Just looked at some 95 & 97 Z28 camaro insturment cluster on ebay and both definnetly have Oil Pressure gauges. So the output from the sensor only goes to gauge cluster. The link to the AC Delco Oil Pressure sender/switch also fits 94 thru 97 Camaro's , Firebirds and Vetts.
I agree that they have nothing to do with the PCM.
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