i have a 1990 325 is my tach, fuel gauge and temp gause stopped working all my fuses look good, what could cause this?
Bad/corroded ground to chassis...should be brite and shiny with huge amperage capability, also cable from engine to chassis to battery should be clean and free of corrosion, battery should be newer than 7 years old for the amps to be there~...yes undervoltage could cause this~
Loose connecting wire.....
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