In regard to your Vanagon questions, I have some information for you:
1) Second battery question, go to this link:
http://home.earthlink.net/~matsuwesty/page42.html

2) Pop-top canvas question, go to this link:
http://gerry.vanagon.com/cgi-bin/wa.exe?A2=ind0005C&L=vanagon&P=R18734

3)Roof rack question, go to this link:
http://home.earthlink.net/~matsuwesty/page47.html

4)Refrigerator question, go here:
On Vanagon.com go to "Info", then "Articles & Essays", then "Refrigerator
Info"
(sorry, you can't link to Vanagon.com stuff)

Hope this helps.
Matt

website:  http://home.earthlink.net/~matsuwesty
"Life is a journey, explore each day and treasure every minute given to you"