I made a standoff at the shaft top to keep the cable from getting caught in the mount. The standoff has a eye at the end, that the transducer cable goes through. Then I used a small bungee cord, the type for portable garages that has the ball on it. The bungee cord is wire tied to the top of the shaft, then it goes down through the eye with the transducer cable. At it's end I stretched the bungee out and wire tied it to the transducer cord. Leave slack at the top of the transducer cord, so that if you motor rotates too much, the bungee allows the transducer cord to stretch but not break. I'm on the road now, but if I get a chance, I'll take a picture and post it.
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