CT440-445-450 Electrical Schematic CT440-450 ELEC MF V-1378-4

R
EHEAT RELAY
RED
BLK/
RED
85
30
86
87
87A
START
RUN
OFF
GLOW PLUG
I
B
IGNITION SWITCH
SO
ST
RED
RED/
BLK
RED/
GRN
RED/
WHT
FUSE - 5A
(OCU)
SEAT
SWITCH
Y
E
L
R
E
D
/
B
L
U
Y
E
L
/
B
L
U
R
E
D
/
B
L
U
MID-PTO
SWITCH
(IF EQUIPPED)
BRAKE (+)
SIGNAL
OPERATIONAL CONTROL UNIT
FUSE - 5A
ALTERNATOR EXCITE
FUSE - 25A
FUEL PULL
DIODE
ENGINE
STOP
SIGNAL
ENGINE
START
SIGNAL
SPEED
SENSOR
B
L
K
W
H
T
BA
BA
FUSE – 5A
(INSTRUMENT PANEL)
CHARGE
SYSTEM
LIGHT
PARKING
BRAKE
LIGHT
ENGINE
OIL
PRESS.
LIGHT
FUEL
LEVEL
GAUGE
ENGINE
COOLANT
TEMP.
GAUGE
PRE-HEAT
LIGHT PTO
LIGHT
B
L
K
R
E
D
/
W
H
T
INSTRUMENT PANEL
P
N
K
/
B
L
K
PNK/
BLK
B
L
U
/
R
E
D
RED
RED
B
L
K
/
W
H
T
R
E
D
/
W
H
T
R
E
D
/
B
L
U
R
E
D
/
B
L
U
RED = RED
BLK = BLACK
BLU = BLUE
GRN = GREEN
YEL = YELLOW
PNK = PINK
WHT = WHITE
BRN = BROWN
GRY = GRAY
ORG = ORANGE
RED/
GRN
Y
E
L
/
B
L
K
B
L
K
/
R
E
D
19
8
DIODE
OCU
POWER
4 5
1
22
23
1725
2118
39 37 7 20 19
B
L
K
/
R
E
D
R
E
D
/
W
H
T
P
N
K
P
N
K
3
YEL/
BLU
BLK/
RED
REAR
PTO
SWITCH
YEL/
RED
Charge
Signal Input
SHUTTLE
SHIFT
(F-N-R)
SWITCH
R
E
D
/
W
H
T
R
E
D
/
B
L
U
WIRING SCHEMATIC
CT445 (S/N AKB911001 AND ABOVE)
CT450 (S/N AKBP11001 AND ABOVE)
(PRINTED DECEMBER 2009)
V-1378
1 of 4
Dealer Copy -- Not for Resale
85
30
86
87
87A
B
1
Y
E
L
/
W
H
T
TACH
RPM
x
100
COOLANT
TEMP
.
ENGINE
COOLANT
TEMP.
GAUGE
HOURMETER
H
Y
E
L
/
B
L
K
R
E
D
/
B
L
K
R
E
D
/
B
L
K
FUSE – 15A
(LIGHTS)
Y
E
L
HIGH
BEAM
LIGHT
RIGHT
DIRECTIONAL
LIGHT
LEFT
DIRECTIONAL
LIGHT
R
E
D
/
B
L
U
B
L
K
R
E
D
SWITCHED
POWER
B
R
N
/
W
H
T
B
R
N
/
W
H
T
DASH
LIGHTS
B
L
K
/
R
E
D
B
L
K
/
R
E
D
20
19 11 18 12 13
34
R
E
D
33
CRUISE
UNLOCKED
BRAKE
PEDAL
N
L
M
H
B
L
U
/
W
H
T
85
30
86
87
87A
Y
E
L
/
W
H
T
B
L
K
SHUTTLE
RELAY
2 of 4
Dealer Copy -- Not for Resale
Printed in U.S.A.
S
STARTER
B
M
+
-
BATTERY
FRAME
GROUND
R
E
D
ALTERNATOR
B
PREHEAT RELA
Y
B
L
K
R
E
D
85
30
86
87
87A
R
E
D
R
E
D
FUSE – 60A
(SLOW BLOW)
STARTER RELAY
85
30
86
87
87A
RED
BLK
BLU/
RED
RED
B
L
K
/
G
R
N
FUSE - 5A
ALTERNATOR E
X
B A
B A
GLOW PLUGS
HR
HR
HR
FUEL
SHUTOFF
SOLENOID
HOLD
BA
A B
0.3 ohm
28 ohm
PULL RELAY
85
30
86
87
87A
PULL
BLK
DIODE
CHARGE
SYSTEM
LIGHT
PARKING
BRAKE
LIGHT
B
L
K
R
E
D
ENGINE
OIL
PRESS.
