Older Merc 454 Low Oil Pressure Alarm Sender

[Group_er]

I cant locate the low oil pressure alarm sender on my motor.
Can anybody help me out? The alarm sounds when I start the motor, but continues to sound for almost 5 minues after. I have three guages saying my oil pressure and temp are fine. The motor is also topped up with oil. I would like to try and replace this sender. But I dont know were it is, Or which one it is!!
Please help!
Thanks Everyone!

 

[CharlieB]

Re: Older Merc 454 Low Oil Pressure Alarm Sender

BBC tap into the oil galley just above the oil filter.

 

[Fishermark]

Re: Older Merc 454 Low Oil Pressure Alarm Sender

I believe the usual places are down by the oil filter, or at the back of the intake by the distributor.