1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Repair Manual, P/N 787024, Page 64Get this manual
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The oil pressure switch is on top of the oil pump, and it receives voltage signal from the ECU If oil pressure drops below PSI (27,6 6,9 kPal, the switch completes ground circuitThe ECU senses this, a