PAGE 88 — PRX RIDE-ON POWER FLOAT • OPERATION MANUAL — REV. #1 (01/05/21)
ELECTRICAL SCHEMATIC (MAIN 1)
/3_OF_5.B1
/3_OF_5.B1
/2_OF_5.C2
/3_OF_5.B1
/3_OF_5.C6
/2_OF_5.B1
/3_OF_5.D7
/2_OF_5.C7
/2_OF_5.C2
/2_OF_5.D2
/2_OF_5.D2
/2_OF_5.C3
/2_OF_5.B1
/3_OF_5.D7
/2_OF_5.B1
/3_OF_5.D7
/3_OF_5.D7
/2_OF_5.B7
/4_OF_5.B1
/4_OF_5.C1
/4_OF_5.B1
/3_OF_5.D7
/3_OF_5.D7
/4_OF_5.B1
/4_OF_5.C1
/4_OF_5.C1
/2_OF_5.B7
/2_OF_5.D2
/2_OF_5.B7
/2_OF_5.D1
/2_OF_5.B7
/3_OF_5.B1
/2_OF_5.A7
/3_OF_5.A1
/2_OF_5.B6
/2_OF_5.A7
/2_OF_5.A7
/3_OF_5.B1
/3_OF_5.B1
/3_OF_5.B1
/3_OF_5.B1
/3_OF_5.A1
/3_OF_5.A1
/3_OF_5.B1
/3_OF_5.B1
/3_OF_5.D8
/3_OF_5.D8
/2_OF_5.D2
/4_OF_5.C1
/2_OF_5.D1
/4_OF_5.B1
/3_OF_5.B1
/2_OF_5.B1
/2_OF_5.B1
/2_OF_5.C6
/3_OF_5.C6
/3_OF_5.C7
/3_OF_5.C7
/3_OF_5.C6
/3_OF_5.C6
/4_OF_5.B1
/4_OF_5.C1
/4_OF_5.B1
/4_OF_5.B1
/4_OF_5.C1
/4_OF_5.C1
/4_OF_5.C1
/4_OF_5.C1
/4_OF_5.B1
/4_OF_5.B1
/2_OF_5.B1
/2_OF_5.B1
/2_OF_5.A7
/2_OF_5.A7
/4_OF_5.D7
/4_OF_5.A7
/3_OF_5.B1
/2_OF_5.D4
/2_OF_5.D4
/2_OF_5.C7
/2_OF_5.C7
+45256
-Z15
SPLICE
+45256
-Z14
SPLICE
/2_OF_5.D7
/2_OF_5.D7
/2_OF_5.D7
43411
-U1
+Main
MC43 CONTROLLER
45357
-F1
+Main
MVEC Fuse Box
42140
-K1
+Main
Machine
Pwr Rly Mod
6
+CAN_B
12
- CAN_B
1
IGN
8
IGN
3
J3 (CAN CON.)
FUSE BLK GND
1
T6
SWT BATT
1
T5
UN-SW BAT
A
J2 (GREY)
+Main
UN-SW PWR
B
IGN SW PWR
C
ACC PWR
D
MC43_12V
E
SPRAY PUMP PWR
A
J1 (BLACK)
+Main
LH GLY COOL FAN PWR
B
HORN
D
HYD COOL FAN PWR
E
SEAT SW PWR
F
RH GLY COOL FAN PWR
G
SWT PWR
Swt
T2
SWT BATT
Swt Bat Fuse - 60 A
Top Fuse, By Fuse Box
Fus
T3
UN-SW BAT
Live Bat Fuse - 30 A
Bottom Fuse
A
J1
IGN
B
PRM GND
Supply
T1
BATTERY POS
C
SEVCON_WAKEUP
42713
-TB1
+Main
Ground Buss Bar
1
-T1
BA
TTE
RY
NEG
1
J1
FUSE BLK GND
2
PRM GND
3
GND
4
MC43_GND
5
RH GND
6
GL
Y COO
L GND
7
LH GND
8
GL
Y COO
L GND
9
SW
T GND
6
J2
GND
7
GND
8
GND
9
GND
10
GND
11
GND
12
GND
43318
-Q3
+Main
GENERATOR
CNTRLR
SEVCON SIZE 8
RECTIFIER
404006
-BT1
+Main
BATTERY
45018e
-ENG1
+Main
Ford 637 Engine
42992
-D1
+Main
START
CIRCUIT
DIODE
1
S
TA
R
T_PWR
BA
TTE
RY
POS
1
FRAME_GND
BA
TTE
RY
NEG
1/1
19221-0237
-T2
+43366
1
IGN
5
ECU I/O
FUEL_PMP_PWR
7
ECU I/O
FUE
L SWT
15
ST
AR
T
5/42
7C3
T-14A624
-J3
18
FUEL_PMP_GND
18/42
28
+CAN_B
29
- CAN_B
29/42
28/42
1/42
7/42
-J3
+45256
1/2
DT06-2S
2/2
-P22
+45256
15/42
WYK_36304
-T1
+43366
1/1
19221-0237
-T2
+45261
WYK_36305
-T1
+45261
22815
-R5
+Left
CAN-C
TERM RES
22815
-R4
+Left
CAN-C TERM
RESISTOR
42260
-S4
+Main
Left Spray Swt
