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98 explorer blower stuck on high


Donnymo

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May 24, 2013
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Year, Model & Trim Level
1998 ford exporer
Hello. New member here. Decided to post my own question since I can't seem to find a precise answer. I have a 1998 explorer Eddie Bauer 4.0 v6 sohc. The a/c blower had started working only on high and when I tried to lower the speed it would switch off. When I switched the speed back up it would go straight to high again. Also, when switching the speed lower, i could hear a click coming from under the passenger side dash. I read up on this matter including posts on this site and the consensus seemed to be the problem was with the blower motor controller/resistor. I purchased a new one and replaced it. Worked fine with all the intermittent speeds. A couple days later the blower started blowing on only high and will not even turn off now. No more clicking under dash either. So I'm wondering, is the new controller I bought just another bad one? Or is there a problem with the motor itself? The blower relay? Or blower switch?
 




tenny

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March 12, 2013
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LI NY
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2001 mounty
sounds like the motor itself is drawing too many amps causing the resistor to melt..

when it melts it goes into a kinda of "limp mode" and gives the motor a straight 12 volts.

i would replace the motor and the resistor...

good luck
 




penske2584

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June 28, 2013
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1996 Explorer AWD 5.0V8
sounds like the motor itself is drawing too many amps causing the resistor to melt..

when it melts it goes into a kinda of "limp mode" and gives the motor a straight 12 volts.

i would replace the motor and the resistor...

good luck
I agree. I had a car with the same issue. The solution was the same.
 
Last edited:




Donnymo

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May 24, 2013
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1998 ford exporer
Replaced the resistor again along with a new blower motor. Seems to have done the trick. Been working fine for a couple months now. So far so good.
 




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