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More than likely the blower motor speed resistor is burned out.
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∙ 16y ago
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Why does my high speed fan works but air is only at half speed?
Could be a resistor problem.
Air conditioner only works on high fan speed why?
Unless it is a high efficiency model 14 SEER or greater, it is only supposed to run on high speed in a/c mode and low speed in heat.
Why does my Fan blower in my 2004 jeep only works on high?
There is a resistor near the blower that is bad, known cause is high speed only.
How do you change the fan switch on 1999 Mercury Cougar?
Why are you replacing the switch? If the fan works only on high speed, replace the fan resistor. There was a TSB for this.
Fan speed only works on high on a 94 town car?
That would be caused by the blower resistor.
What is wrong if your blower fan motor only works on high speed on a 2002 Chevy suburban?
blower resistor is bad
Avalon Ac works only on high?
Be more specific, if the fan speed only works on high then it is most cases a bad resistor board for the fan, a $10-20 part, available from an advance, murrays, or lee or similar auto parts store.
What is the problem your fan and ac only works on speed 4?
Your fan motor is going out.
The blower of your Focus works only at high speed Also AC does turn on What could be happening?
(1) Faulty fan switch -OR- (2) the resistor on the circulating fan has gone bad.
What are the symptoms of a heater blower resistor gone bad in a 2000 dodge ram van?
Blower fan inoperative or only works on high speed.
What might cause the heater and air conditioner on a 1999 Mercury Cougar to cease functioning?
If you mean the fan - replace the fan speed resistor if the fan only works on high speed. Please supply more information - no heat or cooling? Does fan work? Does mode switch work?
2002 gran prix blower fan works on high only?
Low speed (1-4) relay bad Switch bad Low speed motor winding bad