1
SPR
AY
PUM
P PWR
2
LH_SPR
AY_PUMP
45276
-G1
+Main
Generator
SHIELD
19193-0219
-T1
+42902
1/1
19193-0219
-T2
+45260
A/2
-P25
+45256
C/8
32006-A22
1/2
-P26
+45256
E/8
-P5
+45256
B/2
12052641
9/12
A/8
2/12
DT06-12SA
C/8
SHIELD
- CAN_A
+45256-J5:3
+CAN_A
+45256-J5:4
B/3
DT06-3S
-P12
+45256
A/3
D/8
32006-B22
GND
+45256-Z4:1
FUEL SWT
+45256-Z18:1
SEAT_SWT
+45256-P11:1
HYD_FLTR_BYP
+45256-P35:B
DYNO_STATE
+45256-J7:3
SEAT_BYP
+45256-Z8:1
5V_PWR_A
+45256-Z5:1
PEDAL_IN1
+45256-P24:3
PEDAL_IN2
+45256-P24:6
FUEL_LVL
+45256-P23:3
HYD_TEMP
+45256-P34:1
DYNO CMD
+45256-J7:4
HYD_PRESS
+45256-P33:B
ETHERNET_RD-
+45256-J8:1
ETHERNET_TD-
+45256-J8:3
LIGHT1
+45256-P21:1
LIGHT6
+45256-J2:J
LIGHT4
+45256-J1:J
LIGHT8
+45256-J2:H
ETHE
+45256-J8:4
ETHE
+45256-J8:2
LIGHT7
+45256-J2:G
LIGHT3
+45256-J1:G
LIGHT5
+45256-J1:H
LIGHT2
+45256-P7:1
A/8
-P4
+45256
B/8
E/8
F/8
LH GLY COOL FAN PWR
+45256-J11:1
HORN
+45256-T6:1
RH GLY COOL FAN PWR
+45256-J12:1
2/2
DT06-2S
LH_SPRAY_PUMP
+45256-J9:1
SPRAY PUMP PWR
+45256-P15:6
-Z39
WATER_PUMP
+45256-P16:3
A/3
DT06-3S
-P13
+45256
B/3
22815
-R6
+Left
CAN-A
TERM RES
A/3
B/3
DT06-3S
-P14
+45256
-Z32
+45256
-Z33
+45256
-Z17
SPLICE
-Z20
+45256
IGN
+45256-P15:4
8/12
GND
+45256-Z3:1
GND
+45256-P16:2
IGN
+45256-P16:4
-Z21
-Z22
SPLICE
-Z23
+45256
SPLICE
-Z24
+45256
-Z27
-Z28
-Z29
SPLICE
-Z30
- CAN_B
+45256-J5:6
+CAN_B
+45256-J5:7
- CAN_C
+45256-J5:9
+CAN_C
+45256-J5:10
SPLICE
-Z6
+45256
START
+45256-P15:5
B/8
IGN SW PWR
+45256-P15:3
G/8
SWT PWR
+45256-J5:2
SW
T GND
+45256-J5:1
SPLICE
-Z10
+45256
ACC PWR
+45256-Z34:1
7/12
GND
+45256-Z35:1
3/12
7/12
4/12
6/12
9/12
-P9
+45256
HYD COO
L GND
+45256-J
11:2
LH GND
+45256-J1:F
HYD COO
L GND
+45256-J12:2
RH GND
+45256-J2:F
SPLICE
-Z19
-Z11
-Z12
-Z26
-Z25
1/1
19193-0171
-T1
+42433
1/1
19193-0171
-T1
+42433
19193-0152
-T2
19193-0152
-T2
1/12
5/12
17/73
-P2
+45256
1/73
24/73
8/73
9/73
10/73
11/73
12/73
25/73
49/73
50/73
51/73
52/73
41/73
1/66
17/66
3/66
19/66
8/66
9/66
10/66
24/66
25/66
26/66
33/66
49/66
34/66
50/66
45/66
46/66
47/66
48/66
65/66
34822-0013
66/66
-P1
+45256
1
START
2
START
10/35
776164-1
-P8
+45256
11/35
22/35
31/35
19/35
32/35
20/35
7/35
8/35
21/35
28/35
14/35
27/35
13/35
1/35
K/19
J/19
H/19
-J4
+45256
G/19
F/19
A/19
UT0W61419SH
B/19
E/19
FUE
L SWT
+45256-Z18:1
2/66
18/66
1
- CAN_A
2
- CAN_B
3
- CAN_C
4
ADDR_LOW
8
PEDAL_IN1
9
PEDAL_IN2
10
FUEL_LVL
17
+CAN_A
18
+CAN_B
19
+CAN_C
20
ADDR_HIGH
24
HYD_TEMP
25
