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CTM NMEA Retrofit Kit with Display – NMEA 2000 Upgrade Kit for Marine Systems
CTM NMEA retrofit kit with display for upgrading compatible marine systems to NMEA 2000. Includes display module, control unit, and wiring harness.

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The CTM NMEA Retrofit Kit with Display is an all-in-one upgrade solution designed to bring NMEA 2000 connectivity and on-board display monitoring to compatible marine systems. Ideal for refits and modern helm integrations, this kit includes a dedicated CTM control unit, a display module, and the required harnessing to simplify installation and reduce guesswork.
Use it to streamline data connection at the helm, improve system visibility, and integrate more cleanly with a NMEA backbone for modern marine electronics setups.
Key Features
• NMEA retrofit kit with included display
• Designed to upgrade compatible systems to NMEA 2000 integration
• Includes CTM control unit 3.5" + display module + wiring harness
• Clean, helm-friendly retrofit approach for modern marine electronics networks
| CTM NMEA Retrofit Kit with Display – Specifications | |
|---|---|
| Product Type | NMEA Retrofit Kit |
| Network Compatibility | NMEA 2000 (retrofit integration) |
| Display Included | Yes |
| Kit Includes | CTM control unit 3.5" (40006A), display module, wiring harness(es) |
| Application | Marine electronics/network retrofit for compatible systems |
