Lull 944E-42 Service Manual - Manual (Page 560)

Electrical System
9.50 Model 644E-42/944E-42 Rev. 6/04
9.8.8 Main Electrical Schematic
(644E-42, SN 0160003878 & After, 944E-42, SN 0160003882 & After)
Schematic is drawn with the ignition switch in the OFF position.
A
A
B
C
AUX HYD
SOLENOIDS
VEHICLE
FEMALE
CONNECTOR
65
VP2 DIODE PACK
A B C F
VP1 DIODE PACK
A B C F
ACC IGN
B+
OFF
ACC
IGN ST
IGNITION
SWITCH
TRANSMISSION
FEMALE
CONNECTOR
A
B
C
D
E
F
POWER
FEMALE
CONNECTOR
CG2
NS2
ST4
CG1
IG2B
LP4 LP2
LP3
LIGHT
POWER
RELAY
(OPTION)
87A 87
30
86
85
PB4
RG1
TR8
TR9
TRANS.
CONTROL
RELAY
87A 87
30
86
85
PB6B
IGNITION
RELAY
87A 87
30
86
85
IG1 BA4
BA3
TR7A
NEUTRAL
START
RELAY
87A 87
30
86
85
NS2
NS1
CAB
POWER
RELAY
(OPTION)
87A 87
30
86
85
DG
BOOM
SWITCH
RELAY
87A 87
30
86
85
BP3A
S1D
BU1
BACK-UP
ALARM
RELAY
87A 87
30
86
85
BU3
BU2A
RG2
RG6
RG9
RG3
RG4
RG5
RG7
RG8
TR8
S1
FJ3
5
FJ4
6
FJ5
7
FJ6
8
FJ7
9
FJ8
10
FJ9
FJ10
12
FJ11
15
FJ12
16
FJ13
17
FJ14
18
19
FJ15
20
FJ16
21
F1 40
OPEN CAB
VEHICLE MAIN
INSTRUMENT
PANEL
J1
PARK BRAKE
J5
FUEL GA
UGE
J15
ALARM B
UZZER
J7
BA
CK LIGHT
J2
AL
TERNA
TOR
J3
ENGINE OIL PRESSURE
J20
TRANSMISSION TEMPERA
TURE
J8
GR
OUND
J9
PO
WER
J6
HOURMETER/ TA
CHOMETER
J4
WA
TE
R
TEMPERA
TURE
GA
UGE
J19
HYDRA
ULIC OIL
TEMPERA
TURE
J18
AIR CLEANER ST
ABIL-TRAK
LOCKED MODE
J17
HYDRA
ULIC
OIL FIL
TER
J16 J13
ACCUJMULA
TOR
BRAKE PRESSURE ST
ABIL-TRAK
SLO
W PIV
O T MODE
J12
TURN SIGNAL (OPTIONAL)
J10
ENGINE PRE-HEA
T
(OPTIONAL)
J11
HIGH BEAM (OPTIONAL)
J14
D13
PB3B D6 D4 D3 D2 DG D1
S10C
D7 D8 D10
S12B
D12 D9 D5
F2 15
IGNITION
CONTROL
BA1A
BA2
BA3
A
B
PB1
BA4
D1A
D1A
PH
CG2
CAB
GRND
STUD
C
A
B
POWER
MALE
CONNECTOR
BB1A
BA1A
BC1A
SENSOR
FEMALE
CONNECTOR
D5
D6
D13
D12
D10
D2
D9
D4
BP3A
S10B
S12A
BU3A
BP1
H2A
H1
S8
BPG
A5
A4
A3
A2
B5
B4
B3
B2
B1
TR5
TR6
TR1
TR4
TR3
TR2A
A
B
C
D
E
F
CP1
S3
PB3A
PB4 S5
S4
S2B
S6
10
PB2B
PB2A
PB5
STABILIZER
BRAKE SWITCH
S1A
50
F8 10
DASH PANEL
H
D1
F7 10
STABILITY
CIRCUIT
G
F
BU2 F6 10
BACK-UP
