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‘78 CJ5 fuel gauge calibration

7423 Views 5 Replies 4 Participants Last post by  John Strenk
I replaced my fuel sending unit a number of years ago. It was never calibrated correctly, when it’s empty it showed about 1/4 tank. Just recently it is empty at about 5/8 tank on the gauge. How do I fix this? New gauge? If so, how do I make sure I get the correct one and don’t end up with the same issue as the last one. The sending unit doesn’t appear to be bad as it is sending current to the gauge.
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