Very good idea to run the car without alternator. That's the worst case test that is done to any electronic device in a car. It's called Load dump ! An alternator without battery will produce about 100V or more for a few seconds. Congratulations, you probably fried most of your electronic devices on your car ! Why didn't you just measure the standby current drawn from your battery ? A cheap 10$ DMM is all you need. Elvis & 6548 Had my battery die on me, NEW Q.State Twice! YES TWICE! TWO DIFFERENT BATTERY'S 12.66 Volts! Second battery lasted two weeks until the car sat more than two to three days it died completely no lights, no gages, no nothing any suggestions? Until Jumped, but I suspect it to die any time now! Is the ALT. the cause or is it a constant drain on the batt. and WHERE would I start to look for the drain? Never really had a problem before? I have AC DELCO Cad. Alt 140 AMP. installed about two years ago! The Delorean does run off the ALT. if the battery is disconnected, although I know it is not the best for the ALT. just to see. To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/