TM-HX-3 fits Humminbird® Chirp Helix Mega Si GPS G2N transducer XM 9 20 MSI T or Solix G2N  Si XM transducer XM 14 20 MSI T for trolling motor, set back or jack plate installation.  If this item is going on a Trolling Motor, please answer the trolling motor questions.  If this item is going on the Jack Plate please answer all the questions about your jack plate and boat.  It is very important that you answer the questionnaire in full please.

NOTE:  When the transducer is attached to a Set Back, Hole Shot Plate or the side of a Jack Plate, it will not track the bottom when up on plane because the transducer is out of the water.  For bottom reading on plane, a transducer inside the hull will be required.