Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
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heater?

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Old Feb 5, 2015 | 12:33 PM
  #1  
thatguy2000xj's Avatar
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From: Auburn, Washington
Year: 2000
Model: Cherokee
Engine: 4.0
Default heater?

so my heater motor only works on high does any one know why or how to fix it
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Old Feb 5, 2015 | 12:35 PM
  #2  
djb383's Avatar
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From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
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Fan speed switch has gone bad?.....needs to be replaced?
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Old Feb 5, 2015 | 12:55 PM
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Try flushing it out.
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Old Feb 5, 2015 | 01:19 PM
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djb383's Avatar
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From: The Republic of TEXAS
Year: 1998
Model: Cherokee
Engine: 4.0L HO
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Flush the heater motor????????
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Old Feb 5, 2015 | 02:02 PM
  #5  
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Sorry, flush the heater core. But that would only be if it's blowing air but not hot air. I may have misunderstood your problem.
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Old Feb 5, 2015 | 02:03 PM
  #6  
CCKen's Avatar
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From: Canton, MI
Year: 1999
Model: Cherokee
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Originally Posted by thatguy2000xj
so my heater motor only works on high does any one know why or how to fix it
Your motor Resistor Block is shot and needs to be replaced.
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Old Feb 5, 2015 | 02:12 PM
  #7  
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From: Wetumpka, AL
Year: 1987
Model: Cherokee
Engine: 4.0
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Originally Posted by djb383
Flush the heater motor????????
Lol good laugh for the day. X2^^^^ from Ken. Same problem with mine. Replaced the resistor and everything is peachy now. Used one from autozone..works fine.
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Old Feb 6, 2015 | 07:42 AM
  #8  
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From: Auburn, Washington
Year: 2000
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ya it just doesn't blow unless its on high and thanks guys i will go pick up a resistor and see if that does it.
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