Mercury 225 EFI Service Manual page 703

225/250/3.0 Litre Work EFI 2002 Model Year
1. ECM
2. Top ECM Connector
3. Middle ECM Connector
4. Bottom ECM Connector
5. Ignition Coils
6. Ignition Coil Harness Connection
7. Fuel Injectors
8. Analog Head Temperature Sender - Port Head
9. Oil Pump
10. MAP Sensor
11. Block Pressure Sensor
12. Water Sensor
13. Shift Switch
14. Digital Air Temperature Sensor
15. Digital Temperature Sensor - Starboard Head
16. Digital Temperature Sensor - Port Head
17. Yellow Identifier - 2.5 Liter Only
18. Throttle Position Sensor (TPS)
19. Crank Position Sensor (CPS)
20. Accessories 15 Ampere Fuse
21. Fuel System & Oil Pump 20 Ampere Fuse
22. Main Power Relay, Remote Control Harness &
Power Trim Circuit 20 Ampere Fuse
23. Ignition Coils 20 Ampere Fuse
24. Low Oil Switch
25. Starter Solenoid
26. Centrifugal Bendix Starter Motor (Early 2002
Models)
27. Solenoid Driven Bendix Starter Motor (Late
2002 Models)
28. 60 Ampere Alternator
29. Main Power Relay
30. Electric Fuel Pump
31. Trim Down Relay
32. Trim Up Relay
33. To Trim Pump
34. To 12 Volt Battery
35. Cowl Mounted Trim Switch
36. To Remote Control Trim Switch
37. 12 Volt Accessory Power
38. To Analog Temperature Gauge
39. Detonation Sensor - Port Head
40. Detonation Sensor - Starboard Head
41. Engine Harness
42. 10-Pin SmartCraft Harness (Gauges)
43. DDT Data Port
44. 8-Pin SmartCraft Harness (Boat Sensors)