I have the M502, and have wired my Garmin 276C into it. I don't recall which jack on the back I used, but I'll be out at the boat in the next day or so and can check. According to my faulty memory, one jack is a RCA connector and one is a mini. The RCA jack is the NMEA input. I think it would be easier to wire a RCA plug to the Garmin so you can unplug it if needed rather than hardwiring it. Garmin doesn't make a 5-connector plug that I know of, what unit are you using? If it is really the standard old 4-pin round plug, black is ground and brown is TX. Black to shield and brown to center pin.
On 1 January 2013 14:48, Alan Dechovitz <ondines...@gmail.com> wrote: > Has anyone wired an ICOM VHF to a Garmin GPS for DSC. I have the ICOM > M502. It has a red and a black phono plug in the rear. The user manual > says that one of these (doesn't designate which) is for the GPS > connection. The Garmin has a five pin NMEA 0183 v2 plug in its rear. > There is no standard interface cable. > I'm figuring that two of the wires coming out of the back of the garmin > constitute the NMEA talker. I plan to cut one of the phono plugs off the > ICOM to expose the wires and use solderless connectors to attach the > listener wires to the talker wires. Problem is - which wires coming out of > the Garmin and which phono plug ton the ICOM to cut off? > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > -- Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC
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