29
TRACTOR - - MODEL NUMBER LTH18538 (289600)
SCHEMATIC
M
FUSE
STARTER
SOLENOID
BATTERY
CLUTCH/BRAKE
(PEDAL UP)
REVERSE SWITCH
(NOT IN REVERSE)
SEAT SWITCH
(NOT OCCUPIED)
SHORTING
CONNECTOR
CHASSIS
HARNESS
IGNITION
UNIT
HOUR
METER
CHASSIS HARNESS
CONNECTOR
(MATING SIDE)
DASH HARNESS
CONNECTOR
(MATING SIDE)
FUEL
LINE
FUEL SHUT-OFF
SOLENOID
(IF SO EQUIPPED)
JUNCTION
CONNECTOR
S
M
B
G
L
2
3
1
6
A2
A1
M
63
52
41
6
5
4
3
2
1
SPARK
PLUGS GAP
(2 PLUGS ON
TWIN CYL. ENGINES)
(OPTIONAL)
NON-REMOVABLE
CONNECTIONS
REMOVABLE
CONNECTIONS
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED
CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY
SHOULD BE RE-INSTALLED TO
PROPERLY SECURE YOUR
WIRING.
SCH11
IGNITION SWITCH
CIRCUIT
POSITION
OFF
B+A1
RUN/OVERRIDE
B+S+A1START
M+G+A1
B+A1RUN
“MAKE”
L+A2
ATTACHMENT CLUTCH
(CLUTCH OFF)
BLACK
BLACK /WHITE
BLUE
BLUE
BLACK
BLACKBLACK
BLACK
BLACK
BLACK
BLACK
BLACK
D
E
R
RED
WHITE
WHITE
GRAY
GRAY
BLACK
BLACK
POWER OUTLET
(OPTIONAL)
12V
BLACK
A
AMMETER
(OPTIONAL)
RED
BLACK
BROWN
HEADLIGHTS
LIGHT SWITCH
ORANGE
LIGHTING SYSTEM OUTPUT
5 AMP AC @ 3600 RPM
ALTERNATOR
14 VOLTS AC MIN. @ 3600 RPM (LIGHTS OFF)
DIODE
28 VOLTS AC MIN. @ 3600 RPM
(CHARGING SYSTEM DISCONNECTED)
CHARGING SYSTEM OUTPUT
3 AMP DC @ 3600 RPM
NOTE
YOUR TRACTOR IS
EQUIPPED WITH A SPECIAL
ALTERNATOR SYSTEM.
THE LIGHTS ARE NOT
CONNECTED TO THE
BATTERY, BUT HAVE THEIR
OWN ELECTRICAL SOURCE.
BECAUSE OF THIS, THE
BRIGHTNESS OF THE LIGHTS
WILL CHANGE WITH ENGINE
SPEED. AT IDLE THE LIGHTS
WILL DIM. AS THE ENGINE IS
SPEEDED UP, THE LIGHTS
WILL BECOME THEIR
BRIGHTEST.