Actisense A2K-TDC-2M NMEA2000 Micro Cable Assembly - 2M [A2K-TDC-2M] Brand_Standard Horizon You need something that will

You need something that will do more than just mask it

Common NMEA interface for external GPS/NAV connection

Dual battery charger(9HC185LT)

The Sportsman Series of chargers answers these needs

Actisense A2K-TDC-2M NMEA2000 Micro Cable Assembly - 2M [A2K-TDC-2M] Brand_Standard Horizon You need something that willA2K TDC 2M NMEA2000 Micro Cable Assembly 2M Available in various lengths, the cable assemblies can be used as either a drop cable from a NMEA 2000 backbone or to extend the length of the backbone cable. Actisense Lite cable assemblies allow quick installation and come with quality reassurance as only the Actisense UL certified cable is used. NMEA 2000 cable includes five wires within a single waterproof cable: power and ground wires, two signal (data)