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If the heater fan only works on speed 5 in a 2001 silverado what is the problem?
Wiki User
∙ 15y ago
Sounds like the blower motor resistor. Should be near the blower motor under right side below glove box!
Wiki User
∙ 15y ago
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Heater only works on high speed?
The heater motor speed resister is burned out.
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Bad blower resistor?
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The blower motor speed resistor is burned out.
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Need make, model and year of car.
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The blower motor speed resister may be burned out.
