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replace blower motor resistor. It is under the passenger side foot well.
Remove the wiring harness from the back of your 1999 Chevy Monte Carlo blower motor. Remove the blower motor retaining bolts. Remove the fan on the front of the blower motor. Reverse the process to install the new blower motor.
Blower motor: remove the glove box and you will see the blower motor and blower resistor.
depends if you are doing it your self the blower is bout 100 and i did mine in a hour
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.
On the passenger side up under the dash locate the blower and unplug the wires remove three screws (8 mm ) and drop the motor down and replace
it is on the firewall and difficult but not impossible to get to and replace.
From what I have read online, it should be near the actual blower motor under the dash. They say it is easy to replace, but hard to get to. I plan on replacing mine as soon as I get paid.It is behind the blower motor...How_do_you_replace_the_resistor_on_the_blower_motor_of_a_2002_Buick_Century_The_fan_works_are_on_higher_speeds_only_Does_not_work_on_low_speeds
Bad head unit. If your fuse number 17 keeps blowin, that is why also.
oil barring on 1998 Toyota Avalon blower motor?
three screws accesible under dash on passenger side.
Blower motor resistor is the most common problem. it is held in by 2 screws under the glovebox area. Easy to replace.