check the blower motor resistor
try changing the fuses for the blower or maybe the motor blower itself or the blower resistor.....................
Most of them are visible if you drop the glove box door.
how do you replace head lights on my 1999 oldsmobile alero?
Blown blower motor fuse? Bad blower motor or resistor? Check to see if you are getting power to motor - if so motor is bad if not check fuse and/or resistor Bad switch?
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Defective Blower Motor Resistor Pack.
it is underneith the passanger dash above the black panel under the dash behind the blower motor
i just put some 24" sony steros in my alero
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IF YOUR TALKING ABOUT YOUR A/C OR HEAT, YOU HAVE A DEFECTIVE BLOWER MOTOR RESISTOR
Blown blower motor fuse? Bad resistor pack at blower motor? Bad fan switch?