Yanmar 3JH3(8)E - APPENDIX A (Piping Diagrams); 7 Wiring Diagrams; APPENDIX B (Wiring Diagrams

7. Wiring diagrams
(See appendix B at the back of this book)
Colour coding for wiring
diagrams
R
Red
B Black
W White
Y Yellow
L Blue
G
Green
0
Orange
Lg Light green
Lb Light
blue
Br
Brown
P
Pink
Gr Grey
Pu Purple
46
For B/C-type panel
1 Starter switch
2
Stop switch
3
Switch (lamp chklillum.)
4
Relay
5 Relay (optional)
6 Engine stop solenoid (optional)
7 Procured by customer
8 (Cross
sectional area)
9 Battery switch
10 Battery
11 Air heater
12
Starter relay'
13 Starter
14 Cooling water temperature
switch
15 Engine
oil pressure switch
16
Alternator
17 Earth bolt
18 (Sail drive)
19 Tachometre sensor
20 (Cooling water temperature
sender)
21 Engine oil pressure sender
22 Wire harness for 2
panel
(optional)
23 Wire harness (optional)
24 Option
25 Instrument panel
26 Buzzer
27 Tachometre
28 Water proof
29
Oil pressure
30 Cooling Fresh Water temp.
31 Charge
32 Switch (lamp chklillum.)
33
Starter switch
34
Stop switch
35
Instrument panel
(No.2 station)(optional)
36 Tachometre
37 Buzzer
38 Water proof
39
Oil pressure
40 Cooling Fresh Water temp.
41 Charge
42 Buzzer switch
43
FUSE (3A)
44 Eng. oil pressure metre
45
Cooling water temp. metre
46 Hour metre
47
Illumination switch
48
Cooling water temp.
49 Eng.
oil pressure
• Note: When using extension wireharnesses of more than 6m, the starter
relay connection is as shown here.