i have a buick 92 park ave ultra that died on me at the mall after being parked turned key over and nothing just dead lights turn on then dead no crank baught new battery and still nothing so i get it towed to my buddies shop and have everything from A to Z checked out all fuzes good ignition key is turned to on all lights on turn key to start (crank) nothing and no lights on so we find out that there is an engine mount brocken and caused the engine to sit on top of a wire coming from the firewall the wire was cringed and caused a short so we replaced the wire and ignition module and now the car starts fine with no problem except for the engine kill the car starts and idles for 2 sec then shuts off we have no idea on what could be causing this except for the factory antitheft witch might be turning it off the manual only explaines how to disarm the antitheft by using the factory radio witch i do not have anymore is there any ideas on how to disarm the factory antitheft with out radio or going to dealer or on what could be the problem here thanks