SOURCE: oil pressure sensing switch location
The oil switch is located on the passenger side of the truck in the back of the engine. Look for the transmission dipstick, then feel for it between the transmission dipstick and the engine block. It is hidden pretty well, but a socket wrench will fit to take it off. The new part uses a 1-1/16 socket, the old part for some reason was smaller, I think 13/16 inch. Hope that helps.
SOURCE: oil pressure switch
Lower Right Hand Side, Front Of Engine, Below the Power Steering Bracket
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SOURCE: location of oil pressure switch on a 1997 cadillac deville
Oil pressure switches a normally located by or near the oil filter on all cars. :-)
On the 3.7L and 4.7L engines, the oil pressure
switch is located at right front of engine just above the oil filter. On
the 5.7L engine, the oil pressure switch is located at right front of
engine.
hope this helps you
Fig.: Oil pressure switch (sending unit) schematic
The low oil pressure warning lamp will illuminate when the ignition switch is turned to the
ON
position without the engine running. The lamp also illuminates
if the engine oil pressure drops below a safe oil pressure level. To
test the system, perform the following:
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