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Ford Crown Victoria/Mercury Grand Marquis Electrical/Lighting

245 messages,  Last post on Mar 25, 2013 at 6:34 PM

You are in the Ford Crown Victoria/Mercury Grand Marquis Forum.

What is this discussion about? Ford Crown Victoria, Mercury Grand Marquis, Lights, Electrical, Sedan

Messages Page 18 of 25

#170 of 245 Re: andy136 [andy136] by euphonium

Dec 20, 2010 (12:02 pm)

Replying to: andy136 (Dec 20, 2010 9:58 am)
Until the two fuse locations are checked out by an independent auto electrical tech I would hesitate on buying a new module. I believe there is a Black circuit breaker box under the hood. Hopefully, that is your source of the lights going out as that breaker opens and closes from time to time. The other fuse location, under the dash, contains fuses of different colors and when when of them blows - that's it until it is replaced. Since your lights come on later, I would inspect the breakers in the Black box under the hood.

#171 of 245 wipers by gates229

Dec 27, 2010 (10:25 pm)

My mercury grand marquis wipers do not work. I replaced the wiper switch because a mechanic told me they go bad a lot and they still do not work. Does anyone have a idea of what it could be?

#172 of 245 Re: Autolights on 2003 Merc Grand Marquis not working [brookfieldrich] by andy136

Dec 28, 2010 (12:07 pm)

Replying to: brookfieldrich (Sep 07, 2010 7:03 am)

#173 of 245 Re: Dome light comes on intermittently at night [dowag] by dunncustomz

Jan 13, 2011 (8:22 am)

Replying to: dowag (Aug 19, 2009 5:16 pm)
1999 merc grand marquie (pos) replaced the LCM , door striker switch,re adjusted door strikers and cleaned contacts in the LCM and the stricker switch. and the damn courtesy light still comes on random leaving the car dead every morning!!!! any insight to this problem would be greatful.
oh ya did i mention thats about a thosand dollars in parts so far chasing a bug that will not squash

#174 of 245 Re: Dome light comes on intermittently at night [dunncustomz] by itisalljunk

Jan 19, 2011 (2:06 pm)

Replying to: dunncustomz (Jan 13, 2011 8:22 am)
I would bet it's your driver's door, exterior touch button, key pad(that is if you have one). Pull the interior door panel off and unplug the key pad. They get corroded in there and cause just what you are experiencing. Unplugging it should end your problems with no ill effects. You could replace the key pad if you actually use it.

#175 of 245 Re: Dome light comes on intermittently at night [dunncustomz] by euphonium

Jan 20, 2011 (11:21 am)

Replying to: dunncustomz (Jan 13, 2011 8:22 am)
I don't know how this works, but sometimes disconnecting the battery for a couple of hours enables the "gitzensnorkle" to reset itself. Might be worth a try before removing the door panel.

#176 of 245 2001 Mercury Gran Marquis multiple electrical issues by raszman

Feb 28, 2011 (7:46 am)

My '01 Grand Marquis just developed an unusual electrical problem. It started during a mountain trip. The first problem was the ABS and Trac Ctl indicators on the dash came on. Then a very unusual problem appeared - the high beam indicator illuminated and both turn signal indicators came on, but dim. The headlights and front running lights don't come on(relays clicks) The tail lights and brake lights work(allowed me to get home...) The turn signals work sometimes - blink very fast. On the highway, the turn signal and high beam indicators go out around 50mph - the A/C compressor will work when they go out. Windshield wipers work, washer doesn't. No engine codes(nor check engine light). Assume some ground issue or some control module failed?

#177 of 245 Re: 2001 Mercury Gran Marquis multiple electrical issues [raszman] by raszman

Mar 01, 2011 (3:54 pm)

Replying to: raszman (Feb 28, 2011 7:46 am)
Found the electrical problem... right front fender was replaced a couple of months ago during paint job and they failed to tighten a ground wire that attaches to the fender inside......ABS light remains on - next on the list to troubleshoot!

#178 of 245 Re: andy136 [andy136] by speaque

Mar 07, 2011 (6:35 pm)

Replying to: andy136 (Dec 20, 2010 9:58 am)
I'm having the same problem with the same year Grand Marquis. How did you resolve it? Thanks.

#179 of 245 Re: andy136 [speaque] by brookfieldrich

Mar 07, 2011 (8:15 pm)

Replying to: speaque (Mar 07, 2011 6:35 pm)
My mechanic replaced a "multi-function" switch located underneath the steering column and that worked for me. Cost me $200 for parts and labor.

Messages Page 18 of 25

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