Hello

I drove the car on friday, and i left it in the garrage until this morning, monday. When i went to go start up the car, nothing happened. I think the battery got drained or something, i didnt have the headlights on or anything. The lights are very dim when i turn them on.

Anyway, when i turn the key to the right, all i hear is this faint noise like a motor is running or something. but the car won't fire. There is no cranking at all. I tried boosting the car, and still nothing happen, can someone tell me some of the things I can check??

The battery is brand new, maybe 3 weeks old.

I have a 87' 300E.