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Home >> Mercury >> 1983 >> LN7 Base, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Standard >> Testing >> Indicator Warning Lights >> Oil Pressure Indicator

Oil Pressure Indicator

Turn ignition to "ON" position. If indicator lamp fails to come on, ground sending unit contact with engine or replace sending unit. If lamp fails to come on with lead grounded, check bulb and/or circuit for open condition.

NOTE: Never apply 12 volts directly to sending unit.