Need a US2 adapter cable? Check out the Minn Kota 1852061 US2 Adapter Cable/MKR-US2-1 for Garmin fishfinders! Universal Sonar 2 delivers advanced water temperature sensing for the best view of the waters below. The US 2 adapter connects your Garmin fishfinder with the Universal Sonar 2 transducer on your trolling motor. The shielded, IP68-rated waterproof connectors are metal tipped to prevent sonar interference.