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dozer

04-07-2011 06:49 PM

Fuel Gauge

Can someone tell me the proper way a fuel gauge is wired with twin engines? Gauge only registers when port engine is running and always reads 1/4 to 3/8.

jbraun2828

04-08-2011 12:55 PM

gauge has three wires. Ignition which is the power supply, a ground, and a sending wire that goes to the sending unit at the tank. Could have a blue wire also if gauge has a light. Power supply is coming from your port ignition which is the reason it only works with that motor. Probably a bad sending unit

dozer

04-08-2011 02:24 PM

Thanks, would the sending units be a marine version or is there no difference?

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