Chevy Corvette C5 - Oil Pressure Sending Unit. Readings Are Fundamental. HOT ROD Staff Writer Jan 01, 2013. See All 19 Photos. ... your eyes are glued to the oil-pressure gauge.

Check out the 1949 Chevrolet 5 in 1 Gauge Cluster by Haneline USA, and the adapter ring that fits the 49 Chevy with a Speedometer, Water Temperature, Oil Pressure, and Fuel Gauges - Rod & Custom ...

By contrast, when resistance to ground at the sender is high and current flow is low, the gauge will read low. Sending units, be they temperature, oil pressure, or fuel level, are all variable ...