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+--- Forum: WanderlodgeForum (/forumdisplay.php?fid=63)
+--- Thread: No amps reading on #2 alternator (/showthread.php?tid=351)
No amps reading on #2 alternator - ronmarabito2002 - 04-21-2005 15:10
Today we checked out further the output of a re-built alternator on my
92WB. Found out it is putting out just fine, but not indicating at
the ampmeter on dash. We determined that the instrument was O.K..
George at BB indicated problem could be circuit breaker or Bosch
Relay. No problem with circuite breakers, but unable to tell which
Bosch Relay is involved.
There are 6 in a row in the battery compartment and all are wired the
same and with color codes that are identical. Short of trial and
error replacement, anyone have any experience with the problem or know
which relay it is?
Thanks,
R.E. (Ron) Marabito, Moderator
No amps reading on #2 alternator - Tom - 04-21-2005 15:28
Ron there should be nothing between your alternator and the amp meter other
then the shunt. When the current from the alternator passes thru the shunt
it produces a very low voltage drop across it proportional to the current
and its this voltage that is read by your dash amp meter. I suspect you may
have a wire off at the shunt or a bad connection(wire) between the chassis
and the dash. What year is your coach?
Tom
1982 FC35
Vernon Center,NY
In the beautiful Mohawk Valley
\At 03:10 AM 4/22/2005 +0000, you wrote:
>Today we checked out further the output of a re-built alternator on my
>92WB. Found out it is putting out just fine, but not indicating at
>the ampmeter on dash. We determined that the instrument was O.K..
>George at BB indicated problem could be circuit breaker or Bosch
>Relay. No problem with circuite breakers, but unable to tell which
>Bosch Relay is involved.
>
>There are 6 in a row in the battery compartment and all are wired the
>same and with color codes that are identical. Short of trial and
>error replacement, anyone have any experience with the problem or know
>which relay it is?
>
>Thanks,
>
>R.E. (Ron) Marabito, Moderator
>
>
>
>
>
>----------
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No amps reading on #2 alternator - ronmarabito2002 - 04-21-2005 15:37
Tom: I have a 92WB40. According to George in service at BB, when
the wire comes off the shunt, it is routed through a circuit breaker
and relay on this coach. Alternator #1 shows up just fine, but not
Alternator #2. I believe the dash switch probably controls the
relay switching between the two alternators.
I have not check the switch, and I guess that could be possible, but
when we switched output wires from the alternators and I got a good
reading then for #2 which was actually #1.
R.E. (Ron) Marabito, Dallas, TX 92WB40
--- In WanderlodgeForum@yahoogroups.com, Tom
> Ron there should be nothing between your alternator and the amp
meter other
> then the shunt. When the current from the alternator passes thru
the shunt
> it produces a very low voltage drop across it proportional to the
current
> and its this voltage that is read by your dash amp meter. I
suspect you may
> have a wire off at the shunt or a bad connection(wire) between the
chassis
> and the dash. What year is your coach?
>
> Tom
> 1982 FC35
> Vernon Center,NY
> In the beautiful Mohawk Valley
>
> \At 03:10 AM 4/22/2005 +0000, you wrote:
>
> >Today we checked out further the output of a re-built alternator
on my
> >92WB. Found out it is putting out just fine, but not indicating
at
> >the ampmeter on dash. We determined that the instrument was O.K..
> >George at BB indicated problem could be circuit breaker or Bosch
> >Relay. No problem with circuite breakers, but unable to tell
which
> >Bosch Relay is involved.
> >
> >There are 6 in a row in the battery compartment and all are wired
the
> >same and with color codes that are identical. Short of trial and
> >error replacement, anyone have any experience with the problem or
know
> >which relay it is?
