Yeah, you do have to configure the output with a lowrance unit or the suzuki digital multi function tach (made by lowrance). Once that's done it'll run on the Garmin or any other nema network. It was a pain, but well worth it. The fuel burn is spot on and it also displays trim, water pressure, water temp, engine hours and rpm.
My Suzuki dealer let me borrow one of the units to get it configured.
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