1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 374Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 374

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DIAGNOSTICS
TESTING OIL PRESSURE SWITCH
Step Action aDisconnect the BLU wire from oil pressure switchbEngine OFF1cCheck for continuity between terminal on switch and ground ()Is there cont