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Group 30
Wiring diagram (TD/TAD520, 720, 721, 722 VE stage 1 engines with start-/ stop button
activation)
1. Battery
2. Main switch
3. Starter motor
4. Generator
5. Hourmeter
6. Fuse
7. Start button
8. Start relay
9. Holding current relay
10. Charging control lamp 3W
11. Stop button
12. Switch for instrument light
13. Revolution counter
14. Instrument light
15. Preheating time control unit
16. Glow plugs
17. Tachometer (sender)
18. Preheater lamp
19. Temp switch excessfuel solenoid
20. Excessfuel solenoid
21. Stop solenoid
22. Signal horn
23. Water temperature gauge
24. Temp sender/switch engine
25. Alarm lamp cool water
26. Oil pressure gauge
27. Oil pressure sender/switch
28. Alarm lamp oil pressure
29. Alarm lamp water level
30. Water level switch
31. Relay
32. Diode
33. Supply button
Conductor area
12V
24V
A.
90 mm
2
(0.140 in
2
) 70 mm
1)
2)
B.
10
mm
2
(0.016 in
2
) 6
mm
2
2
C.
25 mm
(0.04 in
)
25 mm
D.
50 mm
2
(0.08 in
2
)
25 mm
E.
6 mm
2
(0.009 in
2
) 25 mm
2
Unspecified area 15 mm
(0.023 in
1)
2
For 6-cylinder = 16 mm
(0.025 in
2)
2
For 6-cylinder = 10 mm
(0.016 in
Wiring diagram
2
(0.109 in
2
)
2
(0.009 in
2
)
2
2
(0.04 in
)
2
(0.04 in
2
)
2
(0.04 in
2
)
2
)
2
)
2
)
129
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