... on, or is taking a lot longer to get up to full speed, then a new start capacitor is probably what ... for rest of the time it is turned on.On the left is a start capacitor. On the right, a run capacitor. ... on, or is taking a lot longer to get up to full speed, then a new start capacitor is probably what ... for rest of the time it is turned on.On the left is a start capacitor. On the right, a run capacitor. ...