DYNO CMD
26
HYD_PRESS
33
ETHERNET_RD-
34
ETHERNET_TD-
45
LIGHT1
46
LIGHT6
47
LIGHT4
48
C1
LIGHT8
49
ETHE
50
ETHE
65
C1
MC43_12V
66
C1
MC43_GND
1
- CAN_D
7
5V_PWR_A
8
5V_PWR_A
9
FUEL SWT
10
SEAT_SWT
11
HYD_FLTR_BYP
12
DYNO_STATE
17
C2
+CAN_D
23
5V_GND
24
GND
25
SEAT_BYP
41
START
49
LIGHT7
50
LIGHT3
51
LIGHT5
52
LIGHT2
5V_GND
+45256-Z36:1
5V_PWR_A
+45256-Z37:1
7/73
23/73
SWT PWR
+45256-Z7:1
SEAT SW PWR
+45256-P11:2
43140-01e
-ENG1-PMP1
+Main
Fuel Pump
POS
FUEL_PMP_PWR
NEG
FUEL_PMP_GND
1/1
19044-0031
-T3
1/1
19044-0032
-T2
+45256
12/12
-P10
+45256
11/12
10/12
- CAN_B
+45256-Z2:1
+CAN_B
+45256-Z1:1
SPLICE
-Z16
+45256
AIN_GND
AIN_GND
A
+CAN_C
B
- CAN_C
A
+CAN_C
B
- CAN_C
A
+CAN_A
B
- CAN_A
- CAN_D
+45256-J6:J
+CAN_D
+45256-J6:H
GND
+45256-J2:A
SPLICE
-Z9
+45256
GND
+45256-J1:A
UN-SW PWR
+45256-J2:B
SEVCON_
W
AKEUP
+45256-J2:E
SEVCON_
W
AKEUP
+45256-J1:E
UN-SW PWR
+45256-J1:B
30
Steer Press SIG
42
Steer Press GND
30/66
42/66
- CAN_D
+45256-J1:D
+CAN_D
+45256-J1:C
+CAN_D
+45256-J2:C
- CAN_D
+45256-J2:D
Steer Press SIG
+45256-P32:1
Steer Press GND
+45256-P32:2
SPLICE
-Z38
+45256
73
C2
MC43_12V
73/73
34566-0103
+CAN_B
+45256-P6:1
- CAN_B
+45256-P6:6
1/1
19221-0418
-T1
+453
11
1/1
19221-0418
-T1
+45312
1/1
19221-0418
-T1
+45313
19221-0233
-T2
+45312
19221-0233
-T2
+45313
19221-0233
-T2
+45311
B
GEN_PHASE2
C
GEN_PHASE3
A
J1
+SIN
B
- SIN
E
+COS
F
- COS
G
PTC_THERM
H
AIN_GND
J
+GEN_EXCI
TA
TION
K
J1
- GEN_EXCI
TA
TION
A
GEN_PHASE1
19193-0219
-T1
+45260
19193-0219
-T2
+42902
POS
BA
TTE
RY
POS
POS
BA
TTE
RY
POS
NEG
BA
TTE
RY
NEG
NEG
BA
TTE
RY
NEG
1
-T1
BA
TTE
RY
NEG
1
-T2
BA
TTE
RY
NEG
B+
+380VDC_SUPPLY
B-
380VDC_GND
M1
GEN_PHASE1
M2
GEN_PHASE2
M3
GEN_PHASE3
1
SEVCON_WAKEUP
7
- GEN_EXCITATION
8
+GEN_EXCITATION
10
J1
SHIELD
11
+CAN_D
13
GND
14
GEN_PULSE_ENABLE
19
+SIN
20
+COS
21
AIN_GND
22
- CAN_D
27
GEN_PULSE_ENABLE
28
PTC_THERM
31
- SIN
32
- COS
1
CH_GND
BATTERY NEG
19193-0264
-T2 +1597
BA
TTE
RY
NEG
+28094-T2:1
BA
TTE
RY
NEG
+45306-T2:1
19193-0219
-T1
+45306
UN-SW PWR
+45256-J5:12
NEG
BA
TTE
RY
NEG
19193-0216
-T1
+28094
380VDC_GND
+45350-T2:1
+380VDC_SUPPLY
+45314-T2:1
19221-0233
-T1 +45350
19221-0233
-T1 +45314
HYD COOL FAN PWR
+45256-J14:1
D/8
1/1
19193-0267
-T1
+1597
GND
+45256-Z41:1
6/12
DT06-12SA
1/2
-R1 +45256
Address Resistor 0
294 Ohm
2/2
20085130
4/66
20/66
1/6
+45256
2/6
-P27
3/6
DT06-6S
+45256
4/6
-P27
5/6
SHIELD
SHIELD
SHIELD
SPLICE
-Z13
+45256
SHIELD
SHIELD
SHIELD
SHIELD
