Won\'t turn over? I have been messing with my truck last night and today. I got it to run last weekend, but it overheated. I think I solved the problem (fan had a bad ground and was not turning on all the way). However it's now dead to turn over. It simply clicks. I bought a brand new Optima yesterday (I unhooked last night, and as of now as to not drain it, so I know it's not dead). I got a good deal on it, and needed a new battery (Die Hard died hard). I hooked it up, and just clicking. The starter is newer (I put it in last August, then the truck ran for a month before basically sitting until now). The solenoid, I believe it's ok. Cables are all good. Would spark plug wires cause this issue? I had to take a few off (trying to wrap them from the header heat) and might have messed that up (order), and I will check that in a while. But other then this, what else should I look at, and look for? I do have headers, but this is a cold start, no heat from them is even on the starter at this point. Thanks.