Originally Posted by gts-20
Anyone know if this works on boats equipped with VDIG?
Look at http://www.nauticlaugic.com/nl4.html
. It has a "by boat guide". It's simply is plugged in place of the paddle wheel. The different models are basically different connectors (triducer vs spd/temp). Google "nautic logic gps" and you will also see some reviews over on wakeworld.