I had replaced the alternator a couple of years ago. If the battery is low
and I can start the car or have to jump the car the alternator would normally
be able to keep the car running. In my case it seems that it does not provide
enought power to keep the car running and charge the battery. After a while
of idling the car will stop no power. When I test the alternator it is
producing more than enough voltage. At the battery the voltage may not
increase until the battery gets a little charge and the idle is higher than
normal. It seems like the individual components are working correctly, but
not working well together. I do not believe it is a voltage regulater
issue, but it could be. I have had the battery tested and it was OK. I do not
believe a higher voltage alternator would make a difference since it test out
OK. I still have a battery drain that is the main cause of having this
problem. It seems I have to keep my battery charger connected since I will
most likely have to plug it in again to charge the battery. Any suggestions?
Greg 0036
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