In most cases, the fuse is burned out. You should check this first. Pin On Antique Cigarette Cases And Misc I'm not entirely sure i replaced the correct fuse, since i had to look up the fuse diagram online. Why is my cigarette outlet not working . Which outlet is not working? Both of the cigarette lighters/12v power outlets in the car don't work. If a 12v outlet cover has a picture of a key on it, that outlet only works with key on. If it's not blowing the fuse it's not a short, it's an open circuit (something has come apart). Where is the fuse for the accessory outlet? If your 12v socket is actually an accessory socket and not a cigarette. In case you do not have anything to test, plug the lighter, and activate it by lightly pushing it in. This action will reset the breaker. Whatever be the reason, the lighter sockets also offers several useful services such as charging gps device, cams, phones, etc. Some people call it a cigarett...