Quote:
Originally Posted by rick doc
Greetings:
I will be at my boat tomarrow to connect the necessary wires to send data from Garmin Plotter to Furuno Sounder. If I'm not mistaken is it four wires to connect together? I picked up a plastic bus bar from Radio shack and was wondering if there is anything else I need to get a do?
If both units are alreadt grounded do I still need to connect the common ground?
Any advise is appreciated.
Thanks,
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Quick answer...... Yes run to the ground.
I am setting up a garmin 545 NMEA to my Furuno 620. I have had quite a time getting it right. Use the gps NMEA out to the ff in, then take the mating ff wire and run it to the ground (neg. on the bus). I did that and VIOLA !!!! it all came on. Did the same in the other direction and I get the ff temp on the gps, and it should mark quick waypoints from the FF. I also did NMEA with my DSC radio and got that working the same way. The second gps outNMEA to the in of the radio, and the other wire of the radio to the neg bus.
I set all machines on my work bench with a 12v power supply to do all the wiring before I install in the boat, I'm gonna write down every connection. If you have a problem post again.