Alternator/Voltage Regulator problem

[Stephen Birtles]

Check the regulator

Stephen 77fc35


--- In WanderlodgeForum@yahoogroups.com, "bbwlwb88"
wrote:
>
> I am having an intermittent problem that started about 3 weeks ago.
> Sometimes, when starting the engine, my alternator pegs at maximum
> output (300 amps) and the coach batteries peg the gauge at maximum
> voltage charge (18 volts). The cranking batteries charge shows only 12
> volts when this happens which indicates to me they aren't charging at
> all . If I shut down and restart the engine several times, the
> alternator and the charging voltage on the coach batteries and engine
> cranking batteries eventually will work correctly. Normally, when
> starting this coach, the engine starts and the alternator goes to 300
> amps and then drops quickly to normal output (30 to 40 amps) and the
> coach batteries, as well as the engine cranking batteries, charge at
> their normal level (about 14 volts). The engine is a Detroit Series 60
> with the large alternator.
>
> I would appreciate information on what should be done to identify and
> correct this problem.
>
> Royal Washburn
> '97 43'WB
>