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Old 09-18-2013, 02:31 PM
prostardad prostardad is offline
TT Regular
Join Date: Sep 2013
Boat: 1992 MC Prostar 205
Location: Southeast
Posts: 30
1992 Prostar 205 Oil and Fuel Gauge

I just purchased a 1992 MC Prostar 205. The oil and fuel gauges do not work. The volt meter and engine temp gauge work fine. The previous owner said the sending units were bad. I replaced the oil sending unit, but the gauge still registers 0 psi. The oil level is fine. I have not tested the oil pump yet. I hear a faint audible squeal when the engine is running. It’s coming from a circuit board behind the dash.

Is the noise a low oil level warning or something else?

What are the other causes for the gauge to read 0 psi?

How would I check to see if the gauges are bad?

Is there a common ground that the oil and fuel gauges use and maybe corroded?

Thanks for helping.
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