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Bruce J

NMEA cable run

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I have a 2016 2400TRS and want to run a NMEA 2000 cable from my 250 SHO to my console.  Is there a cord installed from the factory to pull the cable?

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Brad, by “Yamaha bus”do you mean their NMEA 2000 backbone?  I haven’t had any custom electronic work done, just what came from the factory. And there’s nothing plugged into the NMEA port on my Garmin. 

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Yes. A multi port bus with a few ports for the Command Link (Yamaha branded NMEA2k). My boat, a 2018, has a bus just inside the transom in the bilge and then one neatly tucked away and nearly completely covered by wires, under the dash. I spent a lot of time in my console wiring up an amp and speakers and never did see it. I found it on accident while running wires with the factory wiring. I have not tried it yet, but there is a Command Link to NMEA cable that BOE Marine sells for around $120. I think I'm going to buy the Corsa plug end and make my own cable as I can do it for less than $30. Here's a picture and a few links. Both links go to The Hull Truth, if not allowed Mod, please delete. Just trying to be helpful. 

You will need to make a NMEA network for that one cable to work. I think BOE Marine also makes a cable for Command Link bus port direct to Garmin w/o a NMEA network, but can't remember. I used an Ancor 4 port "T" with power wire for mine, and hooked my head unit and VHF up to my Garmin. I'll use my last NMEA port to run the Command Link to NMEA cable into my network.  

Link to Corsa plug end in this thread

Great Info in this thread

 

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I recently purchased the cable from BOE marine without the Nmea network. It plugs into my command link bus and directly into my Garmin. Shows almost everything I want except the mpg. Call boe and ask them they were very helpful 

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I’m just hanging onto this subject by a thread, or maybe a wire. I think I understand the basic Lowrance/Yamaha NMEA cable  idea, creating a backbone, etc. I’m not crazy at all about the prospects of fishing that cable from the motor all the way to my Garmin in the console. I think that would exceed my ability or patience.

But Brad, you say I might have a Yamaha proprietary NMEA bus in the bilge area and in the console already. Would the one in the bilge already be linked to the engine?  On your boat did the factory already run a cable from the bilge bus up to the console bus? Do you have a cable from that console bus going to your Garmin?

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My boat has a Yamaha BUS in the bilge, but all the ports are populated. I have to suspect engine data, power, and then a cable from there to the bus under my console/dash. The BUS under my dash has 1 or 2 open ports (can't remember) that I plan plug into with one end and then the other to my NMEA network. Right now I can display my stereo on my Garmin, which works perfectly. I just have not gotten to the the rest of it. 

Here is what I used, and a couple of basic drop cables to hook my Garmin and JL Audio head unit up. It was as simple as power to positive terminal in my fuse box and ground to ground in my fuse box....the most time consuming part was running up to the store to get a pack of fuses for my fuse box. You'll also need the male and female NMEA terminators for it to work. I shopped online for the best prices for all of my stuff and I suggest you do the same. Some places are A LOT more expensive than others. 

Ancor NMEA power

Ancor 4 Way Tee

 

 

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