Have the alternator and battery tested. If they are both good you have to clean all the connections. Make sure the belt on the alternator is not slipping too. Most places will test the battery and alternator for free. Try Sears. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, ComposerZelgadis@xxxx wrote: > Hello, list. Not quite sure where to start with this one, but it seems that > my car isn't producing enough electrical power. At highway speeds, > headlights and air conditioning OFF, I'll show 13 volts, sometimes a little below. > With headlights & air conditioning ON, also at highway speeds, it'll be in > between 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/