AC fan only works at high setting

Asked by May 21, 2014 at 03:53 PM about the 2004 Mercury Grand Marquis LS Ultimate

Question type: Maintenance & Repair

2 Answers

350

Needs a blower resistor up under dash somewhere you replace that and you should be all set

1 out of 1 people think this is helpful.
23,405

The resistor block is under the hood in the Firewall directly behind a heater hose. You'll likely need to replace the Blower Motor (and fan) as well. Hope your Fan Speed Switch isn't burned up too.

2 out of 2 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Mercury Grand Marquis Questions

Mercury Grand Marquis Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 5,260
#2 kbro
kbro
Reputation 2,050
#3 Js08016
Js08016
Reputation 1,660
View All

Related Models For Sale

Used Ford Crown Victoria
11 Great Deals out of 954 listings starting at $2,990
Used Lincoln Town Car
28 Great Deals out of 1,810 listings starting at $1,650
Used Chevrolet Impala
566 Great Deals out of 28,668 listings starting at $1,595
Used Chrysler 300
338 Great Deals out of 20,531 listings starting at $1,000
Used Mercury Marauder
27 listings starting at $10,000
Used Ford Taurus
204 Great Deals out of 19,187 listings starting at $500
Used Ford Mustang
320 Great Deals out of 45,522 listings starting at $2,000
Used Ford F-150
2,409 Great Deals out of 209,425 listings starting at $895
Used Cadillac DeVille
8 Great Deals out of 1,589 listings starting at $1,995
Used Buick LaCrosse
187 Great Deals out of 22,741 listings starting at $1,500
Used Honda Accord
703 Great Deals out of 81,926 listings starting at $500
Used Chevrolet Tahoe
602 Great Deals out of 27,562 listings starting at $600
Used Chevrolet Silverado 1500
1,949 Great Deals out of 159,903 listings starting at $1,995

Used Cars For Sale

2011 Mercury Grand Marquis For Sale
4 Great Deals out of 42 listings starting at $3,900
2010 Mercury Grand Marquis For Sale
7 Great Deals out of 97 listings starting at $3,999
2009 Mercury Grand Marquis For Sale
4 Great Deals out of 98 listings starting at $4,299
2008 Mercury Grand Marquis For Sale
6 Great Deals out of 144 listings starting at $500
2007 Mercury Grand Marquis For Sale
4 Great Deals out of 150 listings starting at $1,900