[djcorrosive]

Hey, guys, this problem pertains to my 2003 Grand Am SE. It goes back about 6 months to my first post here, where I had just purchased a new battery, and my car was dead just a few weeks later. It was suggested that I jiggle the terminator post and the wiress leading to the battery. I jiggled the bunch of wires connected to the + (I think? The red side) side of the battery, and the car started right up.The problem dissapeared for about 3 months, then re-occured. Again I jiggled the wires, and the car started immediatly. Then about a month later, again it happened, and it's been happening more frequently, up to the point where every time I try to start the car it seems dead, only now jiggling the wires won't work, although my lights will immediatly turn on, it just doesn't have enough juice to start. Jumper cables have been working. What would be the most inexpensive way to diagnose the problem? I would like to have an idea of what wire(s) are shorted out (or whatever the problem might be) before I take it in to the shop, as I know little about cars, and to not be taken advantage of? Thanks in advance & sorry for the long post!