Connect the battery voltage and check the blower motor rotation.

If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.

Replace the blower motor if it is proved that there is a problem with it.

Disconnect the negative (-) battery terminal.

Disconnect the blower motor connector (A) and then remove the blower motor (B) after loosening the screws.

Install in the reverse order of removal.