There should be a small bead of solder on top next to the "identified" terminal, line voltage lead will go to that terminal. It has been a long time for me, so verify my info with someone more up to date. On second thought, the identified terminal is connected to the run terminal on the motor. Connecting it backwards can cause gases to build up and failure. of course, if the capacitor is in the start winding circuit, the same applies. Incorrectly and voltage can stay applied to the winding even when stopped.