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Author	Topic:   Yamaha Fuel Management Gauges
TransAm	posted 03-28-2008 07:35 AM ET (US)         I'm looking for some enlightenment on Yami gauges. I am in the process of installing 1999 Yami 250's that came with 2 Tachs, Speedo and Fuel Management gauges. My old set-up (also Yami) also had these gauges (1994/5 era). My replacement gauges seem a little different on the rear. First, the presumably older current gauges have white casing on the back and have the ability to be unscrewed and opened for service. There are also yellow adjustment switches on the back of the gauges (for example MPH, Knots, kPH on the Speedo; 4-6-8-12 selections on the other 3). I am most curious about short black video type plugs that go between the Fuel Management and Speedo gauges-one male (FM Gauge), one female (Speedo), and are connected on my old set-up. The newer gauges have all black casing and are sealed preventing them from being opened up, none have any exterior adjustment switches, and there are no video type plug on the Speedo, only the male end on the Fuel Management. I am now wondering which gauges are newer and is there any function lost between the Speedo/Fuel Management gauges without the ability to connect the video type cable? What are the specific functions of the video cables...connect to other equipment?
timing	posted 03-29-2008 10:57 PM ET (US)          I installed a new Yamaha FMG on my Outrage 21 / OX66 200 last year. That video type connector – GPS speed interface. You can buy an adapter that plugs into that FMG connector on one end and has discrete wires on the other end. Or what I did was simple cut off the FMG’s video type connector and wired directly to my Garmin’s NMEA0183 output, and that also required setting the FMG for GPS speed, rather then mech (pilot tube). This and other settings are controlled via dip switches under the rubber plug on the back of the FMG. I scanned my FMG’s settings reference card and posted the jpg here – http://www.thehulltruth.com/photos/show-album.asp?albumid=1732&photoid=33493

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