10/12/2026
Selling my Humminbird HELIX 7 MDI GPS G4 (Generation 4). This unit is in excellent condition and fully functional. It provides crystal-clear Mega Down Imaging (MDI), Dual Spectrum CHIRP sonar, and internal GPS mapping.
This is a complete package ready to install.
Included Items:
Humminbird HELIX 7 MDI GPS G4 head unit
All necessary power and transducer cables
Gimbal mounting bracket
BONUS: Includes the Humminbird MKR-MDI-2 adapter cable to connect directly to a Minn Kota trolling motor with a built-in MDI transducer (US2/MDI compatible).
Condition: Used, but well-cared for and in perfect working order. Screens are clear, and all connectors are in good shape.
Reason for selling: Upgraded to a larger unit.
Location: Local pickup preferred (specify your general area), or willing to ship at buyer's expense.
Please message me with any questions. Serious inquiries only, please.
