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Fuel Gauge

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Albert Wittevee

06-16-2003 15:04:40




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Installed a new fuel gauge on my A.C. 175, worked fine for a while ,now shows full all the time regardless of the amount of fuel in the tank .As soon as I turn the key ,needle goes from empty to full.What could be wrong ,gauge ,sender? Thanks in advance.




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klf

06-21-2003 12:14:00




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 Re: Fuel Gauge in reply to Albert Witteveen , 06-16-2003 15:04:40  
Make sure the sending unit is grounded and the fuel gauge is grounded. Use a ohm meter and hook it to the sending unit with the fuel gauge disconnected. When you move the sending unit up and down, the needle should move with the sending unit. I don't remember how to check the gauge, but it sounds like a ground problem to me. It is either an open ground or a dead short.



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Farmer Gene (WI)

06-17-2003 10:06:16




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 Re: Fuel Gauge in reply to Albert Witteveen , 06-16-2003 15:04:40  
Disconnect the wire at the sending unit, the gauge should read empty,if it doesn't the gauge is bad or the wire is grounded out somewhere. Then touch the wire to a good ground, the gauge should go to full. If it reads empty with the wire disconnected and full when you ground the wire then the problem would be in the sending unit.



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