent out too. I also changed the blinker bulbs because there double fillament and if one fillament goes they tend to flash really fast. This is from experience

Mar 01, 2010 | 1999 Mercury Grand Marquis

1 Answer

The turn signal switch flash too fast

this usually indicates a blinker bulb has burned out.check that front & back lights are working w/blinker on.

Oct 10, 2009 | 2001 Mercury Grand Marquis

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I'm trying to change some fuses, but I can't find the fuse box.

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Apr 14, 2009 | 1985 Mercury Grand Marquis

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My 1985 Mercury marquis blinkers are not working

my need to replace turn signal switch on the steering coloum. Dont know if it will help or not.

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