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Posted on Sep 12, 2008
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2000 cherokee sport blower motor control

Interior fan- "blower" works only at high speed and off, replaced a/c heater control assembly- problem remains. Haynes manual wiring diagram shows resistors for fan speed in the "HVAC unit". what and where is that and could that be the problem?

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  • 3 more comments 
  • ammobeeman
    ammobeeman Nov 10, 2008

    Blower fan does not work. Switch does not turn on fan in Low, Med or High position. Only getting power to the panel lights. No power to the other wires in the connector. Checked all fuses-all good. Don't know how to check relays...

  • e5_Portland Nov 29, 2008

    exact same problem. blower only works on high. there was a real faint whining on speed 2 for a while. then it stopped working. used speed 3 for a few months then it stopped working. high is all I have left.

  • Anonymous Mar 14, 2014

    2002 town&country rear heater motor runs only on high neither front or rear control affect speed of fan

  • Anonymous Mar 15, 2014

    heater blower motor speed control does not work

  • Anonymous Mar 19, 2014

    HAVE REPLACED RESISTOR TWICE

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  • Expert 73 Answers
  • Posted on Sep 13, 2008
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It is a bad blower motor resistor and it is mounted on the bottom of the A/C heater housing on the passenger side of the vehicle under the glovebox area. Hope this helps. Please rate this a fixya if it helps. Thanks.

Mike

  • Durand Crawford
    Durand Crawford Jan 23, 2014

    2006 Jeep wrangler x replaced fan motor resistor, console switches and fan motor resistor burned out in 1 min.

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2000 Chevrolet Impala blower motor work from 1-4 but not on 5th speed why?
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HVAC Blower Controls Circuit Description
The blower motor is a variable speed motor. The motor operates at a higher rate when voltage is increased to the maximum level.
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Jul 16, 2012 • Cars & Trucks
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AC and Heater fan will only work on high speed, all fuses good. any ideas thanks, Dave
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May 03, 2010 • 2000 Jeep Cherokee
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Jan 30, 2010 • 1996 Jeep Grand Cherokee
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I have a 98 cherokee sport and the heaters do not warm up at all and if they do then it will take a few hours plus the blower only works on high speed (4).
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Nov 21, 2009 • 1998 Jeep Cherokee
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The blower motor on my 2000 Jeep tj sport only works on the third setting. I replaced the blower motor resister and the problem remains. Any ideas?
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Oct 01, 2009 • 2000 Jeep Cherokee
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1answer

2000 jeep cherokee sport - a/c heat control fan stopped working - the blower resistor looked burned so I replaced it - no change - next I relaced the control module - no change - the two related fuses are...
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Jul 03, 2009 • 2000 Jeep Grand Cherokee
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Interior fan won't run to run A/C or heater. I
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Jul 02, 2009 • 1998 Jeep Grand Cherokee
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Jan 14, 2009 • 2005 Jeep Grand Cherokee
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