K.....69 camaro. Fitech feul injection 572 bbc ,aaw wiring harness and tilt wheel with oem steering column .One day i realized that i had a dead battery. Changed it and realized all my gauge lights and my lcd screen for my feul injection were all on with the key off. Fired it up ran fine but went to shut it off and it kept running.disconected the battery....still ran. Had to pull the coil wire off to get it to stop. Anyone got a clue where i should be start?