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Author Topic:   ICON Gauge Fuel Set Up
jnabes posted 06-19-2013 12:54 AM ET (US)   Profile for jnabes   Send Email to jnabes  
I have twin [Evinrude E-TEC] 250-HP outboard engines with the ICON Pro gauge package, consisting of one speedometer and two RPM gauges with the dial pointer and digital screens. I love the motors and gauges. They were all purchased new in December 2012. The dealer set up my system with a single fuel tank sender via the analog input to the ICON Gateway Module. The fuel sender was the source for my fuel level and remaining fuel.

I would now like to change the set up so I no longer use the sending unit for my fuel level and fuel remaining source. I would like to use the engine settings for these two parameters. I was told to disconnect the gateway module. To do this I unscewed the ESM cable connector from bus and took out the T in the network "bus" and placed the terminator end on the bus. So now the Gateway Module only has the wires to sending unit still attached and the power cable plug connected to it.

I proceeded to do a system reset on this tach and then reentered the appropriate data. I set the gallons in my fuel tank to the known value and all looks well at this time. I have not run the boat at this point. The only glitch I see so far is that my battery voltage in the digital screens of the instruments reads 0.0.

Did I do this change properly? If so what happened to the voltage readings? If not what proceedure do you recommend?

I have a functionality question. I know when I add gas or fill tank I know to tell the unit this each and every time, but do I also have to reset fuel used each time I fuel up?

One last question, I noticed on my speedometer digital screen I still have the graphic picture of the block fuel gauge and it appears to be reading the appropriate level of fuel. Is this coincidence or does the system pick up info from the gauges after I enter the data?
Thanks for your help--jen

jimh posted 06-20-2013 12:57 PM ET (US)     Profile for jimh  Send Email to jimh     
You have made a serious error. You need to undo all the changes you made. Restore the Gateway Module. The Gateway Module is essential to operation, and it is only incidental that you were using one of the analogue inputs of the Gateway Module for your fuel tank level sensor.

Please review my article about ICON gauges at

The article tries to explain how the Gateway Module functions as the transport between the ESM network and the NMEA-2000 network. If you remove the Gateway Module, your ICON gauges will not be connected to anything.

Once you complete the restoration of the Gateway Module, you can leave the fuel tank level sender connected to the analogue input, if you like, or, if you have another fuel tank level gauge you want to connect to that sender, disconnect the circuit to the Gateway module.

Once you get this accomplished, reply to the thread and I can help you with configuring the fuel set up. Nothing is going to work until you restore the Gateway Module, as no data will reach the ICON gauges from the E-TEC engines.

The fuel used is retained in an accumulator. I think there is more than one accumulator, perhaps called TRIP and SEASON. You can reset these when you like. Until you reset them they continue to accumulate the fuel used value. I actually do not employ those fuel functions on my ICON set up because the are also available to me in another instrument, my HDS-8 multi-function display, and I find it much easier to manipulate that devices than to push all the buttons on the ICON gauges that would be needed to run the fuel manager there.

I do use the ICON to track the fuel tank level by the indirect method. I enter data for FUEL ADDED to the ICON gauge whenever I add fuel.

jimh posted 06-20-2013 01:04 PM ET (US)     Profile for jimh  Send Email to jimh     
Also, the Gateway Module acts as the network power source for the NMEA-2000 network. This is a bit unorthodox for NMEA-2000 wiring, as the recommended practice is to have a separate network-T for the power node. I understand why Evinrude did this: it makes their ICON installation much simpler by having the network power come from the Gateway Module. By removing the Gateway Module you have also made the entire NMEA-2000 network un-powered. Not much will work on the network with no power.
jnabes posted 06-20-2013 01:49 PM ET (US)     Profile for jnabes  Send Email to jnabes     
Thanks very jimh for your time and help. I restored everything back to initial installation and just disconnected the fuel sender wires from gateway module and all is working perfect now. Thanks again
jimh posted 06-20-2013 02:46 PM ET (US)     Profile for jimh  Send Email to jimh     
ROGER That--glad you got it going.

Since you have twin engines, there may be some extra steps in the configuration. I only have a single. I did the configuration so long ago I have since forgotten the details. I'd have to look them up in the instructions.

The hardest part of the ICON gauge configuration is due to the use of only three buttons. You have to remember to hold down the MENU button a long time in order for it to act as an ENTER button. Once accustomed to that quirk, you can navigate the ICON gauge menu structure rather easily.

Let me also offer this tip on night backlight levels for the gauges. You can adjust the backlight level very easily if you also have the ICON remote controls by putting the shift to NEUTRAL. Use the throttle speed increment buttons for <+> and <-> to change the gauge backlighting. It is a little hidden feature that works very handily.

jnabes posted 06-28-2013 12:52 AM ET (US)     Profile for jnabes  Send Email to jnabes     
Thanks for that backlighting tip! Any way to get the writers of the manuals to do an update to include these tips?

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