How do you replace blower motor on 2001 Peterbilt 379?

To replace the blower motor on a 2001 Peterbilt 379, first disconnect the battery to ensure safety. Remove the dashboard panel to access the blower motor, then disconnect the electrical connector and unscrew the motor mounting bolts. Take out the old blower motor and install the new one by reversing the steps, ensuring proper alignment and secure connections. Finally, reattach the dashboard panel and reconnect the battery to complete the installation.