5 engine schematic (if equipped for uls), Engine schematic (if equipped for uls), Electrical system – JLG G6-42A Service Manual User Manual
Page 168: My7920, Pump displacement module
Electrical System
9-12
G6-42A, G9-43A, G10-43A
9.5.5
Engine Schematic (if equipped for ULS)
S21
ST
AR
TER/ECM PO
WER
ENG GND
PROPORTIONAL PRESSURE
BA
TT GND
IGN PWR (7-33V)
ANAL
YZER RX
W
A
TER IN FUEL
PR
OPOR
TIONAL PRESSURE REDEUCING
V
AL
VE JUMPER
BLK DIA
G GND -
VIO ANTSTL SIG -
+ 12V
BA
TT +
AL
TERNA
T
OR
ENGINE ECM
S11
ORG
WIF -
ORG
WIF -
BLK
WIF R
TN -
BLK
WIF R
TN -
X61
1
2
X60
1
2
ORG STRT SOL -
ORN STRT L.O. SIG -
BLK ENG GND -
RED ECM PWR -
RED ECM PWR -
RED ECM PWR -
RED ECM PWR -
RED STRT PWR -
RED CONNECT
OR
STR
T SOL 20A (SWITCHED)
ECM PWR 30A (UNSWICHED)
RL23-B+
1
RL23-Y
1
RL23-R
1
RL23
1
2
M
RED STRT PWR -
BLK STRT GND -
ST
AR
TER, CUMMINS
X51
1
X52
1
ORG STRT SOL -
RED STRT PWR -
BLK STRT GND -
EC24-B+
1
EC24
1
EC24-B-
1
BLK ECM GND -
BLK ECM GND -
BLK ECM GND -
BLK ECM GND -
X06
BLOCK GR
OUND
1
MY7920
BRN
TRANS SOL
Y1 -
BRN
TRANS SOL
Y2 -
BRN
TRANS SOL
Y3 -
BRN
TRANS SOL
Y4 -
BRN
TRANS SOL
Y5 -
BRN
TRANS SOL
Y6 -
BLK ENG GND -
DBL
TRANS
TMP SW -
VIO PK BRK SOL -
BLK ENG GND -
X17
1
2
3
4
5
6
7
8
9
10
11
12
MS20
1
2
X65
1
BLK ENG GND -
BLK ENG GND -
VIO PK BRK SOL -
S18
X19
1
2
MOLDED
DIODE
A
B
C
D
E
F
H
I
J
RED DIA
G PWR -
YEL CAN H -
GRN CAN L -
X55
DIAGNOSTIC
RL10
ORG STR
T L.O
.
SIG -
BLK STR
T L.O
.
R
TN -
ORN ST RL
Y -
ORN STR
T L.O
.
SIG -
2
3
4
5
87
30
87a
85
86
BA
TT+
T
O GRID HEA
TERS
WHT GRID HTR -
BLK GRID HTR R
TN -
GRID HEA
TER
RELA
Y
RL09-87
1
RL09-30
1
RL09-86
1
RL09-85
1
ST
AR
TER LOCK
OUT
RELA
Y
1
87
30
86
85
RED STRT PWR -
X59
BA
TT +
1
S30
S58
S46
S57
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
X02
VIO ENG WARN LT -
ORG ENG STOP LT -
WHT WAIT TO START LT -
BRN THR SUP/911 -
GRN THR SGN/915 -
YEL THR RTN/914 -
WHT GRID HTR -
ORG STRT L.O. SIG -
BLK OUTPUT RTN -
WHT KEW SW SIG - 18
GRN CAN L/905 -
BLU THR SIG 2 -
ORG THR RTN 2 -
VIO SEN SUP 2 -
RED ECM PWR -
RED ECM PWR -
RED ECM PWR -
RED ECM PWR -
BLK ECM GND -
BLK ECM GND -
BLK ECM GND -
BLK ECM GND -
WHT COOLANT LEVEL -
BLK OEM SEN RTN -
VIO SEN SUP 2 -
WHT KEW SW SIG - 18
YEL CAN H -
YEL CAN H -
GRN CAN L -
X13
1
2
3
CANB
US
TERMINA
TING
RESIST
OR 120
HV64
VIO
V
AL
VE SIG -
BLK ENG GND -
X63
1
2
REDUCING VALVE
1
2
WHT COOLANT LEVEL -
BLK OEM SEN R
TN -
VIO SEN SUP 2 -
X29
1
2
3
WHT
TX -
GRN RX -
BLK ENG GND -
ORN IGN -
10
11
12
X62
1
2
3
4
PUMP DISPLACEMENT MODULE
10
11
12
GR
OUND
DIGIT
AL INPUT 0
DIGIT
AL INPUT 1
DIGIT
AL INPUT 2
DIGIT
AL INPUT 3
PWM OUTPUT 0
PWM OUTPUT 1
PWM OUTPUT 2
PWM OUTPUT 3
PWM OUTPUT 4
PWM OUTPUT 5
ANALOG +5V OUT
ANALOG INPUT 0
ANALOG GR
OUND
ANALOG +5V OUT
ANALOG INPUT 1
ANALOG GR
OUND
ANALOG INPUT 2
N/A
CANB
US HIGH
CANB
US LO
W
ANAL
YZER
TX
CO41-J1 (BLA
CK)
WHT
TX -
GRN RX -
YEL CAN H -
GRN CAN L -
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
X44
1
X25
1
2
3
X43
1
RED AL
T EXC -
CO41-J2 (GRA
Y)
RED AL
T PWR -
RED AL
T PWR -
WHT KEY SW SIG
BLK DIA
G GND -
150A
TO CHASSIS
X03
X36
1
2
3
4
VIO ENG
W
ARN L
T -
ORG ENG ST
OP L
T -
WHT
W
AIT
T
O ST
AR
T L
T -
WHT KEW SW SIG -
BRN
TRANS SOL
Y1 -
BRN
TRANS SOL
Y2 -
BRN
TRANS SOL
Y4 -
BRN
TRANS SOL
Y5 -
BRN
TRANS SOL
Y6 -
BLU
THR SIG 2 -
ORG
THR R
TN 2 -
VIO SEN SUP 2 -VIO SEN SUP 2 -
ORG MAF_SIGNAL -
BLU
VSENSOR -
BLK RETURN -
BRN AA
T_SIGNAL -
WHT KEW SW SIG -
BRN
THR SUP/911 -
GRN
THR SGN/915 -
YEL
THR R
TN/914 -
DBL
TRANS
TMP SW -
VIO PK BRK SOL -
RED DIA
G PWR -
BLK ENG GND -
ORN ST RL
Y -
RED AL
T EXC -
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
BRN
TRANS SOL
Y3 -
ORG MAF_SIGNAL -
BLU
VSENSOR -
BLK RETURN -
BRN AA
T_SIGNAL -
YEL CAN H -
GRN CAN L -
BLK DIA
G GND -
VIO ANTSTL SIG -