i did a battery relocation on my car and it did fine for awhile..the problem i have now is after the car runs for awhile, if i shut it off it wont start again..it starts fine first thing in the morning or if i let it sit for an hour or so..i have since done a 3g alt. upgrage,new battery and new starter and nothing has helped..does anyone have an idea of what could be wrong..i have checked all the grounds and replaced the parts listed above in order to try to find out what is going on..i am out of ideas so any help would be appriciated