V
W
Y
Z
L
M N
O
F
G
H
K
X
I
J
EDCBA
U
T
S
R
116
229042ABASJ46 AJ+, SJ46 AJ, SJ51 AJ
M231435AB-4
ENGINE Kubota WG2503 MAIN PANEL INTERFACE ENGINE HARNESS
76
77
68
68
57A
11
76
77
CANH
CANL
CANH
CANL
11
INTERFACE HARNESS
57A
DISCONNECT
TO MAIN
CONNECTOR P1
31 2
64 5
7 8
31 2
64 5
7 8
31 2
64 5
7 8
9 10
11 12
9 10
11 12
9 10
11 12
1700 RPM
2675 RPM
ENGINE RUNNING
GROUND
TO BATTERY
(RED)
(TWIST WIRES 10 TURNS (360 DEG)/FOOT FULL LENGTH)
(WHITE)
(RED/TAN)
(PINK/DK GREEN)(RED)
(RED)(PINK/YELLOW)
(WHITE)
(PINK/DK GREEN)
68
FP
G
32
M
ALTERNATOR
FUSE 60A
68
11
76
(PURPLE)
H (DK GREEN/PURPLE)
F11
FUSE 15A
FUEL PUMP
3056
D (PINK/YELLOW)
C (BLACK/RED)
3002
VSW
FUSE 5A
F7
A (PINK)
STARTER
FUSE 15A
F12
G (GREEN/YELLOW)
F (LT BLUE/PINK)
84 (BROWN/WHITE)
49 (DK GREEN/PURPLE)
89 (PINK/YELLOW)
78 (TAN/BLACK)
44 (PINK/TAN)
77 (WHITE/BLACK)
72 (PINK/BLACK)
74 (GREEN/YELLOW)
42 (GRAY/RED)
34 (GRAY/DK BLUE)
90 (BLACK/RED)
AUX PWM5
(FUEL SEL) AUX DIG 1
AUX PWM 3 REC
(FPUMP) AUX PWM6
VSW
LOCK OFF
(STARTER) AUX PWM4
MIL
(GOV 2) AUX DIG 4
GOV 1
AUX PWM 3
J (GRAY/RED)
K (GRAY/DK BLUE)
3000
C (BROWN/WHITE)
E (DK BLUE)
87 (DK BLUE) AUX PWM 2
J (PURPLE/YELLOW)
54 (PURPLE/YELLOW) FPP2 IVS
K (DK BLUE/ORANGE)
53 (DK BLUE/ORANGE) FPP1
R (LT GREEN/BLACK)
32 (LT GREEN/BLACK) 5V RTN 2
S (LT GREEN/PURPLE)
31 (LT GREEN/PURPLE) 5V EXT 2
A (UNUSED)
83 (WHITE/BROWN) AUX PWM5 RECIRC
B (WHITE/BROWN)
43 (GRAY) TACH
D (GRAY)
E (BLACK)
69 (BLACK) GROUND
81 (BLACK) GROUND
85 (TAN) AUX PWM1
F (TAN)
G (YELLOW/DK BLUE)
39 (YELLOW/DK BLUE) AUX ANA PU 2
H (DK BLUE/YELLOW)
40 (DK BLUE/YELLOW) AUX ANA PU 3
50 (TAN/RED) AUX DIG 2
L (TAN/RED)
41 (TAN/DK GREEN) AUX DIG 3
M (TAN/DK GREEN)
30 (RED/BLACK) SPEED -
N (RED/WHITE)
29 (RED/WHITE) SPEED +
P (RED/BLACK)
12 (ORANGE/YELLOW) AUX ANA PD 1
R (ORANGE/YELLOW)
S (PINK/DK GREEN)
F8
FUSE 10A
ECM
73 (WHITE/LT BLUE) RELAY
79 (RED/TAN) VBAT
F10
FUSE 15A
IGNITION
F9
FUSE 5A
DEPR
65 (BROWN/LT GREEN)
INJ 4 LS
64 (BROWN/LT BLUE) INJ 1 LS
BA
DC
OXS2
OXS1
22 (DK GREEN/WHITE) EGO 2
21 (DK GREEN/ORANGE) EGO 1
62 (BLACK/WHITE) EGOH 1
61 (BLACK/YELLOW) EGOH 2
L (BLACK/LT GREEN)
M (LT GREEN/RED)
19 (LT GREEN/RED) 5V EXT 1
14 (DK BLUE/PINK) CAN 1 +
