Once last year I tried to raise deck on my 930 D2 Hopper. It was dead. All fuses in panel good. I went to 'weather pack' connector alongside lift motor, and noticed it was connected, but felt loose. Used long nose pliers to tighten female lug, reconnected, VOILA! Trouble vanished. Opened connection again, put thin film vaseline petroleum jelly on lug, reconnected. Never failed since.