Electrical System
3362 690 02 Rev. D KohlerEngines.com
Digital Spark Advance Ignition (DSAI) System
This system uses a digital microprocessor which is located in ignition modules. Ignition timing varies depending upon
engine speed with this system. There are 2 inductive-style ignition modules that control ignition timing based on
engine RPM. A typical DSAI application consists of:
● 1 magnet assembly, which is permanently affi xed to fl ywheel.
● 2 inductive, 12-volt ignition modules, which mount on engine crankcase.
● 1 12-volt battery, which supplies current to ignition modules.
● 1 kill switch (or key switch) which grounds spark advance module to stop engine.
● 2 spark plugs.
Wire Diagram-15/20/25 Amp Regulated Battery Charging System with DSAI Ignition and Four Pin Connector
AC
A
B
R
J
E
H
L
K
Y
G
R
W
T
O
X
F
W
Z
AA
AB
V
I
S
M
X
D
S
P
B
S
C
B
Q
U
N
AD
A Blue B Red C Green D Violet
E White F Black G Connector H Polarity Ribs
I Battery J Battery Positive K Battery Negative L Starter Solenoid Stud
M Starter Solenoid Tang N Starter O Oil Sentry
™
P Rectifi er-Regulator
Q Rectifi er-Regulator
Connector
R Spark Plug(s) S Ignition Module(s) T Module Mounting
Screw
U Flywheel Stator
Assembly
V Carburetor W Ground X White
(AC Charging Leads)
Y Spark Plug Lead Z Black (Ground) AA Red (B+) AB White (Shut Off)
AC Solenoid Lead AD Carburetor Mounting
Stud
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