Well the shop needs a good cleaning, but what fun is that?

So I decided it was time to pull the 1811 in the shop. To recap, I bought this thing in January to use this summer (guess that idea didn't work as planned). Anyway, the rear end is full of water and you guys helped me figure out a plugged hydro filter is why it wouldn't drive very far. I put on an old filter, hydro worked great, just never had time to pull the rear to clean it out. So over the last 10 months I've picked up axle seals, tube, plate, and pump gaskets, and springs for the trunion. Oh yeah, some Deere Hy-Gard for the rear---No I haven't been to an IH dealership in a very long time. Called dad when I got off work and told him to be ready to take it to the shop this afternoon. We dove right in and pulled the fenders and side shields so we could wash it off. I am quite surprised to see what appears to be new rag joints and what looks to be a recently replaced Trunion---NO WEAR!!! I hosed it all down and brought it back inside. Maybe tomorrow I can pull the rear end.
Anybody know what the cut wire in the photo was for? Did the harness have wires in it for rear PTO (even if the machine didn't have it)