Wiring Diagrams - Yanmar 3YM20 Operation Manual

7. WIRING DIAGRAMS

7. WIRING DIAGRAMS
See Appendix B. at the back of this manual.
Color coding
R
Red
B
Black
W
White
L
Blue
RB
Red/Black
LB
Blue/Black
YW
Yellow/White
YB
Yellow/Black
YG
Yellow/Green
WL
White/Blue
WB
White/Black
WG
White/Green
GR
Green/Red
O
Orange
WBr
White/Brown
1
Starter switch
2
Stop switch
3
Tachometer hour meter
4
Buzzer
5
Lubricating oil low pressure alarm
6
Coolant high temperature alarm
7
Water in sail drive seal alarm
8
Battery low charge alarm
9
Relay (for 2 station: Option)
10
Fuse (3A)
21
Glow plug
22
Engine stop solenoid
23
Stop relay
24
Starter relay
25
Starter
26
Coolant high temperature switch
27
Lubricating oil low pressure switch
29
Alternator
30
Water in sail drive seal sensor (on sail drive)
Water in sail drive seal sensor amplifier (Sail
31
drive only)
33
Battery
34
Procured by customer
35
Battery switch
36
Earth bolt
37
Key switch
38
Only for sail drive
39
Wire harness. Option.
40
Instrument panel
41
Diodes
42
Alarm lamps
EN
53