Dan, I'm not a whiz at all on this but I THINK  when the refrigerant
pressure gets low enough, it just shuts of as a safety measure and it won't
turn back on until you have it serviced will more refrigerant to get
pressures back up.

John
On Feb 15, 2016 18:50, "Dan N" <dn92610@gmail.com> wrote:

> hi all,
>
> '88 tin top vanagon. I turn the A/C temp knob and the fan knobs to ON.. -
> no power to compressor... swap the temp control knob from a van w. working
> A/C - still no power to compressor... all the fuses at the driver's side
> pillar are good... all the wiring are in good condition
>
> - is there any other fuse(s) I should check? and where are they?
>
> - could it be the freon is so LOW that it doesn't activate some other
> switch?
>
> thanks for any help
>
> dan
>