oil
Checking Oil Pressure Warning Device (Buzzer)
How the device should work
Test Sequence From 8/81 ->
a) Engine not running – switch ignition on
—– LED must flash for about 3 seconds, buzzer should not sound
b) Engine running
Pull wire (0.5 blue/black) off oil pressure switch and increase engine speed to about 2000 rpm
—– LED must flash and buzzer sound