Either something is draining your battery or you have a bad battery. The most common cause of battery drain is a problem in the courtesy light circuit. Here is a simple test: remove fuse # 12 and see if the problem goes away. PS: The defroster circuit only works with the ignition turned on. DMC Joe / DeLorean Services / <dmcjoe@xxxx> Web Site: <http://www.deloreanservices.com> ---------- > From: rickaye@xxxx > > i i went out to my delorean for a short trip to the store, i learned > that my battery was dead. since i have had the car, this has not > happened. i quickly jumped off the car and was on m way. for saftey > sake, i parked on a hill, in case there was a need to jump start the > car. well the trip to the store was find, so the altnator must be > fine. i was right though, i had to jump start the car . the trip home > was agian fine. i even cut the car off and then re started it. i > think that i may have accidently turned on the defroster button the > other day. is this what could have caused the drain on the battery? > also the battery is agian dead today. is this because i didn't put a > charger on the battery ? i thought that the trip to the store would > have allowed the altinator to have charged it enough. also does the > right side passanger door need the post extentions that shut off the > aviator lights on the doors? or maby is it that i just need a new > battery ? any help would be great. > > p.s. - does anyone know where to purchase the ultima battery. > > thanks > officer rick