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Group 30
Wiring diagram (TD/TAD520, 720, 721, 722 VE stage 2 engines key activation)
1. Battery
2. Main switch
3. Starter motor
4. Generator
5. Hourmeter
6. Fuse
7. Key switch
8. Start relay
9. Switch for instrument light
10. Charging control lamp 3W
11. Revolution counter
12. Instrument light
13. Power relay
14. Heating flange
15. Control unit air preheater
16. Preheater lamp
17. Resistor NTC
18. Temp switch excessfuel solenoid
19. Excessfuel solenoid
20. Stop solenoid
21. Signal horn
22. Water temperature gauge
23. Temp sender/switch engine
24. Alarm lamp cool water
25. Oil pressure gauge
26. Alarm lamp oil pressure
27. Oil pressure sender/switch
28. Water level switch
29. Alarm lamp water level
30. Relay
31. Preheating button
31. Diode
32. Tachometer (sender)
Conductor area
12V
24V
A.
90 mm
2
(0.140 in
2
) 70 mm
B.
16 mm
2
(0.025 in
2
)
16 mm
2
2
C.
25 mm
(0.04 in
)
25 mm
D.
50 mm
2
(0.08 in
2
)
25mm
E.
6 mm
2
(0.009 in
2
) 25 mm
2
Unspecified area 15 mm
(0.023 in
Wiring diagram
2
(0.109 in
2
)
2
(0.025 in
2
)
2
2
(0.04 in
)
2
(0.04 in
2
)
2
(0.04 in
2
)
2
)
131
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