The Garmin 010-11613-10 Wire Block Adapter allows you to connect a compatible bare wire transducer to a Garmin 12-pin sounder connector. Garmin 010-11613-10 Compatible Devices: GSD 25 Premium Sonar ModuleGPSMAP 7607xsv, 7608xsv, 7610xsv, 7612xsv, and 7616xsv