Question about 2004 Jeep Liberty

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2004 jeep liberty heater fan works on 123 but not on high

I went through a car was at 35 below the next day my heater fan would not work on high!

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What do you mean you "went through a car"??? Did you crash???
Generally one speed being "out" is caused by a burned out relay or resistor pack. Check those!!!

Posted on Jan 16, 2009

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Posted on Jan 02, 2017

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2 Answers

How do I check my fan switch air cond. blower motor?


2014 post.? old post, its DC motor NOT A.c.
direct current, not alternating current motor.
no need to guess, use a voltmeter, and save lots of cash, for sure..... a $10 voltmeter works,.

first off there are 2 systems. manual and auto
which is it? (options day 1)
on this car you scan it, first. it has DTC errors
not to be ignored, if present.


let me answer for all car HVAC car owners.
it can be many things.
1: fuses blow (dead fan)
2: wires bad, cut, or melted or corroded (weak fan)
3: controller is bad.
4: the dampers not open fully.
5: if HVAC has fan resistor it can fail on low speeds but not high. (or fail only on high)
6: if the fuse on the left below is blown there will be no high speed, Fuse #35 blown. no high.

note how this unique car runs a relay just for high. see drawing below.ff37835b-9047-4b0d-91e8-44f56ef6ba66.jpg

for sure the motor is last.
the fan can be hot wired, before removal
if passes that test its GOOD.
what matters is 12vdc (13.3 to 15v engine running)
to the fan.
and if only one speed fails, and not high say so
or if only high speed fails, say so.
as that set of symptoms is never a fan.
for sure if it runs ok on high.,
so fuses first.'
then the relay if high fail.s.

Sep 23, 2014 | 2005 Isuzu Ascender

1 Answer

2011 jeep liberty....Heater fan does not work at all


blown fuse, if fan dead on high.
open operators guide turn to fuse page, bingo. blower.

Jan 18, 2014 | 2011 Jeep Liberty

1 Answer

My 1998 Deville lost all power to the A/C and Heater


Could be a fuse or the ac control module. I would check the fuse first.

Sep 25, 2012 | 1998 Cadillac DeVille

1 Answer

Heater / air conditioner fan control doesn't engage fan. Previously, it only worked in high speed.


I would replace the blower motor resistor first then see if that corrects this. The resistor is located next to the blower motor under the dash.

Jul 16, 2012 | Cars & Trucks

1 Answer

04 Jeep liberty can only feel air conditoner when jeep is moving the other day the jeep beeped thee times and the overheated engine light was on now its off


Sounds like a fan issue. The engine and A/C are only being cooled when the vehicle is moving and air is flowing across the radiator and condenser. I would start car with hood up and check that fans cycle on as the engine gets warmer and a/c is turned on. Don't let it get too hot, and keep clear of fans and moving parts.

Apr 28, 2017 | 2004 Jeep Liberty

1 Answer

2005 jeep liberty blows cold air through the heater.


could be the thermostat if it was just stating to go bad,could also be a vacume problem not letting the door for the ac/heat close all the way for a few min.and if its really cold out like below 35,then its going to take longer to warm up,my jeep takes like around 20 min at idle to warm up.yours could be a case of over cooling in cold weather too ie(electric fans on before it warms up)that would be the thermostatic sensor.

Dec 01, 2011 | 2005 Jeep Liberty

1 Answer

2007 pontiac grand prix headlights are not working correctly. High beams work but not low beam. nothing works on automatic. Low beam bulbs have been replaced. Lights worked for one day, then back to not...


I drive a 07 Grand Prix and the low beams randomly went out. Could not get them to come back on, but all of the other lights worked (inside, parking, and high beams). found a forum online that recommended replacing the fuse/thing at location #35 in the fuse box under the hood. It worked immediately!! Got the part at Advanced Auto parts for $35 dollars.

Aug 25, 2011 | 2007 Pontiac Grand Prix GXP Sedan

1 Answer

My 2004 jeep liberty fan for the heater and ac only works on high


under the glove department is a heater motor resistor you can look the part up on ebay , it located under the glove box ,, place in a cut out , you have to look carefully but it is there ...i beleave one screw holds it in ,, it a easy fix ... just swap the old part for the new ..

Aug 24, 2011 | 2004 Jeep Liberty

1 Answer

We have a 2002 jeep liberty. The heater and defrost only works sometimes what are some possible causes.


If you mean that the heater "fan" only works sometimes, there is heater blower resistor mounted to the heater motor, (behind the glove box) and if it goes bad, you normaly have high speed only. These are common to go bad, and not expensive.

Jan 02, 2011 | 2002 Jeep Liberty

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