Use To Convert Transom Mount Transducer For Trolling Motor; Compatible With XM 9 HW MDI T, XTM 9 HW MDI T, XM 14 HW MDI T, XTM 14 HW MDI T, HELIX 8/ 9/ 10/ 12/ 15 MEGA DI+ GPS G3N And Newer, SOLIX G2 And Newer, APEX All Models; Mounting Hardware/ Interference Choke