Home › Forum › Ask A Member › Can a vacuum switch be tested by sucking on it with mouth? › Reply To: Can a vacuum switch be tested by sucking on it with mouth?
October 29, 2019 at 5:53 pm
#186111
If you are testing the switch off the motor, I would say you have an internal short. If it is wired up on the motor, the breaker points may be closed.


