Coach vs. Generator batteries on FC

[Stephen Birtles]

Iwould drop a line to Jeff Miller and see if he can be of any
assistance. he is really good with the electrical systems
Stephen 77 fc35



--- In WanderlodgeForum@yahoogroups.com, "Howard O. Truitt"
wrote:
>
> Scott,
> I have ran down my coach batteries and killed the Gen battery also,
had to call for a jump start. Be interested to see what comes back on
your post.
> Howard Truitt
> Camilla, Ga.
> 86 PT40
> ----- Original Message -----
> From: Scott Forman
> To: WanderlodgeForum@yahoogroups.com
> Sent: Sunday, May 28, 2006 4:21 PM
> Subject: [WanderlodgeForum] Coach vs. Generator batteries on FC
>
>
> Hello all,
>
> I have just finished removing my leveling pump from beneath the stair
> well in anticipation of receiving a new one. While under there, I
> have noticed various battery connections. I am looking for help to
> understand it all.
>
> It appears that a cable comes from the generator battery to the
> solenoid on the leveling pump. On that same pin, there is also
> another battery cable coming from a shunt attached to the back on the
> step well right next to the leveling pump. The other side of that
> shunt then has a cable that seems to come from the coach battery bank
> and there is another solenoid attached here...I am assuming this is
> the solenoid activated when you hit the battery boost switch on the
> dash to tie coach & gen bats together.
>
> A couple questions:
>
> 1) Does this all sound correct?
>
> 2) It would appear that the coach and gen bats have a connection to
> each other through this shunt whether the dash switch is activated or
> not. If this is the case, what happens when that solenoid is
> activated?
>
> 3) If the coach bats and gen bat are always tied together, couldn't
> the coach bats draw down the gen bat in a low voltage situation and
> leave me stranded? I was under the impression that if I ever ran my
> coach bats down dry camping, it wasn't a big problem as the gen bat
> was isolated I could start the gen to charge the bats.
>
> Just trying to understand all this and make sure mine is wired like
> it should be. This area doesn't seem to be covered on any of the
> blueprints in my blue box.
>
> Thanks
> Scott Forman
> 82 FC35RB
> Memphis
>
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