Blower Motor Operation:
A small electric motor and fan assembly that's RPM-regulated by a slide control rheostat that provides fan speeds from low to high. It powers the blower fan or squirrel cage to force air through the heater core or A/C evaporator core and into the passenger compartment.
How To Instructions:
- Check for obvious problems.
- Give it an in-depth diagnosis.
- Out with the old, in with the new.