Alternator is fine, what you need is a new battery.
Bob
"Tibur Waltson" <Toush@hi.com> wrote in message
news:3c6ef977c6e834d280c29ce6a4a2aa8b@news.bubbane ws.com...
> Today I load test the alternator by an instruction in an aftermarket
repair
> manual. The instructions says to turn on headlights, defoggers, fan,
radios,
> cigarrete lighter, etc and measure the voltages. It reads 13.6V at 2000
rpm
> or 11.2V at 750 rpm. It's within normal range according to the book. But
the
> headlight seems a bit weak unless rpm is above 1300 rpm or sometimes it
just
> too weak for the starter. We hardly drive in the highway. It has an alarm
> system. Is the alternator fine?
> TIA
> Tibur
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