Have 2000 Grande Marquis car. Heat/air fan stays on high all the time. Can't even shut it off.

Asked by Oct 02, 2015 at 04:31 PM about the 2000 Mercury Grand Marquis

Question type: Maintenance & Repair

1 Answer

58,815

Sounds like the controller has failed. It's on the firewall on the passenger's side of the engine compartment. If you have automatic climate control that's going to be it. They're known for failure. HTH. -Jim

Your Answer

Add photo

Related Questions

Search Mercury Grand Marquis Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Mercury Grand Marquis Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 5,030
#2 kbro
kbro
Reputation 2,020
#3 Js08016
Js08016
Reputation 1,560
View All

Related Models For Sale

Used Lincoln Town Car
38 Great Deals out of 2,159 listings starting at $1,995
Used Ford Crown Victoria
4 Great Deals out of 1,477 listings starting at $2,900
Used Chevrolet Impala
937 Great Deals out of 35,463 listings starting at $1,995
Used Ford F-150
3,213 Great Deals out of 205,088 listings starting at $1,779
Used Cadillac DeVille
4 Great Deals out of 1,991 listings starting at $1,600
Used Toyota Camry
1,198 Great Deals out of 93,145 listings starting at $700
Used Chevrolet Tahoe
852 Great Deals out of 28,369 listings starting at $1,700
Used Buick LeSabre
8 Great Deals out of 2,328 listings starting at $1,768
Used Honda Accord
1,082 Great Deals out of 76,813 listings starting at $1,395
Used Chevrolet Camaro
475 Great Deals out of 39,921 listings starting at $3,499
Used Chevrolet Silverado 1500
2,741 Great Deals out of 149,178 listings starting at $1,500

Used Cars For Sale

2011 Mercury Grand Marquis For Sale
42 listings starting at $5,900
2010 Mercury Grand Marquis For Sale
5 Great Deals out of 120 listings starting at $2,999
2009 Mercury Grand Marquis For Sale
5 Great Deals out of 117 listings starting at $2,995
2008 Mercury Grand Marquis For Sale
8 Great Deals out of 176 listings starting at $2,995
2007 Mercury Grand Marquis For Sale
6 Great Deals out of 164 listings starting at $2,750