Oil Pressure Gauge
With ignition switch in "RUN" position, gauge indicates engine oil pressure. A sending unit in the engine block changes resistance with oil pressure. Resistance is about one ohm at zero psi and 88 ohms at 80 psi.
With ignition switch in "RUN" position, gauge indicates engine oil pressure. A sending unit in the engine block changes resistance with oil pressure. Resistance is about one ohm at zero psi and 88 ohms at 80 psi.