MagCode is a 12V accessory socket that is "activated" via the alignment of magnets in the plug. Hence it is not possible to short without the mating plug. They come in several ratings.
You can buy them via any Hella outlet. I purchased mine through a truck spares supplier in Newcastle as it worked out cheaper than buying direct from Germany.
The local VW dealer gave me the usual blank response (endearing in children and puppies - not so from "technical support") when asked about the port.
Refer to site below.
http://www.magcode.de/english/produkte.html
I have installed these throughout my Beach - internally and externally.
The only downside is the HUGE hole required to secure the fitting, and the right angle orientation of the fly lead plug.
Cheers, MM
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