If you plug it in, and it doesn't work, there probably isn't power to the socket. Try plugging in the cigarette lighter - If you still have the cigarette lighter that came with your car ...

Here's how to do it: Plug the ... clamp from the battery post first. Remove battery terminal protective covers. Loosen the ...

CIGARETTE LIGHTER SPLITTER ADAPTER - Splits 1 car cigarette lighter port to 2 DC ports, 1 cigarette lighter male plug to 2 female sockets. A 2-Way cigarette lighter splitter adapter extension cord ...

If you need to charge a car full of gadgets at once, more expensive adapters with multiple ports are available, but these tend to be larger and have a cable to plug into the 12V socket.