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04-11-2007, 8:36 AM gsieber Joined on 05-04-2005 Breezy Point Marina, Chesapeake Bay Posts 161 Fuel management gauge selection Guys, I know from reading the WC forum and others that the NavMan 3100 is a fuel management gauge a lot of people like, but how do I know from reading the specs that it will work with my motors. I have Honda BF225's (2004 vintage). I am assuming they worked with these engines in 2004 since I saw a post that someone was using the gauge with my engines, but I wonder if the specs have changed. As I understand, the gauge uses data it collects from the engine and data from GPS to make its calculations - right? For the electronics, (I have a Garmin 2010c) 1. is the connection to GPS required? It should do GPH without needing GPS data. 3. I see the NMEA sentences and ports, but I am not sure if they all have to match or is a partial match acceptable for my chartplotter. 4. Is there a standard connector these things use to get the GPS data they need from the chart plotter or am I cutting and splicing wires? I can't seem to find clear guidance on compatibility and how these things work, any help is appreciated. "Two hulls are better than one"    Report

04-26-2007, 9:03 PM honda cat Joined on 09-21-2005 chicago IL Posts 56 Re: Fuel management gauge selection Attachment: 384166shrunk.JPG navman will need a fuel flow sensor installed in the fuel lines to each engine and should give you gph with out mpg - unless hooked to your gps whay the nav man over the honda digital gauges? early 04 should work with the digital gauges with adition of a six wire pfi pannel wire harness for each engine   there are two diferent connectros for gps interfaze that i know of the most comon any more is the little round connector the size of a pencil eraser Its all about having FUN!    Report

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