Ok i jump started a car that had a shorte in it some were.

The first thing to do is check all of the fuses. Start with the fuse block at the left side of the dashboard. If you don't find a blown fuse there you will need to access the electrical box next to the brake master cylinder. Inside you will find the main power relay and fuses. If you find and replace a blown fuse and the car runs but the stereo does not work you will need to remove the stereo to replace the fuse in the back of the stereo. This fuse commonly blows if jumper cables are installed incorrectly.