I have had problems with low oil pressure readings for years. I have owned this 1980 CJ7 with 258 Inline 6 since new. I have the original electric guage. I have ordered and replaced the guage and many sending units with no real change. The original sending unit has a 3 terminal connection. Does anyone know what color wire is for what? The pressure looks good with a mechanical guage but I would like to keep the original electric type for several reasons. Has anyone else seen this type of problem and do you have a possible solution?
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Low oil pressure readings
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