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7080 fuel gauge |
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DCAC
Orange Level Joined: 20 Oct 2018 Location: east central SD Points: 511 |
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Posted: 16 Jan 2022 at 8:56pm |
Looking for a working OEM fuel gauge for an "81 7080, NOS or good used, Thanks gentlemen!
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Codger
Orange Level Joined: 23 Dec 2020 Location: Illinois Points: 2032 |
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Have you verified the gauge is bad and not wiring or the transmitter in the fuel tank, (sender/float)?
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DCAC
Orange Level Joined: 20 Oct 2018 Location: east central SD Points: 511 |
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It's not my tractor, but supposedly it works, just not when the lights are turned on. A new reproduction gauge has been installed.
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Codger
Orange Level Joined: 23 Dec 2020 Location: Illinois Points: 2032 |
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that sounds like a wiring issue rather than a bad part. I'd check the 12VDC feeding the gauge to ensure it is not dropping off when the lights are switched on. If it works without the lights it seems the variable resistor, (sending unit) is working correctly.
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DCAC
Orange Level Joined: 20 Oct 2018 Location: east central SD Points: 511 |
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Thanks Codger, I'll pass that along!
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Codger
Orange Level Joined: 23 Dec 2020 Location: Illinois Points: 2032 |
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This interprets as a corroded, or compromised electrical connection feeding the gauge. The variable resistor is usually connected to the negative side of the gauge and a switched voltage applied to the other positive side.
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DCAC
Orange Level Joined: 20 Oct 2018 Location: east central SD Points: 511 |
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Thanks again, Codger, I passed this along to the owner as well!
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CrestonM
Orange Level Joined: 08 Sep 2014 Location: Oklahoma Points: 8387 |
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I drove a Steiger that had the gauges quit working when the lights were on. Turned out, grounding issues were at fault. Apparently it can ground through the filaments in the bulbs and that causes issues.
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DCAC
Orange Level Joined: 20 Oct 2018 Location: east central SD Points: 511 |
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Thanks Creston! I'll let the owner know that too!
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Gary(WI)
Orange Level Joined: 27 Nov 2009 Location: WI Points: 995 |
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Djs tractor has that gauge
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DCAC
Orange Level Joined: 20 Oct 2018 Location: east central SD Points: 511 |
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I think that's where this gauge came from
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