15 (BLUE/WHITE) CAN 1 -
P (BLUE/WHITE)
N (DK BLUE/PINK)
CONNECTOR VIC1CONNECTOR VIC2
AC
DB
MS1
36 (YELLOW/GRAY) IAT
23 (LT GREEN) MAP
SPK COIL 1A
25 (PURPLE/WHITE) CRANK +
26 (WHITE/PURPLE) CRANK -
2
4
2
3
1
DEPR1
5
1
4
1
5
6
TA1
20 (BLACK/LT GREEN) 5V RTN 1
82 (TAN/ORANGE) DBW -
80 (PINK/WHITE) DBW +
48 (LT BLUE/DK BLUE) TPS 2
47 (PURPLE/LT BLUE) TPS 1
3
2
DIAGNOSTIC
8 (BLUE/WHITE)
7 (DK BLUE/PINK)
21
TPS1
37 (TAN/WHITE) ECT
35 (LT BLUE) OIL PRES
ECU1
ECU
POSITION SENSOR
CAMSHAFT
SPARK COIL
POWER RELAY
M.A.P. SENSOR
THROTTLE
ACTUATOR
PROPANE DIRECT
ELECTRONIC PRESSURE
SWITCH
OIL PRESSURE
FUEL PUMP
RELAY
FUEL PUMP
STARTER RELAY
SOLENOID
PROPANE LOCKOFF
ENGINE START
SWITCH
SWITCH
MAIN ENGINE
GAS/PROPANE
SELECTOR SWITCH
CHECK ENGINE
LIGHT
EL. MOTOR
ENGINE STARTER
ALTERNATOR
OPS1
POST-CAT
OXYGEN SENSOR
OXYGEN SENSOR
PRE-CAT
ENGINE COOLANT
TEMPERATURE SENSOR
GI4
GI3
GI2
GI1
CYLINDER #1
GAS INJECTOR
GAS INJECTOR
CYLINDER #3
CYLINDER #2
GAS INJECTOR
GAS INJECTOR
CYLINDER #4
2P-56
CPS1
F13
57ACR
32BCR
56CR
ENGINE STARTER
SOLENOID
2002CR
11
76
57A
57A
66 (BROWN/YELLOW)
INJ 2 LS
67 (BROWN/WHITE)
INJ 3 LS
CPS2
1
2
28 (PURPLE/ORANGE)
27 (GRAY/BROWN)
CAM-
CAM+
CRANKSHAFT
POSITION SENSOR
00A
00A
B
DIAGNOSTIC DISPLAY
42
3
CAN H
CAN L54A
3000
1
4 (BLACK) SPARK GND
21
43
GPS1
38 (LT GREEN/WHITE)
13 (WHITE/LT GREEN)
(FRT) AUX ANA PU1
(FRP) AUX ANA PD2
PRESSURE SENSOR
GASOLINE
C (LT GREEN/RED)
A (BLACK/LT GREEN)
B (LT GREEN/WHITE)
D (WHITE/LT GREEN)
(GREEN/RED)
(WHITE)
(GREEN/WHITE)
(BLACK)
C
D
A
KS
1
2
52 (BLACK)
51 (BLACK/YELLOW)
KNK1-
KNK1+
KNOCK SENSOR
21
SC1
21
SC4
SPK COIL 1B
CYLINDER #1
SPARK COIL
CYLINDER #4
1 (YELLOW)
2 (YELLOW/BLACK)
21
SC3
SPK COIL 2A
3 (YELLOW/RED)
SPARK COIL
CYLINDER #3
21
SC2
5 (YELLOW/WHITE)
SPK COIL 2B
SPARK COIL
CYLINDER #2
BA
DC
6
REGULATOR
CAN H
CAN L
68
67
66
65
64
63
62
61
59
58
57
56
55
60
54
52
53
51
50
49
48
47
46
45
44
43
41
40
42
39
38
36
35
34
33
32
37
31
30
29
28
27
26
25
24
23
22
20
21
19
18
17
15
16
13
12
11
10
9
14
8
7
6
4
3
5
2
1
69
70
71
72
3.56 Interface & Engine Electrical Schematic - Kubota WG2503
3.56 Interface & Engine Electrical
Schematic - Kubota WG2503
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