Engine Alternator overcharging

[ac7880]

Have you checked all grounds on the coach (battery, frame, etc?)

Insecure grounds can do strange things to apparently unrelated
components.
Dan
94 BMC 37'
--- In WanderlodgeForum@yahoogroups.com, "jim matus"
wrote:
>
> I did that and it charged ok but after I hooked it up with the
sense
> wire it started overcharging and now it overcharges no matter how
you
> connect it so I guess the regulator blew again. Jim Matus 84FC35
> Rescue
CA --
> - In WanderlodgeForum@yahoogroups.com, David Brady wrote:
> >
> > Try jumping the alternator's sense wire to the battery positive
> terminal.
> > Your sense wire might be disconnected or degraded resulting in
high
> > resistance.
> >
> > David Brady
> > '02 LXi, Smokey
> > NC
> >
> > jim matus wrote:
> > >
> > > I am having a problem with my Leece-Neville alternator
> overcharging. I
> > > had it rebuilt as preventive maint.,it woked ok for about 800-
1000
> > > miles then it started over charging 15-15.5 volts & 80-100amps.
I
> took
> > > it back to the rebuilder and they said the regulator was bad so
> they
> > > replaced it. They told me to check the voltage to the small +
post
> > > under the regulator. I was getting about .75 of a volt less than
> > > battery voltage as measured at the big + post. I could not find
> where
> > > the volt drop was so I ran a new wire from the ignition operated
> > > solinoid above the throttle pedal. The alternator is still
> > > overcharging. We are supposed to leave on Friday for a 4000
mile
> trip
> > > so this is a big problem. Did Bluebird use a special regulator
> since
> > > they have Batt. power to the alternator all of the time? The
> rebuilder
> > > may have installed the wrong regulator. Thanks Jim Matus 84FC35
> Rescue
> > > CA
> > >
> > >
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