Yanmar 3JH4E Service Manual page 189

(2) For C-type instrument panel
(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)
11 Starter switch
12 Stop switch
13 Tachometer / Hour meter
14 Buzzer
15 Lubricating oil low pressure alarm
16 Coolant high temperature alarm
17 Water in sail drive seal alarm
18 Battery low charge alarm
19 Oil pressure meter
20 Coolant temperature meter
21 Air heater (Option)
22 Engine stop solenoid
23 Stop relay
24 Starter relay
25 Starter
26 Coolant high temperature switch
27 Lubricating oil low pressure switch
28 Alternator (Option)
29 Alternator
30 Water in sail drive seal sensor (on sail drive)
Water in sail drive seal sensor
31
Amplifier (Sail drive only)
32 Battery (Option)
33 Battery
34 Oil pressure sensor (Option)
35 Coolant temperature sensor (Option)
Option
2
Alarm lamps 10
R
4
W
5 6 7 8
17 AC
YW WL YG LB
R
30
G2 G1
1
L L
diodes
B
O
P
3
Instrument panel (sub station) (Option)
Alarm lamps
12
Fuse (3A)
R
14 15 16 17 18
W
17 AC
YG G YG LB
R
30
G2 G1
11
L L
diodes
B
YB WB O
P
YW WL
19 20 13
Instrument panel (Main station) (Option)
9
WBr
3R
5R 5R
2B
3L
Relay
Wire
harness
WBr
26
A
Wire Wire harness
B
harness for sub panel A L
YG
RB
31
only for
sail drive
173
Procured by customer
12V
12V
32 33
Battery
switch
2R
22
2B
B
21
WBr
W/Y
23
Option
24
3R
Option
YW
E
WL
B
L LB LB
RB RB
R
28
27
WB
YB
35
34
Key switch
GLOW
OFF
WB YR Y WR
3R 3W YW WL WG B
ON
YB GB G GR
3L
RB LB O YG
START
12. Electrical System
2W
S
2R
B
25
10B
E
10R
B
Earth bolt
L
R
Y
29
YG
B
O
30
only for
sail drive
30 AC G1 G2 17