Electrical System
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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.
A Oil Pressure Switch B
Green (Oil Sentry
™
Pulse Signal Lead)
C
Black (Ground) Intake
Manifold Mounting
Screw
D Black
E White F Red G Spark Plug(s) H Black (Ground)
I Red (B+) J White (DSAI Kill) K Module Screw L
Flywheel Stator
Assembly
M DSAI Module N
White (AC Charging
Leads)
O
Rectifi er-Regulator
Connector
P Rectifi er-Regulator
Q Violet (B+ Lead) R Starter Assembly S
Oil Sentry
™
Pulse
Signal
T
Alternate Ignition
Pulse Signal (–)
U Fuse V Starter Solenoid Tang W Starter Solenoid Stud X Blue
Y
Accessory Terminal
(+)
Z Yellow AA Red (DSAI Power) AB White (DSAI Kill)
AC Carburetor AD Solenoid Lead AE Ground AF
Intake Manifold
Screw
AG Black (Ground) AH
Oil Sentry
™
Panel
Light/Remote Light
AI Oil Sentry
™
Light AJ Connector
AK Magneto AL Key Switch AM Accessory AN Battery
AO Starter AP
Key Switch Ground
(Black)
AQ Rectifi er AR Blue/Red
AS Battery Positive AT Battery Negative AU
Customer Supplied
Relay Cranking
AV Relay Stud
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