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Old 07-09-2020, 07:39 PM   #1
Will D
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Default '38 fuel gauge

Lookin for any tips or ideas before I tear into it. My fuel gauge sits at empty as expected with the key/switch off. When I turn it on, the needle rises just above half full. I drained the tank a little bit ago to change out the old fuel and with the tank bone dry the gauge needle was just below the half way mark. Would you think gauge issue or sending unit? Was going to start with checking the gauge with a D cell battery as Jseery suggested in someone else's thread. Then maybe run a temporary external wire from the gauge to the sending unit before pulling the sending unit for inspection...
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Old 07-09-2020, 07:59 PM   #2
Kurt in NJ
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Default Re: '38 fuel gauge

if the gauge moves it is most likely good

there is a good chance the float arm is sticking

the float can be checked by dipping it in boiling water and looking for bubbles
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Old 07-10-2020, 12:45 AM   #3
Will D
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Default Re: '38 fuel gauge

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Ok.... found the problem...


If i put the arm to empty, the gauge reads empty. But if i put the arm to full, the gauge only goes to just above half tank. Guessing it's hooped. Bent the arm back into shape and re soldiered it. Put it back in so I can go driving tomorrow. At least I can tell when it's getting close to empty now, just won't move till I get to half a tank. Will be keeping my eye out for a replacement.
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