Yanmar 1GM10 Operation Manual page 89

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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
V Purple
BW Blue / White
O Orange
WBr White / Brown
GM Series Operation Manual
Engine Harness
+
-
Ignition
Air Heater / Glow (option)
Alternator Exciter
Alternator Charge Alarm
Engine Oil Pressure Alarm
Engine Oil Pressure
Sail Drive Seal
Water Temperature Alarm
Water Temperature
ACC Power
Fuel Tank Level
Pulse for Tachometer
Electric Stop
SYSTEM DIAGRAMS
1 – Instrument panel B20 (Option)
2 – Alarm lamps (3 to 6)
3 – Engine oil low pressure
indicator
4 – Cooling water high
temperature indicator
5 – Water in sail drive seal
indicator
6 – Battery low charge indicator
7 – Tachometer
8 – Segmented display
9 – Control unit (Tacho gauge)
10 – Fuse 3A
11 – Buzzer
12 – Switch module (13 to 14)
13 – Start switch
14 – Power switch
15 – Control unit (Switch module)
16 – Fuel tank level sensor input
17 – ACC power
18 – ACC GND
19 – Conversion harness
20 – Water in sail drive seal sensor
amplifier (Sail drive only)
21 – Wire harness
22 – Procured by customer
23 – Battery
24 – Battery switch
25 – Neutral switch (Option)
26 – Fuse 30A
27 – Starter
28 – Alternator
29 – Ground
30 – Cooling water temperature
switch
31 – Engine oil pressure switch
32 – Tacho sender
33 – Water in sail drive seal sensor
(Sail drive only)
34 – Details of coupler (Wire
harness, view from A-A)
35 – Details of coupler (Wire
harness, view from B-B)
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