ok, after re-reading the post i think i understand this is the factory trolling motor (multi-compatiable) transducer like you see on a minn kota and such. from reading i think i understand you have not tried the unit in the lake yet and have just noticed a cut place in the wire. just let some silicone set up on the area and try it out to see if works, if it does i would recommend following up with the heat shrink over the silicone. you can get it at radio shack, auto zone etc.