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+--- Thread: Over charging alternator (/showthread.php?tid=4248)
Over charging alternator - ronmarabito2002 - 02-05-2007 04:23
I lost my alternators back in October from an over charge rate.
Re-built just one of the units and it charged correctly until
yesterday (1400 miles since re-build) and went to 16 volts and 100
amps output again. The other alternator was not connected and has not
been re-built. I found out that this can be caused by loosing the
circuit,(Open circuit) such as, losing the connection of the battery
cable on the alternator. Anyone know of a similar case that would aid
me in troubleshooting this problem.
Since the alternator is the front unit under the bedroom floor on
my 92WB40, I do not intend to remove the floor till I get home. I've
disconnected the alternator and now running my generator and charging
from the battery chargers. Hate to put that many hours on the genset,
but don't want to waste time during this trip trying to find what's
causing this problem.
Give me any thoughts you might have.
R.E. (Ron) Marabito, Dallas, TX 92WB40
Currently in Tucson, AZ and will be attending the Lone Star Birds
Rally in Kinder, LA the 16th of Feb.
Over charging alternator - Gregory OConnor - 02-05-2007 09:13
Ron , Wander if it had something to do with the solenoid that
disconnect and reconnect the alts to both banks. maybe there is a way
to hard wire it up to the start bat bank, and not run it to the dis
connect relay???(or repair the relay??). When My 94 starts up the
alts charge both banks and a light on the dash comes on. I am only
guessing that the alt outputs run to a relay/Solenoid before the
battery. I dont know if it is necessary to protect the alts from A/C
Chargers (heart). I will look for a BB charging sym if it will help.
GregoryO'Connor
94ptRomolandCA
--- In WanderlodgeForum@yahoogroups.com, "ronmarabito2002"
>
> I lost my alternators back in October from an over charge rate.
> Re-built just one of the units and it charged correctly until
> yesterday (1400 miles since re-build) and went to 16 volts and 100
> amps output again. The other alternator was not connected and has
not
> been re-built. I found out that this can be caused by loosing the
> circuit,(Open circuit) such as, losing the connection of the battery
> cable on the alternator. Anyone know of a similar case that would
aid
> me in troubleshooting this problem.
>
> Since the alternator is the front unit under the bedroom floor
on
> my 92WB40, I do not intend to remove the floor till I get home.
I've
> disconnected the alternator and now running my generator and
charging
> from the battery chargers. Hate to put that many hours on the
genset,
> but don't want to waste time during this trip trying to find what's
> causing this problem.
>
> Give me any thoughts you might have.
>
> R.E. (Ron) Marabito, Dallas, TX 92WB40
> Currently in Tucson, AZ and will be attending the Lone Star Birds
> Rally in Kinder, LA the 16th of Feb.
>
Over charging alternator - ronmarabito2002 - 02-05-2007 15:18
On my 92, alternators show charge on the Coach only unless the switch
is tying the two banks of batteries together. Can't remember for sure
if both showed charge regardless of switch position. Seems as though
they should. Might be something to investigate further. Thanks.
R.E. (Ron) Marabito, Dallas, TX 92WB40
--- In WanderlodgeForum@yahoogroups.com, "Gregory OConnor"
>
> Ron , Wander if it had something to do with the solenoid that
> disconnect and reconnect the alts to both banks. maybe there is a way
> to hard wire it up to the start bat bank, and not run it to the dis
> connect relay???(or repair the relay??). When My 94 starts up the
> alts charge both banks and a light on the dash comes on. I am only
> guessing that the alt outputs run to a relay/Solenoid before the
> battery. I dont know if it is necessary to protect the alts from A/C
> Chargers (heart). I will look for a BB charging sym if it will help.
> GregoryO'Connor
> 94ptRomolandCA
>
> --- In WanderlodgeForum@yahoogroups.com, "ronmarabito2002"
>
> >
> > I lost my alternators back in October from an over charge rate.
> > Re-built just one of the units and it charged correctly until
> > yesterday (1400 miles since re-build) and went to 16 volts and 100
> > amps output again. The other alternator was not connected and has
> not
> > been re-built. I found out that this can be caused by loosing the
> > circuit,(Open circuit) such as, losing the connection of the battery
> > cable on the alternator. Anyone know of a similar case that would
> aid
> > me in troubleshooting this problem.
> >
> > Since the alternator is the front unit under the bedroom floor
> on
> > my 92WB40, I do not intend to remove the floor till I get home.
> I've
> > disconnected the alternator and now running my generator and
> charging
> > from the battery chargers. Hate to put that many hours on the
> genset,
> > but don't want to waste time during this trip trying to find what's
> > causing this problem.
> >
> > Give me any thoughts you might have.
