ECM circuit diagram
5-14
1. Pulser coil
2. TPS
3. Air pressure sensor
4. Water pressure sensor
5. Speed sensor
6. Ground
7. Air temperature sensor
8. Thermo sensor
9. Trim sensor
10. Water detection switch
11. Knock sensor
12. Shift position switch
13. Engine shut-off switch
14. Oil pressure switch
15. Trolling switch (UP)
16. Trolling switch (DN)
17. Starter relay
18. Starter motor
19. High-pressure fuel pump relay
20. High-pressure fuel pump
21. Main relay
22. Rectifier/regulator
23. Battery
24. Main switch
25. Engine start switch
26. Engine ECM
27. Fuel injector #1
28. Fuel injector #4
29. Fuel injector #2
30. Fuel injector #3
31. Vapor shut-off valve
32. Ignition coil #1, #4
33. Ignition coil #2, #3
34. ISC valve
35. Oil pressure alert indicator
36. Overheat alert indicator
37. Alert buzzer
38. Tachometer (6Y5/6Y7)
39. 6Y8 network
40. YDIS
41. Reprogramming connector
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