ALARM/HORN
F5 20
IGNITION
POWER
E
IG2
D
ST4 F4 20
FUEL
SOLENOID
TRANSMISSION
F3 15 C
I
F10 5
AUXILIARY
HYDRAULICS
J
AH1
L
F15 40
CLOSED CAB
MAIN (OPTION)
O
CP2
F16 10
FRONT WIPER
(OPTION)
P
F17 25
HEATER FAN
(OPTION)
Q
F18 7.5
SKYLIGHT WIPER
(OPTION)
R
F19 7.5
REAR WIPER
(OPTION)
S
F20 10
BEACON/STROBE
(OPTION)
T
F21 7.5
BRAKE LIGHTS
(OPTION)
U
F22 20
HEADLIGHTS
(OPTION)
V
F23 15
TURN SIGNALS
(OPTION)
W
F24 20 or 30
WORK/ROADLIGHTS
OR WORKLIGHTS
(OPTION)
X
F25 40
LIGHTS MAIN
(OPTION)
Y
LP5
F26 25
CONDENSER FAN
(OPTION)
Z
FJ21
28
FJ21
FJ20
26
FJ19
25
FJ18
23
24
FJ17
22
FJ2
4
FJ1
3
2
1
11 K
13 M
14 N
AA 27
AB 28
BB1A
CP3
LP6
BC1A
2
3 8
1
7
2
TRANSMISSION
DISCONNECT
SWITCH
S1B
S2A
S3
TCG
BUZZER
STABIL.
LOCK
RELAY
87A 87
30
86
85
S6
S9
S10 75
S12 S12A
S12B
CG3
BPG
PB2
LP1
LP1
CP1
PB6A
25
TR7
S5
55
S2
S2B
S1
S1D
S1B
BP1
BU1
45
40
H1
BU3A
BU3C
PB2
5
PB3B
PB3
S8
35
PB3
NS1
1 5 15 7 2 3 20 8 9 6 4 19 18 17 16 13 12 10 11 14
TR7A
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
OPTION
HARNESS
RG1
CP2
IG1
PBG
1
2
5
8 7
6
3
8 3
7 2
S10B
S10C
2 1
RG6
LP6
CP3
8
7
6
5
4
3
2
1
SHIFTER
TRANSMISSION
GEAR
GEAR
FORWARD
GEAR
B+
REVERSE
NEUTRAL
GEAR
F
N
R
4
1
2
3
TR9
TR2
TR7
TR6
TR4
TR5
TR3
TR1 8
7
6
5
4
3
2
1
30
OPTION HARNESS
PB1
PB6
F12
OPEN
IG2A
F9
OPEN
F11
OPEN
F13
OPEN
F14 3
ECM INDICATOR
LIGHT
F27
OPEN
F28
OPEN
15
PB6B
FUEL
LEVEL
SENDER
A
B
SG1
SG2
ACCUMULATOR
BRAKE
PRESSURE
SWITCH
A B
85
A
B
A
B AHG2
AHG1
105
AH2A
20
PARK
BRAKE
SOLENOID
AH2B
PB6A
PB5
D7
TCG
PBG
CG3A
CG3A
SG2
SG1
BU2A
LP5
B A C D
AH A A
B
AH B A
B
PH
CMP
C
D
E
F
G
H
J
A
K
B
CMP
BU3C
E
D
E
1
2
3
4
5
6
7 8
D
1
2
PARK
BRAKE
SWITCH
AH3A
290
CG1
HORN
BUTTON
2 1
HG
AH3
AH3
PBG1
A B
A B
PB A
PBG1
AH1
AH2
AUX HYD
JOYSTICK
A
B
C
OPEN RELAY
POSITION
86
85 87A 87
30
1 2 3 4 5 6 7 8
AH3B
AH4 295
A
B AHG4
AHG3
AH4
AHG6
AHG5
S2A
MU65101
Brake Relay on early
production units.
See page 9.48.
Connectors used on
early production
units only.
See page 9.48.
= See Pages 9.63, 9.110 or 9.112.