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Mercury Grand Marquis Questions

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Since I switched out the battery, the AC blows hot air only and there is a flapping sound(like a vent door)coming from the vents inside the car passenger cabin.
Diagram where it is located.
I WANT TO CHANGE THE SUSPENSION STYLE ON MY CAR AND DONT KNOW IF THE 90 AND 92 HAVE THE SAME SUSPENSION. I WANT ADJUSTABLE COILOVERS WITHOUT A TON OF FABRICATION OR HASSLE. MOST PLACES ONLY CARRY CONVERSION KITS FOR THE 92 AND UP
Car charger has 20 amp lighter charger fuse #16. But, I have an extra charger as well that isn’t working. What would be the fuse# for it?
The original is a 20 amp...fuse#16. What is the amp and fuse # for the other one?
When I put a fuse in it pops every time
As diagnosed by the local Ford/Mercury dealer.
Check engine light on had checked at local oreileys didn't tell me what codes we're just that O2 sensors and banks 1 and 2 just passed inspection 2 days ago and had tune up so I'm clueless
Hvac control panel not working. Can hear it switching but nothing happens.
What would cause my car to shut off when it gets wet?
i wanted to put the older motor in the 1998 grand marquis gs ..........i have the harness an computer of the 1985 lincoln is that all i have to change cause i have the whole car
My 2000 Grand Marquis cranks over won't start if I put starting fluid and your brake booster vacuum lines it starts throttle position sensor or crank shaft positioning sensor fuel pumps good that filters good and fuses what could it be
2000 Grand Marquis cranks over wont start if I put starting fluid in the brake booster vacuum line it starts so it has spark what's bad now that's throttle positioning sensor or the crank shaft positioning sensor
I don't hear no sound o click
Is it a standard feature of the 2006 Mercury Marquis that the headlights automatically come on when the car is started?
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