Group 23 EMS 2 Electrical system
61
Cable colors
BL = Blue P = Pink
LBL = Light blue R = Red
BN = Brown SB = Black
LBN = Light brown VO = Purple
GN = Green W = White
GR = Grey Y = Yellow
OR = Orange
Wiring diagram CIU
1. Key switch running power (15+)
2. RPM-potentiometer
3. Tachometer (code 14)
4. Oil pressure, instrument
5. Oil temperature, instrument
6. Coolant temperature, instrument
7. Instrument illumination
8. Idle switch, two-position
9. 1500/1800 switch, two-position
10. Start switch, spring return
11. Stop switch, spring return
12. Diagnosis contact, spring return
13. Alarm, low oil pressure
14. Alarm, high oil temperature
15. Alarm, high coolant temperature
16. Alarm, low coolant level
17. Fuel alarm
18. Diagnostic lamp
19. Engine overspeed indication (GE)
20. Operation indicator
21. Pre-heating indication
22. Pre-heating contact
23. 8-pin Deutsch connecting plug
24. Regulator contact
25. Battery voltage alarm
26. Termination resistance 120 Ohm
27. 8-pin Deutsch connecting socket
28. Contact, engine protector disconnect
(not connected on GE-engines)
29. Easy Link connector block
30. Control Interface Unit (CIU)

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