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I am in need of a fuel management wiring diagram for '04/'05 f225 twin four strokes with 1 single gauge. Any help? And does the fuel management gauge show fuel level?
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No fuel level ....
The Yamaha FMS is a plug-n-play harness. I don't know of any real published wiring diagrams available. There is a installation card that comes attached to the gauge out of the box though. In your case you would have two sending units plugged into the harness and one display gauge up on the console. The FMS will show you individual fuel burn per engine (in GPH ...) as well as total fuel burn since last reset. Yamaha uses a standard color coding for their instruments and motors. Yellow is hot with ignition ON. Red is hot anytime the battery switch is turned ON. Black is ground. Blue is for instrument lighting.
- Mike
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