SPLICE
-Z31
+45256
H
WATER_PUMP
H/8
8/12
1/12
8/12
184115-1
3/12
-P3
+45256
6/12
12/12
26
HYD_LVL
27
GLYCOL_LVL
HYD_LVL
+45256-P28:2
GLYCOL_LVL
+45256-P29:2
26/73
27/73
SWT PWR
+45256-Z42:1
NEG battery cable connects to
the engine frame.
POS battery cable connects to
the starter post.
High Voltage
CAN -
CAN +
POS Battery Cables
NEG Battery Cables
Ignition Circuit
Start Circuit
Unswitched PWR
Key Switched PWR
5 V Supply
Sensor Ground
12 V Ground
All Others
Circuit Legend
CAN Architecture:
CAN A: Machine Controller (MC43), Diagnostic Display, 2 Terminating Resistors
CAN B: Machine Controller (MC43), Diagnostic Display, Engine, Multifunction Switch, Water Pump, Fuse Box, OBD Connector, 1 Terminating Resistor
CAN C: Machine Controller (MC43), Diagnostic Display, Telematics, 2 Terminating Resistors
CAN D: Machine Controller (MC43), Sevcon 8, Sevcon 9 right, Sevcon 9 left, OBD Connector
16 AWG Red
W125
16 AWG Black
W112
20 AWG Black
W040
20 AWG Blue
W041
20 AWG Black
W032
20 AWG Green
W031
20 AWG Red
W037
20 AWG Black
W035
20 AWG White
W034
20 AWG Shield
W017
20 AWG Red*
W327
20 AWG Black*
W326
20 AWG Black
W036
16 AWG Red/Black
W061
18 AWG Red/Orange
W057
14 AWG Red/Blue
W310
14 AWG Red/Green
W311
18 AWG Red/Grey
W242
16 AWG Red
W172
18
AWG
Pink
W073
18 AWG Pink
W075
18 AWG Pink
W076
18 AWG Pink
W077
8 AWG Red
W079
8 AWG Red
W078
8 AWG Red
W079
20 AWG Brown/Grey
W272
20 AWG Brown/Green
W263
20 AWG Brown/Orange
W271
20 AWG Brown/Blue
W120
20 AWG Brown/Blue
W119
20 AWG Brown/Blue
W118
20 AWG Brown/Blue
W201
20 AWG Grey/Black
W202
20 AWG Brown/Red
W270
20 AWG Brown/Blue
W262
20 AWG Brown/Blue
W126
20 AWG Brown/Yellow
W290
20 AWG Brown/White
W286
20 AWG Brown/White
W285
20 AWG Brown/White
W284
20 AWG Light Blue/Pink
W127
18
AWG
Light Blue/Pink
W128
20
AWG
Yellow
W317
20
AWG
Green
W313
20 AWG Black
W253
20 AWG Red
W252
20 AWG Grey
W255
20 AWG White
W254
20 AWG Brown/White
W124
20 AWG Brown/Violet
W321
20 AWG Brown/White
W287
20 AWG Brown/White
W288
18 AWG Red
W238
14 AWG Red
W249
16 AWG Red
W183
14 AWG Red/Yellow
W087
18 AWG Blue/Yellow
W086
18 AWG Red
W182
20 AWG Yellow
W142
20 AWG Green
W157
18 AWG Black
W241
18 AWG Black
W237
6 AWG Red
W005
20
AWG
Green
W159
20
AWG
Yellow
W147
18 AWG Light Blue/Pink
W303
1 A
WG
Red
W001
1 A
WG
Black
W002
1 AWG Black
W002
1 AWG Red
W001
2 A
WG
Orange
W063
2 A
WG
Orange
W064
2 A
WG
Orange
W065
18 AWG White
W135
18 AWG White
W135
20 AWG Green