> >
> >Thanks,
> >
> >R.E. (Ron) Marabito, Moderator
> >
> >
> >
> >
> >
> >----------
> >Yahoo! Groups Links
> > * To visit your group on the web, go to:
> > *
> >
<http://groups.yahoo.com/group/WanderlodgeForum/>http://groups.yahoo.
com/group/WanderlodgeForum/
> >
> > *
> > * To unsubscribe from this group, send an email to:
> > *
> >
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> > <http://docs.yahoo.com/info/terms/>Yahoo! Terms of Service.
No amps reading on #2 alternator - Tom - 04-21-2005 16:20
Ron I am not familiar with the dual alternator setup on the PTs. But I am
willing to learn . Cant figure out why they would want to run the wire
thru a circuit breaker and/or a switch after the shunt? Doesnt the output
of both alternators go thru the same shunt?
Tom
1982 FC35
Vernon Center,NY
In the beautiful Mohawk Valley (except for tonight, its cold)
4/22/2005 +0000, you wrote:
>Tom: I have a 92WB40. According to George in service at BB, when
>the wire comes off the shunt, it is routed through a circuit breaker
>and relay on this coach. Alternator #1 shows up just fine, but not
>Alternator #2. I believe the dash switch probably controls the
>relay switching between the two alternators.
>
>I have not check the switch, and I guess that could be possible, but
>when we switched output wires from the alternators and I got a good
>reading then for #2 which was actually #1.
>
>R.E. (Ron) Marabito, Dallas, TX 92WB40
>
>--- In WanderlodgeForum@yahoogroups.com, Tom
> > Ron there should be nothing between your alternator and the amp
>meter other
> > then the shunt. When the current from the alternator passes thru
>the shunt
> > it produces a very low voltage drop across it proportional to the
>current
> > and its this voltage that is read by your dash amp meter. I
>suspect you may
> > have a wire off at the shunt or a bad connection(wire) between the
>chassis
> > and the dash. What year is your coach?
> >
> > Tom
> > 1982 FC35
> > Vernon Center,NY
> > In the beautiful Mohawk Valley
> >
> > \At 03:10 AM 4/22/2005 +0000, you wrote:
> >
> > >Today we checked out further the output of a re-built alternator
>on my
> > >92WB. Found out it is putting out just fine, but not indicating
>at
> > >the ampmeter on dash. We determined that the instrument was O.K..
> > >George at BB indicated problem could be circuit breaker or Bosch
> > >Relay. No problem with circuite breakers, but unable to tell
>which
> > >Bosch Relay is involved.
> > >
> > >There are 6 in a row in the battery compartment and all are wired
>the
> > >same and with color codes that are identical. Short of trial and
> > >error replacement, anyone have any experience with the problem or
>know
> > >which relay it is?
> > >
> > >Thanks,
> > >
> > >R.E. (Ron) Marabito, Moderator
> > >
> > >
> > >
> > >
> > >
> > >----------
> > >Yahoo! Groups Links
> > > * To visit your group on the web, go to:
> > > *
> > >
><<http://groups.yahoo.com/group/WanderlodgeForum/>http://groups.yahoo.com/group\
/WanderlodgeForum/>http://groups.yahoo.
>com/group/WanderlodgeForum/
> > >
> > > *
> > > * To unsubscribe from this group, send an email to:
> > > *
> > >
> > >
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> > > * Your use of Yahoo! Groups is subject to the
> > >
> <<http://docs.yahoo.com/info/terms/>http://docs.yahoo.com/info/terms/>Yahoo!
> Terms of Service.
>
>
>
>
>
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No amps reading on #2 alternator - erniecarpet@... - 04-21-2005 21:47
I have dual alternators on my coach. don't know why- but willing to learn,
also. Ernie 83PT40 in Texas
[Non-text portions of this message have been removed]
No amps reading on #2 alternator - ronmarabito2002 - 04-22-2005 02:02
It appears to be two separate shunts.
Ron 92WB40
--- In WanderlodgeForum@yahoogroups.com, Tom
> Ron I am not familiar with the dual alternator setup on the PTs.
