2001 Mercury Mariner 50-60HP Factory Service Manual, Page 146Get this manual
WIRING DIAGRAMS
NOTE: Refer to individual oil pressure gauge instructions for proper installation procedures for installing gauge in boat1Install LIGHT BLUE sensor lead to oil pressure gauge as shown
NOTE: Normal oil pressure readings will be as follows: Outboard at normal operating temperature
Wide-Open Throttle30-60 psi (207-414 kPa) Minimum Oil Pressure W.O.T- No Less than 10 psi (69 kPa) Oil Pressure Idle5-10 psi (34-69 kPa)