Could be a coincidence. Probably the first test would be to ground the wire at the sender and see if the gauge goes to full and shows empty with the wire disconnected then prime suspect would be the sender.
Either gone faulty, jammed at a position or float fallen off, or your modified sender could have become detached.
You have got the resistances from earlier so you can test the sender with a multimeter.
Regards John.
Petrol Tank sender unit
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- Minor Fan
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- Minor Legend
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Re: Petrol Tank sender unit
Gauge works fine with another Ford sender just reads high again
The unit is complete and likewise the float
The unit is complete and likewise the float
Russell Harvey
Minor LCV Register Historian
Freelance Motoring Journalist
http://www.Minorlcvreg.co.uk
Minor LCV Register Historian
Freelance Motoring Journalist
http://www.Minorlcvreg.co.uk
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- Minor Legend
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Re: Petrol Tank sender unit
Just fixed a stuck Series MM sender. 4 ohms to 83 is the range seen. Might help?
Cardiff, UK
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Re: Petrol Tank sender unit
If you have a mismatch tank sender then you need one of these. It can match any sender to any gauge.
https://www.ebay.co.uk/itm/Multi-Gauge- ... Sw8gVX66V3
https://www.ebay.co.uk/itm/Multi-Gauge- ... Sw8gVX66V3