Originally Posted by CraZyDriVer868
i just dont get why it starts once you put the cables on... but i can turn that thing sometimes 5....6 times before it will start!
If jumper cables will help it along, I'd say the solenoid isn't engaging unless it gets full voltage.
Try cleaning the cable connections, especially down at the engine ends, and see if that helps. Dirty battery terminals might be the problem too, since your jumper cables will be connecting the second battery beyond the point where the main battery has its bad connections.
When cleaning the side-terminal battery connections, be sure to get the bolt out of the cable end and clean the contact ring underneath.