Yes, you can link a Terrova to a Humminbird. The Terrova trolling motor and the Humminbird fish finder are designed to work together seamlessly. With the i-Pilot Link integrated into both devices, they can communicate and share information. This allows you to control the Terrova trolling motor directly from the Humminbird fish finder screen. You can also access advanced features such as Spot-Lock, iTrack, and Go To. The software updates and compatibility of these devices ensure they stay interconnected and provide a smooth fishing experience. So, if you want to enhance your fishing setup, linking a Terrova trolling motor to a Humminbird fish finder is a great option.