"Rob" <robbieturner@yahoo.com> wrote in message

> When attempting to start the car the first turn of the key lights the
> ignition lights and the stereo goes on, then when you make the final
> turn of the keys you hear a click, all power goes out and nothing else
> happens. Turning the ignition to off and back on a second time does
> absolutely nothing and there is no power whatsoever inside the car.
> The only way to attempt to start the car is to open the car door where
> it seems to reset something and then it allows for a try at ignition.
> There is no alarm on the car so I don't believe it to be a ignition
> kill issue. The battery seems to be working fine except for this
> periodic issue. The only recent work to the car has been the
> installation of a new car stereo. <snip>

It sounds as though the battery positive or ground terminal posts
cuts out when the load from the starter kicks in. Opening the
door either shook back the connection or was just coincidental.
Try securing the battery posts.