Mark Wrote:
This is a potential danger with using  most of these
switches since selecting the off position with the engine running can
damage things too.

Thanks for mentioning the 'off when running' potential problem, that was
the question I forgot to ask.  Who would be dumb enough to turn the
switch to 'Off' when running? Murphy is my co-pilot (and seems to ride
in a lot of Vanagons)