Date:         Wed, 1 Oct 2003 10:33:58 -0700
Reply-To:     Travers Fenton <fenton_travers@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Travers Fenton <fenton_travers@YAHOO.COM>
Subject:      Re: wiring for a 2nd battery
Comments: To: mark drillock <drillock@earthlink.net>
In-Reply-To:  <3F7AE3F8.6080805@earthlink.net>
Content-Type: text/plain; charset=us-ascii

I actually have a deep cycle marine battery that I
would like to use heavily.  I'm still researching this
but should I use the x switch I've read about.  Any
tips or leads on how best to set this up so that it
will get the full voltage of the alternator would be
greatly appreciated.

Fenton & Jessey
84 Vanagon
97 Jetta
--- mark drillock <drillock@earthlink.net> wrote:
> Yes, use terminal 30 to connect a wire to the AUX
> battery. Be sure to
> put a fuse in the wire. 20 amp should do it.
>
> Leave the existing red wire connected to terminal 30
> also. You can buy a
> tiny splitter that will plug onto terminal 30 and
> give you 2 places for
> wires to connect. Plug the existing wire and your
> new wire into the
> splitter. RadeoShack and many auto parts stores sell
> the splitter.
> $1 should buy 2 or 3.
>
> What you are doing is a common and easy way to add a
> second battery. The
> drawback to this method is that the second battery
> WILL NOT get the full
> charging voltage as seen by the main battery. If you
> use a car battery
> and don't need to use it heavily it should work fine
> and many have done
> it this way.
>
> Mark
>
> Travers Fenton wrote:
> > I have an 84 Westfalia that I'd like to set up so
> that
> > the alternator charges the auxiliary battery.  I
> > believe I have the relay that some articles said
> was
> > usually included.  I found a 5 connector relay
> under
> > the drivers seat.  Three wires are coming from the
> > front, a blue one connected to 86 on the relay, a
> red
> > one connected to 30 on the relay and a red one
> with a
> > black stripe connected to post 85 on the relay.
> Then
> > I have two red wires heading into the back, one is
> > connected to post 87 and the other is connected to
> the
> > center post.  The posts are in a cross formation.
> >
> > Now following 6 steps in the directions on
> vanagon.com
> > for setting up a second battery it says ( in step
> 4 )
> > to connect terminal #30 to the positive terminal
> of
> > the auxiliary battery.
> >
> > My question is, should I also leave what is
> already
> > connected to the #30 terminal on the relay and add
> the
> > auxiliary battery to this connection or should I
> > disconnect this wire from the #30 and replace it
> with
> > the connection to only the positive on the aux.
> > battery?
> >
> > Is this indeed the relay that is factory installed
> in
> > many westy's?  Some of the numbers on this relay
> are:
> > 411915511B & SR9813.  12Vmax30A.
> >
> > Thanks in advance.
> >
> > Fenton & Jessey
> > 84 Vanagon
> > 97 Jetta
> >
> > __________________________________
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