There is info at vanagon.com, or just Google "auxiliary battery in VW van" or
something like that.
Here is one:

http://www.globalserve.net/~jrivers/aux-batt.htm
Bus Depot and GoWesty sell kits.
Jerry

----- Original Message -----
From: "Mike Rouby" <mikerouby@YAHOO.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, October 31, 2006 6:53 AM
Subject: Dual battery install questions

> 1) Where exactly do I get the alternator 'trigger' signal from?  Which wire is it on
the alternator?
>
>   2) Can I get the ground to my house battery from the ground off the main battery
(negative post)?  Will that work?
>
>   3) I'm assuming I drill holes into both battery boxes from below and feed the
wires underneath the van.  Is there a better solution?
>
>   Thanks!
>
>
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