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Old 12-10-2017, 09:23 AM
Senior Member
Join Date: Jun 2016
Posts: 312


That is pretty remarkable fuel tank sending unit ... is it a resistance type? Float or straight?

Usually these things are within about 1/4 tank :-). If they are more accurate with NMEA connection to an MFD, it may mean the MFD interprets the resistance reading better - or, more accurately - interesting!!

So, back to the NMEA install - after a bit more looking, the connector cable is a standard Navico product - another $100 cable ... sigh. Looks pretty straightforward.

This has been helpful - now means I don't need a separate fuel gauge - assuming two MFDs, there is always a backup device able to display the information. Waaaay better than drilling a round hole somewhere to make me feel good! Shoot, $100 may be cheaper than having someone drill the hole and connect the wires to it ... :-)

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