> >
> > R.E. (Ron) Marabito, Dallas, TX 92WB40
> > Currently in Tucson, AZ and will be attending the Lone Star Birds
> > Rally in Kinder, LA the 16th of Feb.
> >
>
Over charging alternator - jim riordan - 02-07-2007 05:03
Ron,
I have a 88 WLWB XXV 8V92 with two alternators. I had a similar problem with
my front alternator. I think that the regulator must burn out intermittent short
or something. I was getting a high charge rate and high aperage also. I replaced
both alternators as the rear one was shot, I have driven probally 2500 miles.
havn't had a problem since. The pulleys on my alternators are odd so don't just
give them up when replacing. We had to look around to find an extra one for my
back up alternator. The rear on in my coach is eaiser to replace than the front
one. I don't have a hole in the floor but do have an opening in front of the
engine that I stuff someone into, i just must have a rope tied to a leg so that
I pull out when repair is complete
Jim RIordan
'88 wlwb XXV
ronmarabito2002
I lost my alternators back in October from an over charge rate.
Re-built just one of the units and it charged correctly until
yesterday (1400 miles since re-build) and went to 16 volts and 100
amps output again. The other alternator was not connected and has not
been re-built. I found out that this can be caused by loosing the
circuit,(Open circuit) such as, losing the connection of the battery
cable on the alternator. Anyone know of a similar case that would aid
me in troubleshooting this problem.
Since the alternator is the front unit under the bedroom floor on
my 92WB40, I do not intend to remove the floor till I get home. I've
disconnected the alternator and now running my generator and charging
from the battery chargers. Hate to put that many hours on the genset,
but don't want to waste time during this trip trying to find what's
causing this problem.
Give me any thoughts you might have.
R.E. (Ron) Marabito, Dallas, TX 92WB40
Currently in Tucson, AZ and will be attending the Lone Star Birds
Rally in Kinder, LA the 16th of Feb.
---------------------------------
Be a PS3 game guru.
Get your game face on with the latest PS3 news and previews at Yahoo! Games.
[Non-text portions of this message have been removed]
Over charging alternator - ronmarabito2002 - 02-07-2007 15:33
Jim:
The regulator might just give up on its own, but I'm convinced
something is doing it. I looked at the charging system diagram and
see that other than a loose connection to the sensing line, it could
be a faulty ignition switch, since that is the source of the power.
I will be in Hondo, TX in a few days where Jack Pearce and I will
troubleshoot better. He is an electrical engineer. I'll spend a
couple nights there and we'll do something, even if it's wrong.
When that's done, I'll post on the forum with what we found or
didn't find and how we are dealing with the problem.
R.E. (Ron) Marabito, Dallas, TX 92WB40
P.S. I really appreciate all the reponses from forum members.
--- In WanderlodgeForum@yahoogroups.com, jim riordan
>
> Ron,
>
> I have a 88 WLWB XXV 8V92 with two alternators. I had a similar
problem with my front alternator. I think that the regulator must burn
out intermittent short or something. I was getting a high charge rate
and high aperage also. I replaced both alternators as the rear one was
shot, I have driven probally 2500 miles. havn't had a problem since.
The pulleys on my alternators are odd so don't just give them up when
replacing. We had to look around to find an extra one for my back up
alternator. The rear on in my coach is eaiser to replace than the
front one. I don't have a hole in the floor but do have an opening in
front of the engine that I stuff someone into, i just must have a rope
tied to a leg so that I pull out when repair is complete
>
> Jim RIordan
> '88 wlwb XXV
>
> ronmarabito2002
> I lost my alternators back in October from an over charge
rate.
> Re-built just one of the units and it charged correctly until
> yesterday (1400 miles since re-build) and went to 16 volts and 100
> amps output again. The other alternator was not connected and has not
> been re-built. I found out that this can be caused by loosing the
> circuit,(Open circuit) such as, losing the connection of the battery
> cable on the alternator. Anyone know of a similar case that would aid
> me in troubleshooting this problem.
>
> Since the alternator is the front unit under the bedroom floor on
> my 92WB40, I do not intend to remove the floor till I get home. I've
> disconnected the alternator and now running my generator and charging
> from the battery chargers. Hate to put that many hours on the genset,
> but don't want to waste time during this trip trying to find what's
> causing this problem.
>
> Give me any thoughts you might have.
>
> R.E. (Ron) Marabito, Dallas, TX 92WB40
> Currently in Tucson, AZ and will be attending the Lone Star Birds
> Rally in Kinder, LA the 16th of Feb.
>
>
>
>
>
>
> ---------------------------------
> Be a PS3 game guru.
> Get your game face on with the latest PS3 news and previews at
Yahoo! Games.
>
> [Non-text portions of this message have been removed]
>