Date: Sun, 11 May 2008 16:22:12 -0700
Reply-To: Mark Drillock <mdrillock@COX.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Mark Drillock <mdrillock@COX.NET>
Subject: Re: electrical weirdness after 2nd battery install......
In-Reply-To: <dad0e8a40805111619x97f16cax4581d4b7fd6a39b6@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
You did not need to fool with those wires on the back at all. No wires
needed to be cut or rerouted. All you needed to do was remove fuse 3 and
leave it out. Then run a fused wire from the aux battery to the lower
leg slot of fuse 3. Done.
Mark
Florian Speier wrote:
> 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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