Lull 944E-42 Service Manual - Manual (Page 564)

Electrical System
9.54 Model 644E-42/944E-42 Rev. 6/04
9.8.11 944E-42 ECM Vehicle Power & ECM Cab Harnesses Electrical Schematic
Schematic is drawn with the ignition switch in the OFF position.
+
-
BATTERY
1
1 2
3
4
ENGINE GRID
HEATER RELAY 2
ENGINE GRID
HEATER RELAY 1
1 2
3
4
P14
THROTTLE
ROTARY
POSITION
SENSOR
BPD1
BPM1
BPC1
BPS1
BPB1
BPL2
B+ D+
GND (-)
W
9
GH2A
+
-
BATTERY
2
GROUND BUSS BAR
12V BUSS BAR
A
B
C
BB1
BA1
BC1
POWER
FEMALE
CONNECTOR
A
B
C
D
E
F
ST4A
ST3
GB2
GB1
POWER
MALE
CONNECTOR
ENGINE START RELAY
1 2
3
4
ST1 ST2
SRG
ST3
ST2
ST1
ENGINE
BLOCK
STARTER
GND (-)
+
AB1
AB2
AG1
AG2
AG1
ALTERNATOR
GB2
GB1
ENGINE
CONTROL
MODULE
POWER
FEMALE
CONNECTOR
A
B
C
D
E
F
G
H
J
K
L
M
N
O
7
GHG
8
GH1B
GHG3
GH1B
GH2B
GH1
GHG1
GHG1
WSL
DS
RTS
DDS
DIS
SWR
ON1
THS
ML
WLS
SL
THP
THG
OFF1
GHG2
GH3
PH1A
GH2B
P11
DIODE PACK
F
E
B
A
BNP
GHG3 125
Amp
Fuse
125
Amp
Fuse
PH1A
P10
DIODE PACK
A
B
C
F
BNF
BNE
BNH
BN
BNW
AG2
GHG
GH2A
GH1A
P2
ENGINE
CONTROL
MODULE
FEMALE
CONNECTOR
1
3
4
11
19
20
25
26
29
30
31
35
36
37
41
45
49
50
GH2
GH1
J87L
RTS
DS
DDS
DIS
THS
THP
ON1
SWR
THG
WSL
ML
WLS
SL
OFF1
J87H
BPD
BPM
BNW
BPS
BNP
BNH
BNF
BNE
BPC
BPB
ST4A A
B
C
D
E
F
H
M
P
S
W
P1
ENGINE
CONTROL
MODULE
FEMALE
CONNECTOR
GHG2
GH2
BPS
BPL1
BPL2
BPS1
BPM
BPM1
A
B
C
D
E
F
10
10
10
BPD1
BPC
BPD
BPC1
BPB
BPB1
A
B
C
D
E
F
7.5
7.5
7.5
CNH1
CNL1
CNS1
A
B
C
P4
RESISTOR
FEMALE
CONNECTOR
CNS5
CNH2
J87L
J87H
A
B
C
P3
FEMALE
CONNECTOR
P7
DIAGNOSTIC
PLUG
G
A
B
C
D
E
F
BN
CNH2
CNL2
CNS2
BPL1
CNH
CNL
CNS
4
CNH4
CNH3
CNL4
95
CNL3
96
CNS3
CNS2
CNL3
CNS3
CNH3
P8
RESISTOR
FEMALE
CONNECTOR
C
B
A 1
CNH4
CNH1
CNH
2
CNL1
CNL
3
CNS1
CNS4
CNS
CNL4
CNS4
P6
ENGINE
CONTROL
MODULE
FUSES
P5
ENGINE
CONTROL
MODULE
FUSES
A
B
C
D
E
F
G
H
J
K
L
M
N
O
DLP
ENGINE
CONTROL
MODULE
POWER
MALE
CONNECTOR
SL1
WLS1
THS1
THP1
THG1
P15
ENGINE
FUNCTION
INDICATOR
LIGHT
6
DLP1 DLP2
FJ11
14 N
TO F13
IN CAB
FUSE BLOCK
A
B
C
D
E
F
POWER
FEMALE
CONNECTOR
C
A
B
POWER
MALE
CONNECTOR
VEHICLE CAB
ENGINE COMP
AR
TMENT
ENGINE
BLOCK
ENGINE GRID
HEATER
1
2
1
2
3
3
1
2
2A+ 1A+
2B- 1B-
1 2
CNS5
PH1
ENGINE
PREHEAT
MALE &
FEMALE
CONNECTORS
F14 3
ECM
INDICATOR
LIGHT
BB1
BA1 BC1
FRAME
GROUND
GH4 GH4
GH3
MU5031
Refer to Main
Electrical
Schematics
on pages 9.48
or 9.50.
Refer to Main
Electrical
Schematics
on pages 9.48
or 9.50.
Refer
to
page
9.49
or
9.51