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INSTRUMENTS DESCRIPTION AND OPERATION 88-33 Engine oil pressure warning lamp The engine oil pressure warning lamp within the instrument pack utilises a red LED and a clear legend. The LED There is no self-test performed at ignition on for this warning lamp. The power input for the LED is supplied by the instrument pack via fuse 27. The oil pressure switch located on the Low oil pressure switch operating pressures The response to the voltage signal at the instrument pack is as follows: l < 1.8 volts = warning lamp on. l > 7.7 volts = warning lamp off. Engine type Switch opening pressure, bar (lbf.in 2 ) V8 0.22 to 0.59 (3.0 to 8.5) Diesel 0.25 to 0.42 (3.5 to 6.0) |