Can someone please point out the Air conditioning high pressure relay switch. Have manuals and cannot figure where it is and have searched. PHOTO WOULD BE GREAT. I HAVE AN 81. Thanks

 

I've never heard of it. Which manual is it referenced in?

 

Are you referring to the pressure sensor that will turn the A/C off is there is very little or no refridgerent in it? (to keep the compressor from burning out) That's located either on the dryer or the low pressure line leading to the dryer.
Otherwise i'm not sure what you'd be referring to....

 

It looks like it is under the dash.

http://foxed.ca/rx7manual/manuals/19...ingDiagram.pdf

Connector G-21, section G

 

I'll post a pic when I get home...the exact location under the hood depends on whether the AC was factory or dealer-installed...

 

Here we go...



the blue dashes follow the AC line to the condenser ahead of the radiator...