I have the Ulterra and I have a Garmin Echomap Chirp 74 SV with the lakes card. Minn Kota US2 does not work with Chirp, downview or sideview. You can view traditional sonar. At least with your Terrova you can buy a decent transducer. My Ulterra requires the entire shaft to operate so no add on transducer on the trolling motor for me. Obviously, the excellent transducer on the transom does everything. Yes, quite a disappointment when I realized the ultimate trolling motor was not compatible with an upper end fish finder.


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