29
BATTERY
FUSE
IGNITION
SWITCH
RED RED
RED BLACK
IGNITION
UNIT

NON-REMOVABLE

CONNECTIONS

REMOVABLE

CONNECTIONS

BLACK
WHITE
RED
BLACK
STARTER
M
CLUTCH / BRAKE
(PEDAL UP)
SOLENOID
BLACK

WIRING INSULATED CLIPS

NOTE: IF WIRING INSULATED CLIPS WERE REMOVED FOR

SERVICING OF UNIT, THEY SHOULD BE REPLACED TO

PROPERLY SECURE YOUR WIRING.

A
AMMETER
RED
G
BSM
A1
A2
L
(OPTIONAL)
SPARK
PLUG
GAP
(2 PLUGS ON
TWIN CYL. ENGINES)

IGNITION SWITCH

CIRCUITPOSITION
OFF
B+A1RUN/LIGHT
B + S + A1START
M+G+A1
B+A1RUN
“MAKE”
A2+L
NONE
NONE
NONE
REGULATOR
ALTERNATOR
28 VOLTS AC @ 3600 RPM
(REGULATOR DISCONNECTED)
CHARGING SYSTEM OUTPUT
16 AMP DC @ 3600 RPM
PTO (DISENGAGED)
CG
F
B
E
A
D
H

SEAT SWITCH

(

NOT OCCUPIED)
HEAD-
LIGHTS
BLACK
BROWN

PTO SWITCH

CIRCUITPOSITION
OFF
C + F, B + E, A + DON
C + G, B + H

B

A

G

H

D

FC

E

BLUE
FUEL SHUT-OFF
SOLENOID
FUEL
LINE
(IF SO EQUIPPED)
ELECTRIC CLUTCH
OPERATOR PRESENCE
RELAY #1
85 86
30
87
87A
HOUR
METER
(OPTIONAL)
TRACTOR - MODEL NUMBER PR25PH48STC
SCHEMATIC