Fishnut
Member
- Jan 30, 2008
- 509
- Boat Info
- 2006 240 Sundancer
- Engines
- 5.0 Mercruiser with Bravo III Drive
I am installing a new gps/sonar unit (Lowrance 339) It came with a separate speed sensor. Is there any reason to install it on the transom? My old gps just measured speed through the gps function. I hate to drill more holes through the transom.