Hi Jeff,
Open the door. Push and hold the door switch, push the start button and move the drum manually.
If it will run then the motor is bad and has to be replaced.
- The part number for the motor is
AP285874
Here are the break down diagrams for the Maytag dryer
Model MDG3000AWW
Gene.
P.S. Probably you need someone to help you with this test.
