You need to install the
Blower Motor into the motor cup that was cut out of the lower case, install the blower motor nuts, attach the service ring to the motor cup with the screws included in the kit, install the blower motor and service ring into the HVAC module using the screws included in the kit, install the lower blower motor cover, then install the lower blower motor cover retaining screws, and connect the blower motor electrical connector.