There are soooooo many things that could cause the light to come on at idle, in gear, that it is too much to take a shot. It could be as straight forward as your idle is too low - but that is a whole set of other issues. We need much more info. Like what is the rpm in gear and at idle? What are the volts - at idle and driving? Anything else noticeable? Has the electrical system resistance been checked? Harold McElraft - 3354 --- In dmcnews@xxxxxxxxxxxxxxx, "rydelo81" <rydelo81@...> wrote: > > hello. sorry to keep perpetuating the battery/alternator discussion. > just having a problem. i just put in a new battery. now i notice that > whenever i put the car in reverse or drive, at times the rpms drop and > then go up and the battery light comes on. as soon as i start driving > it's fine and the light goes off. i'm sure i need a new alternator. > but just wanted to check and see if any of you think it's a different > problem causing this. sorry if this is stupid, but does putting the > car in drive or reverse put more strain on the alternator, and will > getting a new one fix the problem? in park or while driving it's > fine. thanks for any help you can offer. ryan the newb out. vin3932 > 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/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> 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/