85 buick lesabre, oil pressure switch?

where exaclty is the oil pressure switch on a '85 buick lesabre, 307 4 barrel, from my understanding its under the intake manifold and on the driver side cylinder
where exaclty is the oil pressure switch on a '85 buick lesabre, 307 4 barrel, from my understanding its under the intake manifold and on the driver side cylinder head