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One explanation for this is that you have a bad wire in your wire harness. go to o' Reillys and buy a wire tester and test the wires in you wiring harness.
NO...if you have a keypad on door, water has gotten in and shorted out keypad causing conductivity between keypad numbers. keypad needs replacing. TSB for this.
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∙ 12y ago
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Is mercury going to quit making the marquis?
2011 Is the last model year of the Mercury Grand Marquis
Does a 1990 grand marquis with a 5.0L engine have a PCV valve?
YES , a 1990 Mercury Grand Marquis 5.0 liter V8 engine has a PCV valve ( Motorcraft part number EV-98-B ) going into the intake manifold
What would cause the headlight switch on an 1989 Mercury Grand Marquis to keep going out where as the headlights come on but the tail and dash lights don't and the fuse is good?
it's your headlight switch
How do you disable or disengage your 99 Mercury Cougar alarm?
Why, are you going to steal one?
The oil pressure gauge on your 1996 mercury grand marquis keep fluctuating minute to minute sometimes It never did that before usually stayed centered Is the oil pump going?
That, or the gauge is going. Or a loose wiring connection. I'd bet on the last.
Why does my 93 grand marquis make such a noise door locks?
There could be many reasons why the 1993 Grand Marquis make noises when the doors lock. The wiring could be off, or the motor could be going out.
Why does your grand marquis start up and keep going dead?
Sounds like a Fuel Problem to me.
What is the minimum speed for airbag deployment on a 2002 Mercury Grand Marquis?
I believe it's >15 mph, I rear ended someone in my 2000 gm at a stop light going 10 and nothing happened, messed up my bumper tho.
Why does your 1996 Mercury Grand Marquis start to lose power on the highway?
I had the same problem coming from Detroit to Atlanta Lucky My Father in law was with me. He had had the same problem he just disconnected the sensor going to the air filter box and have had no problem since
Should the fuel pump reset button be up or down on a 93 mercury grand marquis?
The reset button on the fuel pump inertia switch should be DOWN ( if the button has popped up , then no power is going to the electric fuel pump )
Lights flash after replacing the battery in a Jeep Grand Cherokee?
i assume you mean your marker lights. it sounds like your alarm going off, you must have a aftermarket alarm
How would you know if you universal joint is going out on a 1992 grand marquis?
It'll have too much play in it. Everything should be tight.
