Are you are telling me that the high pressure sw has been disconnected, and the wires that went to it are going towards the radiator??

Are the sw wires just hanging there???

If that is the case, then it is possible someone has added a temp sensor to the condenser/radiator fins instead of using the high side pressure sw to activate the fans.
[ you see these type switches on electric fan add-on kits]
..I would definately do some further checking as to where those wires that originally went to the original sw are now feeding...