LIGHT
FUEL
LEVEL
GAUGE
FUEL LEVEL
SENSOR
B A
B A
Y
E
L
/
B
L
K
OIL PRESSURE
SWITCH
G
R
Y
ENGINE
COOLANT
TEMP.
GAUGE
PRE-HEAT
LIGHT PTO
LIGHT
Y
E
L
/
B
L
K
R
E
D
/
B
L
U
R
E
D
/
B
L
U
B
L
K
R
E
D
/
B
L
U
B
L
K
/
W
H
T
R
E
D
/
W
H
T
P
N
K
/
B
L
K
B
L
K
ENGINE COOLANT
TEMPERATURE
Y
E
L
/
G
R
N
Y
E
L
217
36
5
DIODE
RED
HR
BLU/
RED
ST
B
R
FUSE - 20A
CRUISE/PREHEAT/PTO
P
N
K
DIODE
OUT
P
N
K
ON
R
E
D
/
B
L
U
R
E
D
/
B
L
K
BRAKE SWITCH
RED/
BLK
B
L
U
PTO
SWITCH
G
R
N
PTO
RELAY
G
R
N
B
L
K
O
R
G
Y
E
L
/
R
E
D
B
L
K
DIODE
PTO
SOLENOID
85
30
86
87
87A
Grd
BLK
RED
TO CAB
(IF EQUIPPED)
PREHEAT UNIT
PNK/
BLU
B
L
U
/
R
E
D
3 of 4
Dealer Copy -- Not for Resale
V-1378 (12-2-09)
2
LIGHT SWITCH
1
B1
T
FUEL LEVEL
SENSOR
A
A
Y
E
L
/
B
L
K
W
H
T
/
B
L
K
B
L
K
TACH
RPM
x100
COOLANT
TEMP.
ENGINE
COOLANT
TEMP.
GAUGE
H
O
Y
85
30
86
87
87A
WHT/
YEL
B
R
N
/
W
H
T
B
L
K
B
L
K
/
Y
E
L
W
H
T
H
E
A
D
L
I
G
H
T
S
B
L
K
B
L
K
W
H
T
HIGH
BEAM
LIGHT
Y
E
L
RIGHT TURN /
FRONT MARKER
LIGHT
B
L
K
B
L
K
G
R
N
/
W
H
T
LIGHT
LIGHT
W
H
T
G
R
N
/
W
H
T
R
E
D
/
W
H
T
W
H
T
ENGINE COOLANT
TEMPERATURE
SENSOR
85
30
86
87
87A
Y
E
L
B
L
K
B
R
N
LOW
BEAM
HIGH
BEAM
T
U
R
N
S
I
G
N
A
L
S
W
I
T
C
H
H
A
Z
A
R
D
S
W
I
T
C
H
FUSE – 20A
(HORN / FLASHERS)
R
E
D
R
E
D
/
W
H
T
G
R
N
/
W
H
T
B2
L
R
B
L
U
FLASHER
B
L
K
Y
E
L
G
R
N
L
G
R
L
G
R
L
G
R
G
R
N
/
W
H
T
R
E
D
/
W
H
T
92940
28272
YEL
L
G
N
BLK/
WHT
HORN
B
L
K
HORN
SWITCH
H B1
DIODE
LEFT TURN /
FRONT MARKER
LIGHT
B
R
N
/
W
H
T
B
L
U
FUSE - 10A
BRAKE LIGHT
R
E
D
/
W
H
T
Y
E
L
/
G
R
N
BRAKE
RELAY
85
30
86
87
87A
RIGHT BRAKE /
TAIL / TURN
LIGHTS
B
L
K
B
L
K
B
R
N
/
W
H
T
B
R
N
/
Y
E
L
B
L
K
R
E
D
/
W
H
T
FUSE - 10A
4WD
4WD
SWITCH
DIODE
4WD SOLENOID
YEL/
WHT
G
R
N
G
R
N
Y
E
L
/
W
H
T
B
L
K
B
L
K
4WD
CRUISE
LEFT BRAKE /
TAIL / TURN
LIGHTS
G
R
N
/
W
H
T
W
H
T
UNLOCKED
BRAKE
PEDAL
N
L
M
H
4 of 4
Dealer Copy -- Not for Resale