Step1: Turn off power to the HVAC system at the breaker to prevent electrical shock.
Step2: Remove the access panel from the furnace or air handler.
Step3: Disconnect wiring and note connections on the old motor.
Step4: Loosen mounting screws or brackets and remove the old blower motor.
Step5: Position the new blower motor in place and secure with screws or brackets.
Step6: Reconnect all wiring according to your notes.
Step7: Replace the access panel, restore power, and test for proper rotation and airflow.