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Electrical System
KohlerEngines.com 20 690 01 Rev. F
BATTERY CHARGING SYSTEM
NOTE: Observe following guidelines to avoid damage to electrical system and components:
● Make sure battery polarity is correct. A negative (-) ground system is used.
● Disconnect rectifi er-regulator plug and/or wiring harness plug before doing any electric welding on equipment
powered by engine. Disconnect all other electrical accessories in common ground with engine.
● Prevent stator (AC) leads from touching or shorting while engine is running. This could damage stator.
Most engines are equipped with either a 9 or 15 amp, regulated battery charging system. Some have a 3 amp,
regulated system with a 70 watt lighting circuit.
Wiring Diagram-3 Amp Regulated Battery Charging System/70 Watt Lighting
B
H
G
D
R
S
J
N
P
L
Q
E
C
T
O
U
A
M
F
I
K
J
T
P
Q
AC
AC
B+
A Red B Green C Violet D White
E Spark Plug F Optional Fuel Solenoid G
Optional Oil Sentry
™
Switch (Shutdown or
Indicator)
H Bendix Starter
I Engine Connector J Starter Solenoid K
Optional Oil Sentry
™
Switch (Indicator Light)
L Ground-To-Kill Lead
M Key Switch N
Optional Oil Sentry
™
Shutdown
O Optional Fuse P Battery
Q Rectifi er-Regulator R Flywheel S Stator T Ignition Module
U Accessory