A/C and heater fan only work on high.
10-14-2012, 12:40 PM
#2
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Year: 1993
Model: Cherokee
Engine: 4.0
There is a fuse setup by the blower motor...they regulate the power that flows to it. High bypasses that and sends full power. Check that. Mine was bad to got one from the yard for $6
10-14-2012, 12:53 PM
#3
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Location: Tucson
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Year: 1993
Model: Cherokee
Engine: 4.0
This is usually the problem, it is not your fan speed switch or anything electrical, just a resistor/fuse that goes out and needs to be replaced.
10-16-2012, 12:06 PM
#6
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Year: 2000
Model: Cherokee (XJ)
Engine: 4.0
I just went through this yesterday, bypassed the fuse with my own fuse, welded in place and know I'm back to four blower settings!
10-17-2012, 05:25 PM
#7
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Year: 2000
Model: Cherokee
Engine: 4.0
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10-17-2012, 05:47 PM
#8
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Year: 1999
Model: Cherokee
Engine: 4.0
You should leave it how it is and get a lower motor resistor from rock auto for 12.00 bucks and call its day! Don't hackstuffupifyoudont haveto
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