Service Manual

SCHEMATICS
518xi
Layer 1P
T
BK
GY
B+
OSCILLATOR
VOLTAGE
COMPARATOR
ELECTRONICS MODULE
PN 94-7612
1
2
3
5
4
OR
PP
TEMP
SENDER
#194
LAMP
L
S
G
I
#194
LAMP
L
S
G
I
BK
BK
FUEL GAUGE
W
BK
OR
T
GN
OR
T
GN
K
C
B
#168 LAMP
#194 LAMP
#194 LAMP
REVERSE
P
WW
P
J
A
INDICATOR LIGHT
HARNESS
#194 LAMP
PTO
BK
TEMP. GAUGE
REVERSE SWITCH
CLOSES WHEN HYDRO
TRACTION LEVER IS
MOVED TO REVERSE
P P
W
GY
(REVERSE
SWITCH)
S5
Y
BK BN
SEAT SWITCH IS CLOSED
WHEN OPERATOR IS IN
THE SEAT
BRAKE SWITCH CLOSES
WHEN BRAKE IS DEPRESSED
S2
(BRAKE SWITCH)
PTO SWITCH IS SHOWN
IN OFF POSITION
S3
(PTO SWITCH)
GY
BK
BK
P
W
30A
F1
R
(INTERLOCK
RELAY)
BNOR
P
F3
10A
K2
(START
RELAY)
BNOR
K3
T BK
Y
S1
(SEAT
SWITCH)
BUGN
R
Y
PTO CLUTCH
BK
BK
BN
W
GN
GND
Y
K1
(KILL RELAY)
GN
-
HOUR
METER
BK
4
L
OFF-----------------------NOCONNECTION
RUN/LIGHTS-------------B I R L
RUN-----------------------B I R
START---------------------B I R S
(IGNITION SWITCH)
OR
OR
10A
F4
OR
HEADLIGHT HARNESS
5
B
2
R
1
S
3
I
S
I
R
S4
P RBN VIO
IGNITION SWITCH TERMINAL
LOCATIONS VEIWED FROM BACK.
L
B
BK
BN
BU
GN
P
PINK
R
T
VIO
RED
TAN
VIOLET
WIRE COLOR CODES
GY
OR
BLACK
BROWN
BLUE
GREEN
GREY
ORANGE
W
Y
YELLOW
WHITE
VIO
W
START
OIL
REG
MAG
B+
AC
IGNITION
MODULES
SPARK PLUGSPARK PLUG
AC
+-
OIL
SWITCH
SOLINOID
SHIFT
STARTER
FUEL
SOLINOID
BU
GN
VIO
ENGINE HARNESS
25A
F2
R
VIO
18 Kohler
OIL
BATTERY
GND
FUEL
SENDER
+
1
3
4 5
2
1
2
3 4 5
1
2
5
8
4
7
3
2 1
5 4
6
ELECTRICAL
5xi Series Tractor Service Manual 6-17