Minn Kota MKR-DSC-12 Garmin 4-Pin DSC Adapter Cable Electric Trolling Motor Accessory - Adapter connects select Garmin fish finders with Minn Kota's built-in Dual Spectrum CHIRP transducer on your trolling motor. Shielded, IP68-rated waterproof connectors are metal tipped to prevent sonar interference. *Only provides traditional 2D sonar. Connects select Garmin® fish finders with a Built-In Dual Spectrum CHIRP transducer Shielded cable for crystal-clear sonar performance Waterproof heavy-duty composite connector Compatible with 2D sonar only