Minn Kota Universal Sonar 2 Adapters 602935 Universal Sonar 2 delivers streamlined, interference-free sonar performance and DualBeam PLUS technology for the best view of the waters below. These adapters connect your motor to your favorite brand of sonar or fishfinder with waterproof connectors. Part Number Suits Sonar/Fishfinder Model MNK-602935 Humminbird Mega Di Adaptor Helix 7 MNK-602936 Humminbird Mega Di Adaptor Helix 8, 9, 10, 12 MNK-602957 Adapter Cable Humminbird ONIX MKR-US2-13 MNK-602959 Humminbird US2 Adaptor MKR-US2-8 MNK-602963 Lowrance US2 Adapt Blue Plug MKR-US2-10 MNK-602965 Garmin Echo US2 Adaptor MKR-US22-12 MNK-602966 Garmin US2 Adapt 8 Pin MKR-US2-14 MNK-602971 US2 Extention Cable MKR-US2-11