"Michael Pardee" <michaeltnull@cybertrails.com> wrote
snip but comments noted
> I'm sure if the Volvo and the Nissan didn't have dash voltmeters I
> wouldn't have known anything was wrong until the battery gave me real
> trouble. I suppose I might have been lucky enough to see the headlights
> dimming a bit once in a while, but I dunno.

Good idea. I agree one might see the headlights dimming (or, really, any
electrical funny business) with voltage dips as serious as that implied by,
say, failing brushes.