29
BATTERY
FUSE
RED
RED
RED
RED
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
IGNITION
UNIT
SPARK
PLUGS GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
NON-REMOVABLE
CONNECTIONS
REMOVABLE
CONNECTIONS
BLACK
ORANGE
BROWN
M
SOLENOID
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
(OPTIONAL)
HEADLIGHTS
BLACK
RED
RED
ELECTRIC CLUTCH
CLUTCH / BRAKE
(PEDAL UP)
PTO (DISENGAGED)
C
G
F
B
E
A
D
H
RED
WHITE
WHITE
WHITE
GREEN
GREEN
BLUE
BLACK
HOUR
METER
(OPTIONAL)
BLUE
STARTER
PTO SWITCH
CIRCUIT
POSITION
OFF
C + F, B + E, A + D
ON
C + G, B + H
B
A
G
H
D
F C
E
FUEL SHUT-OFF SOLENOID
FUEL
LINE
IGNITION
SWITCH
G
B
S
M
A1
A2
L
OPERATOR
PRESENCE
RELAY #1
85
86
30
87
87A
SEAT SWITCH
(NOT OCCUPIED)
87
87A
85
86
30
RELAY
REGULATOR
ALTERNATOR
28 VOLTS AC @ 3600 RPM
(REGULATOR DISCONNECTED)
CHARGING SYSTEM OUTPUT
16 AMP DC @ 3600 RPM
IGNITION SWITCH
CIRCUIT
POSITION
OFF
B+A1
RUN/LIGHT
B + S + A1
START
M+G+A1
B+A1
RUN
“MAKE”
A2+L
NONE
NONE
NONE
TRACTOR - MODEL NUMBER PR22H48STA
SCHEMATIC