But I am
> willing to learn . Cant figure out why they would want to run the
wire
> thru a circuit breaker and/or a switch after the shunt? Doesnt the
output
> of both alternators go thru the same shunt?
>
> Tom
> 1982 FC35
> Vernon Center,NY
> In the beautiful Mohawk Valley (except for tonight, its cold)
>
>
> 4/22/2005 +0000, you wrote:
>
> >Tom: I have a 92WB40. According to George in service at BB, when
> >the wire comes off the shunt, it is routed through a circuit
breaker
> >and relay on this coach. Alternator #1 shows up just fine, but
not
> >Alternator #2. I believe the dash switch probably controls the
> >relay switching between the two alternators.
> >
> >I have not check the switch, and I guess that could be possible,
but
> >when we switched output wires from the alternators and I got a
good
> >reading then for #2 which was actually #1.
> >
> >R.E. (Ron) Marabito, Dallas, TX 92WB40
> >
> >--- In WanderlodgeForum@yahoogroups.com, Tom
wrote:
> > > Ron there should be nothing between your alternator and the amp
> >meter other
> > > then the shunt. When the current from the alternator passes
thru
> >the shunt
> > > it produces a very low voltage drop across it proportional to
the
> >current
> > > and its this voltage that is read by your dash amp meter. I
> >suspect you may
> > > have a wire off at the shunt or a bad connection(wire) between
the
> >chassis
> > > and the dash. What year is your coach?
> > >
> > > Tom
> > > 1982 FC35
> > > Vernon Center,NY
> > > In the beautiful Mohawk Valley
> > >
> > > \At 03:10 AM 4/22/2005 +0000, you wrote:
> > >
> > > >Today we checked out further the output of a re-built
alternator
> >on my
> > > >92WB. Found out it is putting out just fine, but not
indicating
> >at
> > > >the ampmeter on dash. We determined that the instrument was
O.K..
> > > >George at BB indicated problem could be circuit breaker or
Bosch
> > > >Relay. No problem with circuite breakers, but unable to tell
> >which
> > > >Bosch Relay is involved.
> > > >
> > > >There are 6 in a row in the battery compartment and all are
wired
> >the
> > > >same and with color codes that are identical. Short of trial
and
> > > >error replacement, anyone have any experience with the
problem or
> >know
> > > >which relay it is?
> > > >
> > > >Thanks,
> > > >
> > > >R.E. (Ron) Marabito, Moderator
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >----------
> > > >Yahoo! Groups Links
> > > > * To visit your group on the web, go to:
> > > > *
> > > >
>
><<http://groups.yahoo.com/group/WanderlodgeForum/>http://groups.yaho
o.com/group/WanderlodgeForum/>http://groups.yahoo.
> >com/group/WanderlodgeForum/
> > > >
> > > > *
> > > > * To unsubscribe from this group, send an email to:
> > > > *
> > > >
> > > >
> > > > *
> > > > * Your use of Yahoo! Groups is subject to the
> > > >
> >
<<http://docs.yahoo.com/info/terms/>http://docs.yahoo.com/info/terms/
>Yahoo!
> > Terms of Service.
> >
> >
> >
> >
> >
> >----------
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com/group/WanderlodgeForum/
> >
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> > * To unsubscribe from this group, send an email to:
> > *
> >
> >
> > *
> > * Your use of Yahoo! Groups is subject to the
> > <http://docs.yahoo.com/info/terms/>Yahoo! Terms of Service.
No amps reading on #2 alternator - Jeff Miller - 04-23-2005 06:19
I don't think it was an option until '88 Ernie (not sure on the year).
- Jeff Miller
http://www.wanderlodge.net
http://www.millercoachworks.com
--- In WanderlodgeForum@yahoogroups.com, erniecarpet@a... wrote:
> I have dual alternators on my coach. don't know why- but willing to
learn,
> also. Ernie 83PT40 in Texas
>
>
> [Non-text portions of this message have been removed]