Schematics
BLACK
GREEN/YELLOW
GREEN/YELLOW
GREEN/BROWN
GREEN/BROWN
GREEN/GRAY
RED
RED
RED
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
RED/GREEN
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLUE/BLACK
BLUE/BLACK
RED/GREEN
BLUE
BLUE
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
GREEN
GREEN
GREEN
GREEN
GREEN
YELLOW
YELLOW
VIOLET/RED
YELLOW
YELLOW
YELLOW
YELLOW
VIOLET/WHITE
VIOLET/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
RED/WHITE
ORANGE
ORANGE
RED/WHITE
RED/WHITE
RED/WHITE
BLUE/RED
BLUE/RED
ORANGE/RED
ORANGE/RED
YELLOW
GREEN
GREEN
GRAY/VIOLET
GRAY/VIOLET
YELLOW/WHITE
YELLOW/WHITE
GRAY/ORANGE
GRAY/ORANGE
YELLOW/BLUE
YELLOW/BLUE
RED/GREEN
RED/GREEN
BLACK
BLACK
BLACK
RED
126-3991
RED
BLACK
BLACK
RED
RED
RED/GREEN
RED/GREEN
RED/WHITE
RED/WHITE
BLACK
BLACK
YELLOW/BLACK
YELLOW/BLACK
RUN
B+
PUMP CONNECTION DIAGRAM
GND TO CASE
P
B+
RUN
GND
SW01
RH NEUTRAL Switch
SW02
LH NEUTRAL Switch
SW03
BRAKE Switch
SW04
OPC Switch
S
IGNITION SWITCH
SW06
RUN
START
B
OFF
I
A
CLUTCH
L01
BT01
TE
TERMINAL -
BATTERY
NC
CAN HI
CAN LO
SW PWR
PWR
GND
CAP02
CAP
SERVICE PORT
START
K01
30
85
86
87
F01
20A
MAIN
F02
15A
ACC
PTO HALL-EFFECT SWITCH
SEN02
V+
GND
OUT
KNOB EXTENDED = HIGH
KNOB DEPRESSED = OPEN
ALM01
ALARM
+V
GND
N/C
BK
BU
RD
SEN01
FUEL SENDER SENSOR
GND
OUT
+12V
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
ORANGE
RED
ORANGE
ORANGE
GREEN/WHITE
SP09
GREEN/GRAY
RED/WHITE
RED/WHITE
GREEN/WHITE
RED/WHITE
RED/WHITE
GREEN/WHITE
RED/WHITE
GREEN/WHITE
BLACK
GREEN/WHITE
BLACK
BLACK
BLACK
PWM/E
A
+D
-D
OIL COOLER FAN
M01
M
SP07
SP01
SP02
SP03
SP04
SP05
SP06
SP08
CAP01
DUST CAP
SP10
SP11
BLACK
GREEN/WHITE
GREEN/WHITE
RED
BLACK
BLACK
D01
DIODE
BLACK
RED/GREEN
RED/GREEN
BLACK
R01
30K OHM
FAN
K07
30
85
86
87
ORANGE
ORANGE
ATC-ATO FUSE HOLDER CAP
F03
40A
FAN FUSE
SW05
DOWN
(ON)-OFF-(ON)
UP
D02
DIODE
ORANGE
ORANGE
ORANGE
ORANGE
BLACK
D03
DIODE
SP13
ORANGE/WHITE
ORANGE/WHITE
ORANGE/WHITE
SP15
SP16
F04
60A
REGULATOR
YELLOW
YELLOW
YELLOW
J04
J11
J10
J01
DECK LIFT PUMP
M04
J06
J05
J09
J02
J08
ECU PROT
K08
30
85
86
87
POWER DIST MODULE
1
3
4
5
6
13
15
16
17
18
7
19
P15
8
9
10
11
12
20
21
22
23
24
2
14
MAXI FUSE HOLDER
P33
B
A
ENGINE
ENG01
ECU PWR
CAN H
CAN L
MIL GND
GND-S/D
OIL PRESS
NC
STARTER
ENG
GND
IGNITION
MODULES
FLYWHEEL
ALT
FUSE 10A
FUSE 10A
ETB
B+
ECU
PX02
RIGHT PROX SENSOR
GND
OUT
+12V
OUT
GND
P102
A
B
C
PX01
LEFT PROX SENSOR
GND
OUT
+12V
OUT
GND
P101
A
B
C
P103
A
B
C
BLACK
SP101
RED/WHITE
WHITE/BLACK
WHITE/BLACK
DC REGULATOR
GND
AC
AC
AC
B+
3
P12
2
P12
1
P11
2
P11
1
P10
2
P10
1
P09
2
P09
1
P14
D
P14
C
A
B
P17
B
P17
A
LOGIC DISPLAY UNIT
DIS01
PWR
GND
CAN +
CAN LO
P04
1
2
3
4
RED-2 MASTER CONTROL UNIT
MOD01
IGN PWR
N/A
ALARM
N/A
B+
B+
GND TO S/D
GND
GND
CLUTCH OUT
FAN ENABLE
START ENABLE
CAN HI
NEUTRAL
BRAKE
OPC
N/A
KEY A
N/A
OIL PRESSURE
N/A
KEY S
N/A
CAN LOW
AIR FILTER
N/A
N/A
N/A
N/A
N/A
N/A
P01
1
2
3
4
5
6
7
8
9
10
11
12
P02
1
2
3
4
5
6
7
8
9
10
11
12
P03
1
2
3
PTO SWITCH IN
4
FUEL SENDER
5
6
7
DECK SENSOR
8
N/A
9
N/A
10
11
12
P13
B
P13
A
C
P19
B
P19
A
C
P06
A
B
C
P07
A
B
C
D
E
F
G
H
P18
1
2
3
4
5
6
P24
1
COIL-
2
COIL+
P25
DECK SENSOR PORT
A
B
C
P30
1
2
3
4
BLACK
P16
A
GND
B
ACC PWR
C
ACC SIGNAL
P22
B
P22
A
P20
B
P20
A
B
P21
A
P26
1
3
4
6
8
P26
2
5
7
P23
B
P23
A
P31
1
COIL-
2
COIL+
P32
B
P32
A
g294455
Electrical Schematic—Machine with Horizon Display Monitor (Rev. A)
68
Summary of Contents for Air Cool Z Master 74090
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