Question about Chevrolet C1500
The oil pressure swicth or oil sending unit is on the bottom of the motor near the oil pan. It will have a wire attached to the end of it. It easily screws out to replace with a new one.
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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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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