
SYSTEM DIAGRAMS
GM Series Operation Manual 83
12/05
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)
Color Coding Engine Harness
RRed +
BBlack -
W White Ignition
L Blue Air Heater / Glow (option)
RB Red / Black Alternator Exciter
LB Blue / Black Alternator Charge Alarm
YW Yellow / White Engine Oil Pressure Alarm
YB Yellow / Black Engine Oil Pressure
YG Yellow / Green Sail Drive Seal
WL White / Blue Water Temperature Alarm
WB White / Black Water Temperature
V Purple ACC Power
BW Blue / White Fuel Tank Level
O Orange Pulse for Tachometer
WBr White / Brown Electric Stop
GM_OM.book 83 ページ 2013年6月10日 月曜日 午後2時26分
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