I saw this at the TX VW Classic a few weeks ago.

It is an auxiliary alternator and AC compressor that was fitted to an AIR COOLED  van, very interesting!!! Could be easily fitted to any VW. Was 134a used original AC dash and a REAR AC. Takes no power off already power starved vans!!!
On May 7, 2013, at 2:57 PM, "James Ogul" <jimogul70@GMAIL.COM> wrote:

> The 85 Camper I bought 6 months ago has AC but I don't think it is working.  All the parts are there and the compressor is turning ok.  As a first try I was planning to recharge it.  How can I tell if its R12 or R134A?  If its the former what type of shop could convert it?
> 
> Thanks
> Jim