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  NMEA-2000: E-TEC 90 to GARMIN 541; Yamaha F250 to GARMIN 4208

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Author Topic:   NMEA-2000: E-TEC 90 to GARMIN 541; Yamaha F250 to GARMIN 4208
SWarren posted 09-26-2011 08:49 PM ET (US)   Profile for SWarren   Send Email to SWarren  
To hook new E-TEC 90 to GARMN 541 on the MONTAUK, [the author] built a NMEA-2000 backbone, with three T-connectors, and terminated the correct way, power run, and all inputs plugged in proper way.

For some reason [the GARMIN 541 does] not pick- up the [E-TEC 90] motor. Does the [E-TEC 90] have to be running or ignition turned ON to pick up the NMEA-2000 data?

I installed [an NMEA-2000 network] on my GRADY with YAMAHA F250 and GARMIN 4208 with no problem. On my yamaha, if I turn key to ON, the fuel data and engine information will pop up.

What have I possibly missed? Thanks

seahorse posted 09-26-2011 09:09 PM ET (US)     Profile for seahorse  Send Email to seahorse     
On the 40 through 90-HP E-TEC with NMEA-2000 capability, the motor has to be running so the EMM will be powered up and generating signals.

V4 and V6 motors have a different system as noticed by the several second operation of the electric fuel pump whenever the key is turned to ON.

jimh posted 09-27-2011 01:34 AM ET (US)     Profile for jimh  Send Email to jimh     
Seahorse--Thanks for that interesting information on the behavior of E-TEC 90 regarding the EMM running only when the engine is running.

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