cited numbers probably have nothing to do with the battery. voltage across
battery should go back up at higher rpm, otherwise alternator is probably
at fault.

dlk

On Fri, 16 Jan 2004 22:46:10 -0600, Wesley Alden Pegden
<wes@CS.UCHICAGO.EDU> wrote:

>Hey guys,
>I've been having some dying battery issues lately.  Anyways, I replaced my
>battery under my autozone warranty.  At an idle, with no headlights or
>heaters or anything on, I'm reading something like 13.1V over the
>termainals.  Turn on some headlights, the heater fan, and maybe the rear
>windshield defroster, and its closer to 12.5V or 12.6V.  Are these numbers
>about right?  The alternator's new (rebuilt) as well, as of just before
>christmas.
>
>thanks,
>wes
>'84 vanagon