Top 20 1999 Mercury Grand Marquis Questions & Answers

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Diagnostic scan results were DTCs C1095 (Pump motor circuit failure) and B1676 (Low voltage. Battery out of range). What repairs are necessary?

The year, make, model, and description of the issue that you're having would be really helpful. Dtc' don't tell you what repairs are needed, they just give you an indication of where the problem may be. The low battery voltage code can most likely be disregarded. The pump motor circuit failure code indicates that there is a problem with the electrical on the pump motor either on the air ride system or the abs system. You need to trouble shoot the wiring to the pump motor. Make sure you have power and ground.
9/10/2021 6:10:35 PM • 1999 Mercury... • 326 views • 0 helpful votes
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I need a 1999 mercury grand marquis, cruise control wiring diagram

Hello u'd need a proper manual for this in my opinion like there are plenty of dealers and online shops that deal in those.. you can get some free at reliable-store and it;s actually really illustrative
2/14/2019 10:23:18 PM • 1999 Mercury... • 216 views • 0 helpful votes
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1999 mercury marquis,engine light was on for awhile,got up next morning the car cranks over no start,no engine light on

Disconnect battery for about 5-10 minutes then see if your code has cleared. If you have access to a code reader that would be your best bet.
2/17/2019 2:36:21 PM • 1999 Mercury... • 83 views • 0 helpful votes
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Remove lighting control module 1999 grand marquis

My personal suggestion would be to go for t hese repair catalogs from www.reliable-store.com instead. much better language, complete manual of 800+ pages, and they also have live assistance feature
9/7/2018 11:53:27 AM • 1999 Mercury... • 612 views • 0 helpful votes
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SecuriLock System

Hi I know on my commodore it has a code that I can enter I need to access this by using the buttons on the dash that are used for checking fuel level till empty, distance to go, distance travelled etc. Could be the same for you worth a try problem is you need the code for your car. Most are factory set at 0000 but you only get a couple of goes. Regards Craig
2/1/2018 6:06:03 AM • 1999 Mercury... • 92 views • 0 helpful votes
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Grinding noise from rear of 1999 Grand Marquis

doubt it very much the only gears in action are the axle spider ( spur gears ) and they turn very slowly on turns pinion and crown wheel, noise are growls and whines depending if accelerating or costing and makes no difference if turning or straight ahead That should save you $ $1500.00 for a diff center that costs only $450.00 indicates wheel bearings or brake pads ( linings ) worn out and the callipers rubbing on the rotor ( drum) I would be checking at the wheels and wheel bearings for the problem
10/11/2017 8:48:04 AM • 1999 Mercury... • 1,093 views • 0 helpful votes
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My Blower will work with the Key on but Quit when the engine is started? The temperature display also starts displaying odd readings.

Could be in the ignition switch. I'd try jiggling the key around and see if things change
1/2/2018 1:24:03 AM • 1999 Mercury... • 65 views • 0 helpful votes
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Where the door lock fuseon99 grand Marquis

Under the hood.
12/29/2017 10:56:50 PM • 1999 Mercury... • 66 views • 0 helpful votes
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Why is there a gurgling sound upon starting and the antifreeze blows out

Check head gasket. Pull spark plugs and perform compression check? Check plugs for fouling. Check engine oil for water/antifreeze Hope this helps?
6/20/2017 11:27:03 AM • 1999 Mercury... • 236 views • 0 helpful votes
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99 Mercury Grand Marquis

6/12/2017 1:09:03 AM • 1999 Mercury... • 216 views • 0 helpful votes
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I have a 1999 Mercury

first swap to a front tyre to eliminate that issue new bearing shouldn't be rumbling to get the bearing square on and home did you use a press to fit the bearing to the rear axle or tube method ? and did the seal kit have this nifty plastic seal fitter so axle didn;t rip the seal surface index-iamfpwhpnyqdk3sl3340sktr-1-0.jpg
4/12/2017 10:30:03 AM • 1999 Mercury... • 281 views • 0 helpful votes
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How to remove windshield wiper motor off of 1999 mercury marqui

Wiper motors on this car are a very rare failure, so have you jumped 12 volts to the wiper motor and does it work or not, do that before you tear into it. The switch is the more common issue. Also the wiper motor can be tested with a Ford special scan tool called and "NGS", it runs the wiper motor through it's cycles by controlling the BCM..
3/24/2017 9:40:46 PM • 1999 Mercury... • 132 views • 0 helpful votes
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I'm looking for the housing that the thermostat sits in on a 1999 grand maquis . I cracked the plastic when tightened the thermostat on. I'm not talking about the goose neck cover. I need the lower

That is the intake manifold unless i am mistaken what you are trying to explain.you can probably find one in a salvage yard.
3/14/2017 1:45:31 AM • 1999 Mercury... • 103 views • 0 helpful votes
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Spark Plug gap & torque

The Motorcraft AWsF-32P plug is designed for this 4.6lit engine The gap should be set at 0.054 inch. The torque of the plug should be between (84 to 180 in.lbs.) anti seize lube should be put on plugs threads before instillation. Some of the plugs are hard to get to, however if you cut 12 to 16" rubber hose & slide over the plug, it makes the job alot simpler. Hope this helps. Malcolm Sanford
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On 1999 grand marquis, cut fuel pump assembly wires 3. On new one, the wires are different colors. How can i find out how to match them up

Match the location of where each original color goes to the same location on the new pump regardless of color and connect them. GOOD TO GO!
12/18/2016 1:45:39 AM • 1999 Mercury... • 338 views • 0 helpful votes
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1999 grand marqice dies when you put it in drive

How long since a tune-up? How many miles on the vehicle? Any applicable trouble codes? In park or neutral, not much load on the engine, there is a load in a drive gear.
2/25/2017 8:01:52 PM • 1999 Mercury... • 53 views • 0 helpful votes
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Picture of window tracking on a 99 GRAND MARQUISE

https://www.youtube.com/watch?v=o3QvtJIMY48 ford crown Victoria have the same tracking
12/1/2016 9:08:29 AM • 1999 Mercury... • 46 views • 0 helpful votes
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