Odd voltage question?
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Odd voltage question?
I am having a hard time trying to figure this out. My 84gs will is running great but sometimes the voltage will dip down below 9 on my gauge and will stay there until I park the car. When I start the car up again the gauge jumps back to 12 to 14. My battery light never comes on and I had the alt checked and it is charging fine. I checked my battery cables and they seem to be fine also. Could it be the gauge itself or am I missing something.
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Along with what doc said, try adding a ground wire from the back of the alt body, to the negative battery terminal. Sometimes, the alt doesn't get a good ground to the engine, due to corrosion on the mounting surfaces.
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2nd Generation Specific (1986-1992)
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09-05-15 02:13 PM