2. Remove the cover from the blower motor resistor. There may be one or two screws holding the cover in place.
3. Remove the blower motor resistor. It is usually held in place by one or two screws.
4. Inspect the blower motor resistor. Look for any damage or corrosion.
5. Replace the blower motor resistor if it is damaged.
6. Reinstall the blower motor resistor and its cover.