Humminbird Transducer extension cable EC M10 - 10ft extension cable. For Humminbird Mega SI to extend from trolling motor with Mega SI transducer to Humminbird Helix fish finder.
The Humminbird EC M10 - 10' Extension Cable is used to extend the length of the transducer cable, providing more flexibility in positioning the transducer on a boat or ice. It's compatible with HELIX series fishfinders and other Humminbird legacy models. Specifically, it's recommended for MEGA 360 Imaging transducers and other MEGA Imaging transducers.