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SCHEMATIC
SCH 11
TRACTOR - - MODEL NUMBER LTH18538 (289600)
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.
iGNiTiON SWITCH
POSITION CIRCUIT "MAKE"
OFF M+G+A1
RUN/OVERRIDE a+A1
RUN B+A1 L+A2
START B + S + A1
BATTERY
SOLENOID
AMMETER FUSE
(OPTIONAL)
q
I
q
BLACK
BLACK
: i : io
_K I ATT,_,-C}qMENT C___JS--CH
I
I I (CLUTCH O
,,
GRAY
I (NOT IN REVERSE)
..... I J
t _ BLACK
BLACK
BLACK
[
GRAY
JUNCTION
_CONNECTOR
SHORTING
CONNECTOR
CHASSIS
HARNESS
q
BLUE 4
A FUE_I
', 7/_NE,
I I
FUEL SHUT-OFF
IGNITION
UNIT
(OPTIONAL)
HOUR bMETER
O
SPARK A
PLUGS GAPW
(2 PLUGS ON
TWIN CYL, ENGINES)
POWER OUTLET
(OPTIONAL)
CHARGING SYSTEM OUTPUT 28 VOLTS AC MIN. @ 3600 RPM
SOLENOID 3 AMP DC @ 3600 RPM
(IF SO EQUIPPED) / 2ARGING SYSTEM DISCONNECTED)
RED f r I
, UGHT,NG SYSTEM OUJ_ J_S_ _i
I 5AMP AC @ 3600 RPM DIODE I ALTERNATOR _ I
LIGHT SWITCH '_
I , LGHT SWR I 14 VOLTS AC MIN. @ 360ORPM (LIGHTSOFF)
HEADLIGHTS
Q
CHASSIS HARNESS DASH HARNESS
CONNECTOR CONNECTOR
(MATING SIDE) (MATING SIDE)
WIRING INSULATED CLIPS
NOTE: iF WIRING INSULATED
CLIPS WERE REMOVED FOR
SERVICING OF UNIT, THEY
SHOULD BE RE-INSTALLED TO
PROPERLY SECURE YOUR
WIRING,
qD
_D
_D
_D
qD
qD
q_
O-
NON-REMOVABLE
CONNECTIONS
O
REMOVABLE
CONNECTIONS
29