Garmin dsc wiring diagram - to wire an i to a garmin you connect the i s nmea in center conductor to one of the garmin s out wires you then ground the i nmea in shield to any negative power wire i do a search for i and dsc and this thread is the third one that es up one of the most popular nmea 0183 connections is between a dsc enabled vhf radio and a chartplotter in this tutorial i will be using a popular small gps chartplotter a garmin gpsmap 276c and connect it to an equally popular i ic m304 dsc vhf radio create yourself a schematic diagram of the connection we are limiting our this section includes dsc gps wiring information to help you install our vhf dsc radios home this section includes dsc gps wiring information to help you install our vhf dsc radios fixed garmin gps nmea device and pc fixed garmin gps nmea device and pc 6kb pdf handheld garmin gps nmea device and pc handheld garmin gps nmea span class news.

dt jul 19 2010 span nbsp 0183 32 nmea wiring garmin gpsmap178c to lowrance lvr 250 seems pretty straight forward but i can t get it to work i want the lvr to talk to the garmin and get the gps coordinates for dsc i just had this problem a couple of weeks ago getting my garmin180 and furuno620 to talk have you tried this make up garmin blue wire to lowrance orange vhf gps dsc system the coast guard s new marine radio safety work turn to the section that describes the wiring aspects of the installation there will be a diagram which indicated the color of the wires in the wiring harness two of the wires go you your battery or electrical distribution panel