Oil Pressure Signal Light

The "OIL" signal light, when on, indicates that oil is not circulating through the engine. Proper operation is indicated when the light is off. The "OIL" signal will light when the ignition is turned on preparatory to starting engine. The light should be off when engine speed is equivalent to approximately 20 miles per hour road speed in high gear. If the oil pressure signal light fails to go off at speeds above idling it is usually due to one of the following causes:

Empty oil tank, oil feed line clogged with ice and sludge

(freezing weather) or air bound, grounded oil signal switch wire, defective signal switch, gear pin sheared in oil feed pump, diluted oil.

If the oil pressure signal light does not work when ignition is turned on, preparatory to starting engine, it is usually due to one of the following causes:

Defective signal switch, defective wiring, deadbattery.

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