there is a possibility that your speed control switch could be faulty. use a standard volt meter and check the positive leads on the blower motor. turn the blower on a lower setting that you know works. Then check the volt meter reading while the blower is on low.The reading should be lower than 12volts. turn the speed control knob to high to verify you are getting voltage on high. If there is no voltage present on the high setting you need to replace your climate control unit( the speed control unit)
If the above doesn't work,
Another much more common answer; Had the same situation on 3 of my Crown Victorias, years from 2001-2003, The blower motor resistor may have gone bad. The symptoms are usually 1 or more settings on the blower motor do not function properly. This is located under the hood mounted on the passenger side firewall next to the heater core hoses with four 7mm bolts. This unit normally rusts up and needs to be replaced. The unit is approximately $20 and can be purchased from the dealer. The area is a little tight, but best bet is to disconnect the heater core hoses and put a rag in them to stop the flow of sitting antifreeze. Disconnect the plug on the old blower motor resistor and replace the new resistor. The plugs fry up, so be careful when removing them. The plastic breaks easily.
Be sure to disconnect the negative battery cable before attempting this procedure.
If the blower runs on high it will get hot. If the blower is wearing out this will cause it to get to hot and blow.
Replace the high speed relay.
needs new blower resistor
The blower motor resistor is defective.
More than likely the blower motor speed resistor burned out.
the blower resistor is bypassed on high. a direct path to ground. if high is the only operational speed the resistor is bad.
blower motor resistor is bad
Sounds like your Blower motor resister, it controls the voltage to your blower motor, controlling the speeds, if you always have it on high, med ect. that speed is more likly to burn out first
A cattle blower is actually an "industrial" type blow dryer for cattle. When cattle are shown in competition, they are washed and then they use the blow dryer on them, otherwise known as a cattle blower.
you need a new blower motor resistor
Defective blower motor, blower motor resistor pack, or blower motor speed control switch.
Blower speed resister is burned out.
The blower motor speed resister is probably burned out.
fuse, wiring, blower motor, blower motor switch, blower motor resistor
it wont blow heat itll blow cold air
I work for a GM dealership, and referring to this vehicle, that is most often the blower motor starting to fail. If the blower resistor failed, it would probably not blow at all at certain speeds.
the resistor for the blower motor is busted blower works on high with out it
Bad blower resistor? Bad low speed relay? Bad switch?
Blower motor resistor may need replacing
Yes it does power has to go thru it first and if current is to high it will blow the resister as like a fuse
Blower resistor needs replacementRelay for low speeds needs replacementBlow motor needs replacement (one of the 2 windings burned out)
Check the blower motor put the fan on and see if it blows on high if it doesn't replace the blower motor if it does blow high replace switch
just had the same prob...it is a blow resistor or fuse..took mine to the mechanic next door and he told me but i forgot...didn't cost much to replace
If it does not blow cold air, the system may be low on freon. If the blower motor doesn't seem to blow much air out the vents, one possiblity could be obstructions in the duct work such as mice have built a nest (not uncommon). Also the high speed relay for the blower motor could be burned out.
Blower motor switch. Put it on High and it will blow when sitting still with the engine running.