Thanks everyone. I added the Y cable and high speed transducer. In the process I moved my SI transducer up quite a bit (where the instruction sheet says to) and now I even get SI at speed. So o guess I really didn’t need the extra Y-cable & HS transducer (or extra $125). I should have just been more patient and adjusted the height of the SI transducer. I had a boat dealer install it so I figured they would install correctly but I guess not since it needed to be move up even beyond where the screws were.

It’s as low as I can get it without drilling new holes. Still needs to go lower?

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