The 3 most common part(s) or condition(s) which cause the symptom Garbage disposer won't turn or run at all are listed below starting with the most likely. Check or test each item and watch any available videos.
To see parts for your garbage disposer, you need to enter your model number on the right. The system will then display parts that are associated with your garbage disposer.
On some models the stopper activates the start switch which is mounted into the upper housing of the garbage disposer. If the disposer won't turn or run at all the switch might be defective. The start switch can be checked for continuity and replaced if necessary.
If the garbage disposer won't turn or run at all the wall switch might be defective.
If the garbage disposer won't turn or run at all the motor might be defective. The motor is not replaceable. If the motor is dead the disposer will have to be replaced.