The back inputs are clearly labeled +, -, S. The ground is daisy chained from the bosch temp gauge and that ground goes to the chassis. The innovate is daisy chained from the oil pressure and it's operating normally.
I tried a new ground and no difference. Bad gauge? How do I test this?
Edit: I tapped the hollow bolt that goes through the oil filter and cooling housing.
I tried a new ground and no difference. Bad gauge? How do I test this?
Edit: I tapped the hollow bolt that goes through the oil filter and cooling housing.
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