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It is the blower motor resister that shorted open. it is retangular in shape and is usually by the blower motor behind the glove box. It have two or sometimes 3 bolts holding in it.
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∙ 15y ago
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The blower motor on your 1990 ford aerostar seems like it only works when it is on max ac how can you get it to work on the other selectionsshould you replace the blower motor or is there a wayto test?
If you are saying that the blower motor only works on the high speed setting, then the Blower Motor Resistor is defective and needs replacing.
Pontiac Grand Am 2000 fan only works on high?
Check for a bad blower resistor at blower motor
Why is your blower only works on the highest setting on your 2001 Dodge Durango Sport?
You need to replace blower motor resistor.
The AC on your 1995 Grand Cherokee Limited only works on the Hi blower setting How can you fix it?
Blower resistor pack broken?
Heater motor only works on high speed in 2001 ford ranger?
Normally when a heater blower motor only works on the High setting, it is caused by a defective Blower Motor Resistor Pack. The fix is to, Replace it. In very rare instances it can also be a defective blower motor speed control switch, but rarely.
How do I fix 1997 k1500 Chevy truck blower that only works on high fan setting?
The blower motor resistor pack is defective. Replace it.
Why does your blower motor in Toyota Camry works on only high?
the resistor for the blower motor is busted blower works on high with out it
Pontiac GT 1998 the blower fan only works on 345 setting can you tell me what the problem might be and where in the car do you go to fix it?
The Blower Motor Resistor Pack is defective. Follow the wires from the Blower Motor to find it.
Heater fan switch works only on the highest setting?
The blower motor speed resistor is burned out. You can replace only the resistor but the resistor probably burned out because the blower motor is going bad. If you want to fix it for good, replace both the blower motor and blower motor speed resistor.
How do you fix the fan motor or dial that only works on setting 4 fuse intact 1997 pathfinder?
Check the resistor at the blower motor
I replaced blower motor on 2002 Pontiac grand prix was'NT working at all now only works on high speed?
blower resistor
The heater in the 1999 grand am is being funny it had no heat a new fuse help but it only works on number 5 what needs replace now?
If the blower motor only works on high speed, which in your case is speed 5, it is a definite that the blower motor resistor needs to be replaced. When choosing all the other speeds the current travels through a certain resistor, which in turn slows down the speed of the blower motor. High speed is direct 12 volts to the blower motor. So when it works only on high speed there is a 99.9% chance that the blower motor resistor is shorted or blown and needs to be replaced I have a 99 grand am as well and I have heat but it only works on setting 5. I replaced the resistor last night and it was horrible(broken, melted, discolored) Put the new one in and still no heat on any setting but 5. I am going to replace the climate control panel to see if that is the issue in my car. If you have no heat you may want to consider adding antifreeze. Sometimes the grand am's have bad coolant sensors.
