891834 Mercruiser SCREW

Illustration 1 g00647085
(1) Crankshaft position sensor (2) Camshaft position sensor (3) Injectors (4) Retarder solenoid (5) Fuel supply rail (6) Boost pressure sensor (7) 2 Micron secondary fuel filter (8) Atmospheric pressure sensor (9) Fuel pump (10) Primary fuel filter (11) Fuel tank (12) Fuel pressure regulator (13) Engine oil pressure sensor (14) Engine coolant temperature sensor (15) Inlet air temperature sensor (16) Fuel temperature sensor (17) Ambient air temperature (18) Engine coolant level sensor (19) Accelerator pedal (20) Accelerator pedal position sensor (21) Batteries (22) Electronic Control Module (ECM) (23) SAE J1587/J1708 Data link (24) SAE J1922/J1708 Data link (25) SAE J1939 Data link (26) Warning and check engine lamps (27) 2 Lamp outputs (28) Timing calibration connector (29) 6 Programmable outputs (30) Cooling fan relay or solenoid (31) Engine retarder switch (32) PTO on/off & set/resume switches (33) Cruise on/off & set/resume switches (34) 7 Programmable inputs (35) Vehicle speed sensor (36) Speedometer & tachometer (37) Service brake pedal position switches. (38) Neutral & clutch pedal position switches (39) KeyswitchThe Electronic Unit Injector system consists