Hi Chris,
I recently installed a switch that interrupts the electric fuel pump ground. Simple and works like a charm. Gives me some much needed peace of mind. 
Mike M

Sent from my iPhone

> On May 31, 2017, at 12:26 PM, Christophe Guilbert <cguilbert@PICASSO.UCSF.EDU> wrote:
> 
> Hi,
> 
> I often park my Vanagon (camper 1983 air-cooled) in an area with a lot's
> of homeless in SF. Some times, parts which are hard to find "disappear"
> on my van ! Well this is not life threatening and somehow homeless need
> to make a living !!! ;-)   What would really upset me however would be
> that someone steal my van !  I would like to install a killer switch
> which would make things harder to thief ! something smart requesting
> time to figure it out !
> 
> Any idea or experience ?
> 
> Thanks
> 
> 
> Chris