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A/C heater blower switch
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=43005		 Page 1 of 1
Author:  Hoosierdaddy [ Fri May 08, 2009 10:18 pm ]
Post subject:  A/C heater blower switch
My blower only runs on the 3 and 4 position. My first response was to change the switch but my buddy says that there is a component (relay?) under the hood that is failure prone. Has anybody had experience with this problem?
Thanks

2006 CRD
Author:  rt_power [ Sat May 09, 2009 8:57 am ]
Post subject: 
sound to me like you have a pooched resistor block. someone quote me if I'm wrong but i believe that is right behind the glove box. its an easy and cheep fix. i found this by doing a search hope it helps
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?t=8284&highlight=resistor+block
Author:  tomsjeep [ Sat May 09, 2009 11:28 am ]
Post subject: 
The blower motor resistor is the Jeep part that is most prone to toasting... and a good reason to keep a fire extinguisher around.
My TJ has gone through 3 of them so far. My Libby hasn't gone through its first one yet... keeping fingers crossed.

Note: this is an unscientific, opinionated answer. It may not actually be true, but it sure seems like it's true!
Author:  SweepnChoke [ Sat May 09, 2009 4:51 pm ]
Post subject: 
I am on my 3rd resistor pack in my Liberty, and the 2nd in my wife's. The failure mode is exactly as you described, some speeds work, others do not (usually it's the higher speeds that are still functional).

As rt_power said, it's an easy and relatively cheap fix.
Author:  valvestem [ Wed May 13, 2009 2:58 pm ]
Post subject: 
Deleted, "Doesn't Matter"
Author:  oddball [ Wed May 13, 2009 8:18 pm ]
Post subject: 
Doesn't matter what brand vehicle, if your blower only works on the two highest settings, the resistor is bad. Get one from Mopar (Jeep).
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