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Wiring diagram
Wiring diagrams
NOTE! The wiring diagrams on this and the following pages are examples of wiring diagrams. The engines are not
fitted with an electrical system in the factory.
Wiring diagram (TD/TAD 520, 720, 721, 722 GE stage 1 engines)
1. Battery
2. Main switch
3. Starter motor
4. Alternator
8. Fuse
10. Oil pressure sender
11. Temperature sender/engine
connector
14. Oil pressure connector
15. Temperature sender/engine
connector
16. Relay
17. Stop solenoid
128
18. Horn
46. Water level connector (720 models)
52. Start connector
52a. Start relay
53. Interlock button
54. Stop button
57. Charge warning lamp
58. Oil pressure gauge
59. Water temperature gauge
61. Hour counter
65. Instrument illumination connector
66. Instrument illumination
84. Holding relay
Conductor area
12V
24V
2
2)
A.
90 mm
(0.140 in
70 mm
2
2)
B.
10 mm
(0.016 in
2.5 mm
C.
2.5 mm
2
(0.004 in
2)
2.5 mm
2
2)
D.
10 mm
(0.016 in
6 mm
2
2)
E.
6 mm
(0.009 in
2.5 mm
Unspecified area 1 mm
2
(0.002 in
Group 30
2
2)
(0.109 in
2
2)
(0.004 in
2
(0.004 in
2)
2
2)
(0.009 in
2
2)
(0.004 in
2)
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