I checked for continuity between the 2 prongs on the plug. I was lucky enough that the wire had broke right after the plug, so I rerouted the wire to a flush mount plug like the one shown in this picture. Turned out great!
Purchased my ED a couple months ago, and love it so far. I was out yesterday after a blizzard and managed to get myself into a snowdrift up to my running boards. While trying to get out, I was romping on her a pretty hard, and then suddenly got a message on the dash that said "Oil Pressure Low"...