Service Manual
520Dxi
BK
B+
OSCILLATOR
5
2
3
1
4
ELECTRONICS MODULE
PN 94-7614
VOLTAGE
COMPARATOR
6
W
GY
P
T
Y
GN
BU
BN
T
REVERSE
T
C
TEMP
OIL
PARK
Y
GN
BU
G
B
H
BN
FUEL
1
W
FUEL
GAUGE
SW5
(REVERSE SWITCH)
BK
W
#194
LAMP
L
S
G
I
REVERSE SWITCH
CLOSES WHEN HYDRO
TRACTION LEVER IS
MOVED TO REVERSE
CRUISE
PTO
BATTERY
GLOW PLUGS
WARNING LIGHT HARNESS
OR
W
VIO
GY
D
J
K
CRUISE SWITCH OPERATION
OFF NO CONNECTION
ON 3 AND 2 CONNECTED
MOMENTARY 3 AND 2 CONNECTED 5 AND 6 CONNECTED
95-3029
CRUISE MODULE
C
A
B
F
P
E
A
BK
Y
BN
BK
GY
OR
W
VIO
BK
P
BN
GY
BK
Y
GND
FUEL
SOLENOID
VIOBK
K1
K2
(INTERLOCK RELAY)
OR
BK
Y
K3
SW2
(BRAKE SWITCH)
BRAKE SWITCH CLOSES WHEN
BRAKE IS DEPRESSED
PTO SWITCH IS SHOWN
IN OFF POSITION
SW3
(PTO SWITCH)
(SEAT RELAY)
T
BUGN
BN
P
BK
GND
GN
OIL PRESS
FUEL SENDER
GND
T
#194
LAMP
L
S
G
I
BK
P
BK
HOUR
METER
BK
PTO
CLUTCH
BK
PARK SWITCH CLOSES
WHEN PARKING BRAKE
LEVER IS ENGAGED
TEMP
GAUGE
(PARK SWITCH)
SW6
BU
GN
BN
Y
SW7
(CRUISE DISENGAGE SWITCH)
SWITCH OPENS WHEN
BRAKE IS DEPRESSED
VIO
L2
MAGNET
GN
OR
2
3
5
6
(MOMENTARY)
SW8
BN
Diesel
D
Y
C
E
A
B
OR
TAIL LIGHTS
CRUISE SWITCH
REAR HARNESS
GN
BKBK
BK
P
W
OR
10A
F4
SEAT SWITCH IS CLOSED
WHEN OPERATOR IS IN
THE SEAT
SW1
(SEAT SWITCH)
PKOR
P
BU
BU
HEADLIGHT HARNESS
BK OR
2134
IRLS
(IGNITION SWITCH)
OFF--------------------NO CONNECTION
RUN/LIGHTS----------B I R L
RUN--------------------B I R
START------------------B I R S
SW4
I
B
L
B
5
R
S
GY
GN
BU
BN
BK
30A
F1
P
BU
IGNITION SWITCH TERMINAL
LOCATIONS VEIWED FROM BACK.
OR
GN
R
15A
F2
10A
F3
R R
ORANGE
GREY
WIRE COLOR CODES
GREEN
BLUE
BROWN
BLACK
WHITE
YELLOW
Y
W
VIOLET
TAN
RED
VIO
T
R
PINK
P
1
2
3
5
4
K4
(GLOW PLUG RELAY)
GY
GLOW PLUGS
BK
GND
BK
GND
Y
TEMP SWITCH
OR
FUSIBLE LINK
ST
B
STARTER
4
6
5
1
GLOW PLUG
TIMER
MODULE
P
P
BU
R
GY
W
ALTERNATOR
B
L
I
+-
FUSIBLE LINK
(STARTER
RELAY)
1
7
4
8
5
2
-
+
TEMP SENDER
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
5
4
3
2
6
ELECTRICAL
6-20 5xi Series Tractor Service Manual