New to the forum need help

[Contender33t]

Hi so glad I found this forum hope I can get a little advise here.

i cleaned up the wiring on my boat. After completing the job everything is working perfect except my speedometer. The head unit is a Furuno mfd12 getting it’s gps signal from the NEMA 2000 network. The only NEMA 0183 on the boat is this stupid yamah guage. I am using the data2 port on the Furuno unit. I contacted Furuno and they advised me to hook up the red wire to guage+ and the red white to the guage- witch is the blue and white wire on the command link. Got it all hooked up and went into the Furuno settings and turned on the vtg output on data 2 port and no little gps light on the guage. Called Furuno back they advised me my guage might be bad but it worked fine before the re wire please any advise would be great

 

[seaveepete]

Two questions:
1) I assume you want a NMEA 183 GPS signal for the command link stuff to get MPG - yes?
2) Was it working before you rewired everything or are you now trying to interface the MFD and the gauge for the first time?

I suggest you refer to the command link gauge manual and also get the Navnet manual to make 100% sure you have wired things up properly.

 

[Contender33t]

I am trying to get speedometer working for mpg correct. It was working before but it was hooked to a Northstar 6100i. The Yamaha manual just says hook up the NEMA 0183 wires to gps it’s very unclear. Was hoping someone had hooked a Furuno to a Yamaha commandlink guage before and could give me some direction. Furuno tech support said they don’t know what output the Yamaha guage is looking for and I can’t seem to find anything either

 

[Johnny Electron]

It is doubtful that your Furuno is a problem but you should test it. Wire your data 2 output (Red + and Red/White -) to the data 2 input (Brown + and Brown/White -). This will allow the out going data to come back into the Furuno port. Then go to the wizard to data port two and select "PORT MONITOR". This is a window into what is coming into the port. You should see the data sentences. If you do; then the Furuno is fine and you need to investigate your Gage. As far as what NMEA sentence your Yamaha is looking for; they would be the best to ask.

 

[Contender33t]

I got it everyone thanks for the reply’s. The Yamaha guage was looking for RMC instead of vtg. Never messed with 0183 so I was going off what Furuno tech support told me. I posted on Yamaha forums and although Yamaha doesn’t state it anywere it uses RMC thanks for the help guys