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GPS input to a 1731 radar

Question

​I have a Furuno Model 1731 radar that came as original equipment on my boat.  The NMEA port on the back of the display is unused.  Can I connect the radar to my GPS/Chart Plotter so the lat/lon will display on my radar?

Solution

​ Yes, the GPS chart plotter will connect to the 1731 radar using an NMEA cable. There are two different cables depending on the manufacturer date of the 1731. If the NMEA port is a 4 pin you will need part number 000-109-517, for the 6 pin type you will need part number 000-154-054.
  
1. Connect the GPS output positive wire to the yellow wire of the Furuno cable.
 
2. Connect the output negative wire (or ground) to the green wire of the Furuno cable.
  
Note: The 1731 works best on NMEA version 1.5, this should be selectable on your GPS plotter. If your plotter is a Furuno product there may be a double ended cable available, with no splicing required. Please check with your local authorized Furuno dealer for more details.
 To find a local authorized Furuno dealer, please click on "Where To Buy" on the top navigation bar.