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2000 Merc. Grand Marquis AC fan not working.


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jackg304
User

Dec 23, 2011, 9:40 PM

Post #1 of 7 (7154 views)
2000 Merc. Grand Marquis AC fan not working. Sign In

2000 Merc Grand Marquis LX v8 w/134000 miles. The ac has always worked great but the other day I had to go somewhere & when I started the car I noticed the fan was not working. I checked the 30amp fuse in fuse box inside car. It looked ok. I then checked the 50amp fuse in the box under the hood & it doesn't look broken. The compressor is working. I hear it start & stop. When I am moving I can feel the cool air coming through the vent when i turn the ac on. I don't feel the air in Max setting or in automatic setting. Could this be the blower motor?Unsure
Anyone got some ideas for this old man?
Thanks, Jack.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 24, 2011, 5:50 AM

Post #2 of 7 (7118 views)
Re: 2000 Merc. Grand Marquis AC fan not working. Sign In

I could be the blower motor, among other things. Turn it on and gove the motor a rap with a screwdriver handle to see if it starts indicating a bad motor. If not, you will have to test for power and ground arriving at the motor.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Dec 24, 2011, 7:05 AM

Post #3 of 7 (7110 views)
Re: 2000 Merc. Grand Marquis AC fan not working. Sign In

Also try tapping on the blower module that located in the firewall at the back of the engine's right cylinder head with the blower selector on high. Replaced many of those for inop blower operation.

Green part is the blower module(resistor):







Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Dec 24, 2011, 7:07 AM)


jackg304
User

Dec 24, 2011, 5:34 PM

Post #4 of 7 (7089 views)
Re: 2000 Merc. Grand Marquis AC fan not working. Sign In

Can I find A full engine picture so I can locate where these two things above are.( Front Blower Motor & blower module(resistor) Location of Batt. Carb, Rad. etc. Going by the diagram above, I think I know what I'm looking for. Just want to be sure.
Thank you for the quick Response.

Jack..


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 24, 2011, 5:45 PM

Post #5 of 7 (7086 views)
Re: 2000 Merc. Grand Marquis AC fan not working. Sign In

That is a picture of everything you need. If you can't find what you need with that, you probably should be taking it to a shop.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



jackg304
User

Dec 24, 2011, 6:27 PM

Post #6 of 7 (7080 views)
Re: 2000 Merc. Grand Marquis AC fan not working. Sign In

Thanks Hammer..Don't think I will have any trouble. I'm sure I know where they are..Was just gonna doublecheck..

Merry Christmas,
Jack.


jackg304
User

Jan 8, 2012, 2:34 PM

Post #7 of 7 (6993 views)
Re: 2000 Merc. Grand Marquis AC fan not working. Sign In

Sly Thanks Discretesignals & Hammer Time, after the holidays I finally got around to working on my car..The problem was the Blower Module..I thank you both for your time.
jackg304






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