Question about 2002 Mercury Grand Marquis

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2002 grand marquis- The blower motor just quit and all the fuses are ok, I have automatic temp. control and have looked for a blower motor resistor and can't find one. The parts stors do not cary one for automatic temp. control. Where would it be if there was one? We have not had any problems with it until now.

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  • Bob Broadfoot May 11, 2010

    There are at least two fuse boxes on most cars and sometimes three. Are you sure you checked all of them?

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The only place to get parts fot the ATC is a Ford / Mercury dealership. I am haveing the same problem my self. Also be ready for some major expense. The ATC unit is over $900.

Posted on Sep 18, 2009

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2002 MERCURY GRAN MARQUIS NO LOW AC BLOWER


More often than not, the Blower Motor Resistor would be at fault. It controls the speed of the Blower Motor by varying its speed revolutions. The Blower Motor Resistor is located under the hood under the heater hoses. You can purchase one from E-bay, Amazon, or check your local Auto Parts store(try to get the best price). To get an idea of where the Blower Motor Resistor is situated and what it would take to replace it, go to www.youtube.com. Type ......how to replace blower motor resistor ford crown vic.... and the video will pop up. There should be another video under it with the caption.....2003 ford crown
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My 2001 grand marquis heater turns on but wont blow i smelled a strange smell before it quit


Could have been the resistor or the blower motor. It was probably a burning wire smell.
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Jan 22, 2014 | 2001 Mercury Grand Marquis

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I dont have power to my blower on a 1987 grand marquis station wagon and fuse is ok is it a resister?


Power goes from the fuse to the function select switch, then to the blower motor. The fan switch and the resistor is the ground circuit for the blower.

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1 Answer

2004 Buick LaSaber w/Automatic Temp control, blower motor just quit, won't run at any speed, all fuses are OK. I'm thinking bad motor?


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1 Answer

Blower stopped working on my 2001 Mercury Grand marquis


Check the fuse first. If the fuse is good then either the blower motor or the blower motor resistor pack is defective. Check the blower motor by applying 12 volts directly to the motor. If it runs it is good and most likely the resistor pack is bad and needs replacing. it can also be the blower motor speed control but rarely do they go bad.

Jan 02, 2011 | 2000 Mercury Grand Marquis

1 Answer

Air conditioner 2002 mercury marquis


In the engine bay, there is a set of fuses by the battery. Pop open the fuse panel. There should be a set of relays. Check in your manual under "Roadside Emergenies" for the relays and you will find one for the A/C Compressor. The compressor normally checks out fine, it is a common problem that the relay goes bad. Swap the relay with a new one and you should be golden!

Apr 10, 2010 | 2002 Mercury Grand Marquis

1 Answer

Fan quit on my 2002 Mercury Grand Marquis; even though I still feel heat. Could it be a fuse? If so, how do I change it, what size do I buy?


does high speed work?

I fyes, it is bad resister coils, mounted in plenum case to keep cool.

Usually a bad blower motor will cause the fuses or resister to fail. drawing too much current as it wears out.

Also could be control head for heater system. Electronic digital controls?

Mar 31, 2010 | 2002 Mercury Grand Marquis

2 Answers

Blower fan not working for heat or AC. checked electrical on motor and it's OK. What else can I check?


check the blower motor resistor- located next to the blower motor- or check the fuses.

Nov 28, 2009 | 2003 Mercury Grand Marquis

1 Answer

Ac blower motor


Check fuse supplying fan is not blown,
Check blower control switch is operating OK,
Check relay controlling fan is operating OK,
Check variable speed resistor pack is not faulty (the resistor pack is usually located in the blower ducting, in the blower airflow),
Check blower motor ground connection is not missing.

Aug 12, 2009 | 2000 Mercury Grand Marquis

1 Answer

Heater and overdrive button as well as heated seats quit working


Your heater problem could be a blower motor resistor if the motor does not work at all. If the blower does work then the problem could be a bad heater valve. I assume that the 30 amp blower fuse is good. The seats and overdrive light have no connection with the blower. Does the heated seat light come on? Do you have automatic temp control.

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