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Old 05-06-2022, 03:50 AM
Xcomunic8d Xcomunic8d is offline
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Join Date: Oct 2016
Posts: 320
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My buddy had a similar problem his gauge was shorted out by foam he installed around tank.

You already tried sending units. I’m guessing it moves up and down but only half scale? Verify your wiring and grounds. Then I’d suggest purchasing another gauge and verifying function. I’m wondering if your gauge has gone bad or is not liking signal from sending unit. I’d say sending unit but you’ve tried multiples already. That leaves wiring or gauge itself.

To check your wiring use a multimeter on ohm setting and move the sending unit back and forth you should see resistance go up and down. I’d imagine it’s resistance not volts but I’d run it through a few checks and verify function.
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