oil switch on passager side of engine with 1 wire coming off of it, what does it do?
Jun 12, 2010 at 10:57 AM
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RASMATAZ
✓Experienced Mechanic
75,988 POSTS
If its actually the oil pressure switch its purpose is to indicate the oil pressure. When you turn key On you should see the oil light come on and when the engine starts it should turn off