car won't start (07 altima)

[pw145297]

Yesterday I turned my car off to go in the store, I came back my car wouldn't start. I put my intelli key in the port and it started. Later when I tried to start my car it wouldn't again. I replaced my batteies in my keys and it started fine. The next morning my car wouldn't start at all. I got my battery recharged and still wouldn't start. I jumped it off and it started. Once the cables were off the car it wouldn't start anymore. The only way it will start is with the cables. Whats wrong with my car????

[otto888man]

Did you checked the output voltage of the alternator? It should be 13volts & up when the engine is revved more than 2000. It could be a bad alternator. Or a blown fuse.

[beeristasty]

perfect storm of bad batteries? like otto mentioned, go to autozone or whever and have the alternator checked, as well as your car battery.