Originally Posted by GraphiteGhost

Be very careful of the number of times you try to start the car. There is a limited number of tries before the computer 'thinks' it is being stolen and fries the ECU. I would also check the RELAY contacts on the RCM, as some of them have badly burned the contacts to the point of it not starting. Good luck, get a new battery and clean the posts/clamps, and keep us posted!