you have a bare wire touching on your blower motor
The A/C - Heater blower motor will be located on the passengers side behind the glovebox and you will have to loosen the dash on that side and pry it up very carefully.......
it is on the passenger side conner on the fire wall
possible rear heater blower wheel has broken center hub!
Heater core
The blower motor is failing and will need replaced.
how to change heater core in 98 suburban
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
Remove the wiring harness from the back of your 2005 Chevy Cavalier heater blower motor. Remove the heater blower motor retaining bolts. Remove the heater blower fan.
Check the fuse and blower relay first. Make sure that there is power getting to the blower motor before changing the motor.
where is the heater control valve on a 1994 2500 suburban
Test the resistor bank before getting into anything else. These are the speeed controls for the blower motor.
Heater blower resistor is what controls the low medium high speeds...