The oil pressure sending unit on a 2005 GMC Sierra
if its a full size pickup, with a v8, the fuel pressure regulator is in the tank, its part of the sending unit
Where. Is the oil pressure switch on a 2003 yukon xl
It is right behind the distributor.
The oil pressure sender or switch is located at the rear of the engine, behind the distributor.
On the 5.3 ... It's up behind the engine
The oil pressure sending unit on a 1989 GMC Sierra is located slightly above the oil filter. You will need a flashlight to find it. It may be hard to recognize it because it should have a heat shield around it as well. Look for its wire coming down from the engine compartment and follow it to the oil pressure sending unit. Drain your engine oil and remove the oil filter to make changing the oil pressure sending unit easier.
A bad oil sending unit, a bad oil sensor.
That would be attached on top of the fuel pump/sending unit assembly.
It is back behind the distributor, where the distributor shaft goes into the intake.
on the engine
where is oil sending unit located on a 366 gasoline engine on 1995 gmc topkick