does motor go bad
Intermitant motors should be replaced. From experience, relays and transformers rarely go out. It is usually the motor that burns out and it usually does so quickly when at life's end. Take the time to check all of your wire connections-hours can be spent diagnosing a vacuum only to find out it was a bad connection.ntermitant motors should be replaced. From experience, relays and transformers rarely go out. It is usually the motor that burns out and it usually does so quickly when at life's end. Take the time to check all of your wire connections-hours can be spent diagnosing a vacuum only to find out it was a bad connection.