Peter, First of all I would make sure tha your battery is good and that it is fully charged. Alternators are made to maintain the battery charge. I had the 90A motorola alternator in my car when I got it and my voltage dipped below 13, especially when the engine was hot. I bought a 130 amp DeLorean alternator several months later and the difference is phenomenal. My car runs so much better now because it has the power it needs. -Chris "Cameron, Peter" <cameron@xxxxxxx> wrote: My car (vin 3579) has been running fine (with expert attention from Rob Grady every now and then) since it came into my possession almost two years ago, has been a reliable daily driver, and I'm very happy with it. But... Couple days ago I noticed that voltage was dropping when I would turn on lights, fans,..., 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/