Ok. So the sensor on the side of the water pump is for the aux fan. It goes to the #1 fuse which is labeled aux fan among ither things.

The sensor i'm asking about, the plug for it goes to the # 10 fuse which is for the electro magnetic fan clutch among other things.

I finally had a chance to check them with a meter for continuity. The plug for the switch i'm asking about gas continuity all the way to where the actual fan clutch plugs in.

So now i'm back to my original question. Where the heck do I find one other then australia?