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The heater blower motor on a 1999 Subaru Impreza is in the engine compartment on the passenger side of the vehicle. It is located on the firewall.
You'll find the heater blower motor resistor in the heater/air conditioner compartment. This compartment is location underneath the dashboard. This is the part that allows the heater blower motor to change the fan's speed.
Check to see if you are getting power to the blower motor - if so motor is defective if not problem in circuitry to blower motor
The Heater/Blower Relay is on the blower motor housing under the dash in the passenger compartment on 1999-2002 models
The blower motor resistor is defective. They go bad when the blower motor pulls to much amperage.
You can test your heater blower motor by connecting a ground wire to the ground. Connect a power wire, from the battery to the positive post. If the blower motor turns it is working, and if it does not it is bad.
there is a resistor that controls the speed and should be near the blower motor its called blower motor resistor
Under the passenger side dash. It's awkward to get to, but it's there.
It should be in the heater blower motor case which is located under the glovebox.
Yes, located in the blower motor resistor pack. Follow the wires backward from the blower motor to find it.
Check the fuses.If not the fuse, test the resistor down by the blower motor.
Blower motor resistor has failed