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Unread 11-13-2012, 09:06 PM   #1
TresMarkham
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2000 TJ Wrangler 
 
Join Date: Jun 2011
Location: Maryville, TN
Posts: 7
A/C and Heater blower motor not working

My blower on my heating and A/C is not working. When I am driving air will barely come out but other than that nothing. A few months ago it only ran on high, and now if I hit a hard bump the high setting will sometimes kick back in. I'm pretty sure that it is either the blower motor resistor or the blower motor control switch. Any ideas?

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Unread 11-14-2012, 05:25 AM   #2
jdhawes
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2006 TJ Wrangler 
 
Join Date: Jun 2011
Location: St. Inigoes, MD
Posts: 19
Got a similar issue also, but my blower only works in the top two positions. It has been like that for almost a year but i am sure it is on its way to going completley out. I was going to start with the switch, then move onto the resistor.
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Unread 11-14-2012, 05:38 AM   #3
JPNinPA
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2005 LJ Wrangler 
 
Join Date: Feb 2011
Location: Dayton, Ohio
Posts: 2,254
Quote:
Originally Posted by TresMarkham View Post
My blower on my heating and A/C is not working. When I am driving air will barely come out but other than that nothing. A few months ago it only ran on high, and now if I hit a hard bump the high setting will sometimes kick back in. I'm pretty sure that it is either the blower motor resistor or the blower motor control switch. Any ideas?
Sounds like you may have more than one issue. First look over the motor wiring and ground, select switch and connection and connection at the resistor. Look for melted wiring. Once you get the high setting to work properly then look at replacing the resistor.
There are several posts on here with photos of what to look for.
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