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The variable rheostat for the blower motor is shot and needs to be replaced. It's on the firewall, near the heater blower, either in the engine compartment or up under the dash. Follow the wires from the blower switch and you'll find it.
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∙ 16y ago
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I have a 2004 Chevy Colorado blower motor only works on high speed only?
Probably your blower motor speed resister is burned out.
If 2000 dodge ram heater blower motor has high speed only what is the issue?
If it has only high speed, the blower motor resistor has to be replaced to get all speeds back.
What is the purpose for the relay fuse for the blower in the 1993 Cadillac deville?
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If you are referring to the blower motor only working on the high speed setting, then the problem is the blower motor Resistor Pack is defective. Replace it. It can be the blower motor speed control switch but not likely.
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The blower motor speed resistor is burned out.
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Only for the high speed. The lower speeds are controlled with the use of a blower motor speed resistor.
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More than likely the blower motor speed resistor burned out.
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I would suspect the blower motor speed resister is shot.
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If the one speed it works on is high speed, it is the blower motor speed resisitor that is bad.
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The blower motor speed resistor is burned out.
What would cause the blower motor on a 2001 Malibu to work only at high speed?
Probably a bad blower motor resistor
Does blower motor relay make fan run?
A typical blower motor relay only operates the high speed function.
