Date: Sun, 11 May 2008 16:19:42 -0700
Reply-To: Florian Speier <groups.florian@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Florian Speier <groups.florian@GMAIL.COM>
Subject: Re: electrical weirdness after 2nd battery install......
In-Reply-To: <dad0e8a40805111511m49f3ef58h346992485814264e@mail.gmail.com>
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ok, I solved it. vw couldnt possibly make the numbers on the connectors any
smaller. so i rewired not b11 and b12 but 3 and 5 or something like that. i
thought the number was to the right of the connector and not the left, so i
rewired the wrong ones. i checked that a few times until i saw it.
brrrrrrrrr.
florian
On Sun, May 11, 2008 at 3:11 PM, Florian Speier <groups.florian@gmail.com>
wrote:
> I just installed a second battery under the drivers seat. I took out the
> existing relay and use a surepower 1315. I disconnected the two other little
> wires at the old relay, not really knowing what they are for, and used the
> thickj red existing wire, which is always hot, to connect to the main
> battery side of the surepower. the other side of the surepower is connected
> to the aux battery.
> the aux battery directly feeds the wire to the fridge that goes through the
> b pillar fuse box and a new cable that i ran to the main fusebox which now
> directly feeds the cables from connector points b11 and b12. according to
> bentley, that should be radio, interior lighting, cigarette plug, that are
> now going off the aux battery.
> however, theory and actually observed behaviour dont quite match.
> (background, this is an 87 full camper, subaru ej22 conversion, headlight
> relay upgrade, otherwise stock wiring)
>
> so with b11 and b12 rerouted and all the connections for the 2nd battery
> made, but not yet installed and hooked up, the following weirdness is
> observed:
> -the fuel gauge is not working.
> -the hand brake warning light is stuck on on
> -the cabin lights and back camper light still work (which they shouldnt
> with b11 and b12 without power.
>
> if i connect the second battery, with ignition off:
> -the fuel gauge comes on
> -hand brake light is still stuck
> -water temp sensor starts blinking for a little while, but then goes off.
>
> if i know switch on ignition:
> -the fuel gauge goes off
> -the hand brake light is still stuck in on
>
> what the ?????
> i can only think that b11 and b12 are routed differently in my van, but its
> a miracle to me why the fuel gauge goes off again when ignition goes on.
>
> florian
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