W150
20 AWG Yellow
W138
20 AWG Green
W152
20 AWG Yellow
W140
20
AWG
Yellow
W136
20
AWG
Green
W148
20
AWG
Yellow
W137
20
AWG
Green
W149
20
AWG
Yellow
W145
20
AWG
Green
W156
20
AWG
Yellow
W081
20
AWG
Green
W084
20 AWG Yellow
W145
20 AWG Green
W156
18 AWG Red/Black
W170
18 AWG Black
W171
18
AWG
Red
W181
14 AWG Pink
W094
18 AWG Light Blue/Pink
W200
18 AWG Red/Violet
W216
18 AWG Red
W211
18
AWG
Black
W235
14 AWG Red
W131
18
AWG
Black
W044
6 A
WG
Black
W006
20 AWG Black/White
W107
20 AWG Red/White
W100
20 AWG Green
W194
18 AWG Red
W211
18 AWG Red
W246
14 AWG Black
W248
14
AWG
Black
W248
14
AWG
Black
W308
14
AWG
Black
W314
18 AWG Red/Violet
W307
16
AWG
Black/
Yellow
W312
16
AWG
Black
W309
20 AWG Yellow
W331
20 AWG Green
W330
14
AWG
Red
W249
18 AWG Light Blue/Pink
W303
16 AWG Red/Black
W061
18
AWG
Red
W024
18
AWG
Black
W237
18
AWG
Black
W241
18 AWG Pink
W073
18
AWG
Pink
W074
20 AWG Yellow
W196
8 A
WG
Red
W078
18
AWG
Brown/Blue
W302
20 AWG Red/White
W264
20 AWG Black/White
W265
18 AWG Red/Grey
W060
20 AWG Black*
W329
20 AWG Red*
W328
20
AWG
Black*
W329
20
AWG
Red*
W328
20 AWG Green
W251
20 AWG Yellow
W142
20 AWG Yellow
W333
20 AWG Green
W334
20 AWG Green
W195
20 AWG Yellow
W197
20 AWG Shield
W243
20 AWG Black
W232
20
AWG
Black
W035
20
AWG
Black
W036
20
AWG
Red
W037
20
AWG
Blue
W041
20
AWG
Green
W031
20
AWG
White
W034
20
AWG
Black
W040
20
AWG
Black
W032
18
AWG
Black
W171
18
AWG
Black
W171
14
AWG
Black
W089
16
AWG
Black
W109
18
AWG
Black
W247
18
AWG
Black
W176
18
AWG
Black
W332
20
AWG
Red/Black
W179
20
AWG
Red/Black
W155
16 AWG Red
W139
16 AWG Red
W177
18
AWG
Red
W043
20 AWG Red*
W007
20 AWG Black*
W008
20 AWG Red*
W207
20 AWG Black*
W208
20 AWG Black*
W154
20 AWG Red*
W153
20 AWG Black*
W144
20 AWG Red*
W143
20 AWG Black/Yellow
W134
20 AWG Brown/Yellow
W133
14 AWG Red
W249
14 AWG Red
W130
14 AWG Red
W130
6 AWG Red
W005
6 A
WG
Black
W018
4 A
WG
Black
W016
6 A
WG
Black
W009
4 AWG Black
W016
2 AWG Orange
W062
2 AWG Orange
W059
18 AWG Red
W095
18 AWG Red/Blue
W053
18
AWG
Black
W052
20 AWG Black
W051
20 AWG Black
W050
20 AWG Yellow
W042
20 AWG Green
W025
18 AWG Black
W044
18
AWG
Red
W024
18
AWG
Red
W043
20 AWG Yellow
W121
20 AWG Green
W117
20 AWG Yellow
W250
6 A
WG
Black
W006
20 AWG Green
W157
20 AWG Green
W151
20 AWG Yellow
W141
6 A
WG
Black
W006
4 A
WG
Black
W016
20 AWG Red/Violet
W315
20 AWG Brown/Blue
W352
20 AWG Brown/Violet
W355
F2
Z1
R1
C
S1
T1
J2
E2
P2
X1
E
V1
U1
Q1
M2
W1
O