Q: Q: My car won't start.

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What's wrong with my car? The battery is slightly a year old, I bought it brand new last August... just fyi...

My car has no power unless connected to another car via jumper cables. Even while connected it doesn't fully crank.. it can run the a/c (sorta) and play music, all the lights work, but it won't start. As soon as the cables are disconnected the car dies. What's wrong.

My car has 250000 miles.
My car has an automatic transmission.

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