Might want to get a better light.  See this:
http://www.thesamba.com/vw/forum/archive/index.php/o-t--t-455744--.html

Stuart

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Jeff Palmer
Sent: Tuesday, June 23, 2015 8:08 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Delta Six DS4000

Hi everyone. I have the above unit in my 1985 Westfalia. I'm looking for an
LED bulb to minimize consumption. I ordered one from an online Vanagon
vendor and when the wrong bulb arrived was told my unit was "unique."  Any
suggestions as to where to get a bulb?  Is this not a common fixture?

Thanks
Jeff

Sent from my iPhone=