Question about 1991 GMC C1500
You should not need to move anything to get to it. It will be on the lower driver side of the engine. The oil pressure switch looks similar to a spark plug sticking out of the engine block. The switch simply screws in with an end wrench and the old one comes out the same way. There is a single wire attached to the end that simply pulls straight off and slips back on the new one. Hope this helps. Good luck.
Posted on Nov 13, 2009
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Posted on Jan 02, 2017
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