I am getting ready to mount a snowblower on the front of my 1025R and I am installing the front hitch/pto part. There is a bracket that I have to install up front that has two shaft bearings in it and a driveshaft goes from the mid-PTO up thru this bracket at the front. Anyways it came with a sensor of some kind that mounts on this bracket and it must sense shaft movement or RPM or something. Well, the instructions show how to mount the sensor to the bracket and where to clip it etc. , but it never says where to plug it in on the tractor. I assume the tractor has a plug somewhere on it that this plugs into?? Can anyone explain what this sensor does and where it is supposed to plug in at on the tractor?