John,

There are mountains of posts in the archives with debates over whether
to use a relay or an isolator and some of the answer depends on how
often you will deeply discharge the battery and how fast you need it to
recharge.

I have saved quite a bit of this material and will send most of what I
have to you.  I will assume that you have a high speed connection, not
dialup, as the file is almost 1.5 Mb.  I have some of both approaches in
the material.

VW used a relay and I think for most people this set up is fine.  It is
simpler, and cheaper.  Plus you already have some of the wiring in
place.  The relay you have is for the fridge and there have been some
cautions about using that relay and some instructions that are on the
vanagon.com website.  I might not have that material in what I have
saved as I have approached the issue with a standard passenger van in mind.

Bus Depot sells a kit with instructions for less than what the ebay
auctions usually cost you.  You might not need this with the Westy's
existing wiring.

Sam

--
Sam Walters
Baltimore, MD

89 Syncro GL
85 Westy Weekender

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