I think we have a bingo! BOTH leads to the plug have continuity to ground. Looks like the wire is pooched for some unknown reason. I will see if I can find a way of replacing it that doesn't involve taking the tractor entirely apart.
Thanks very much for the guidance. My father was a talented heavy duty mechanic. Not sure the genes made it to me.
Thanks very much for the guidance. My father was a talented heavy duty mechanic. Not sure the genes made it to me.