Why does my car click when I try to jump-start it?
Why does my car click when I try to jump-start it? A rapid clicking noise when trying to start your car could mean there's something wrong within the electrical system. Perhaps your battery's dead, or your alternator, which charges the battery, isn't working correctly. You may need to replace your alternator or battery. Why does my car click but won't start unless jumped? Car wasn't starting after sitting overnight unless I jumped it so I took the battery in to be tested and it tested bad. Replaced the battery and the +connection, car started fine for a couple days. This...