Lull 944E-42 Service Manual - Manual (Page 783)

10.25 Model 644E-42/944E-42 Rev. 6/04
Stabil-TRAK™ System
644E-42, 0160003878 & After
944E-42, 0160003882 & After
Stabil-TRAK™ Electrical Circuit
Locked Mode III
LOCKED MODE III 1. Ignition “ON” 4. Transmission in Neutral
Conditions
2. Boom Above 40°
3. PB “OFF” & SB Released
OPEN RELA
Y
POSITION
(E5)
86 85
87A
87
30
ST
AR
TER
GND (-)
+
+ -
BA
TTER
Y
1
ENGINE BLOCK
BLU
BRN
BLK
+ -
O
ST
ABIL.
LOCK RELA
Y
(E6)
86 85
87A
87
30
DE
DE
TRANS. CONTROL RELA
Y
(E1)
86 85
87A
87
30
2
3
8
1
7
2
TRANSMISSION DISCONNECT
SWITCH
S1B
S2A
S3
TCG
S2A
8
3
7
2
S1B
3 7 6
CAB
POWER RELA
Y
(OPTION)
(E9)
86 85
87A
87
30
70
RG1
CAB GRND STUD
CG3
85
PB6A
15
PB6A
AA BB X7
X7
A
A
X6
X6
TRG3 TR3A TRG5 TR1A TRG6 TR2B
EG3
TR6A TR5A TR4A TR3A TR2B TR1A
A B C D E F
EG5
80
STG5
EG1
90
GROUND BUSS BAR
A B C
BA1 S12C BP1A S11 S8A BP3
A5 A4 A3 A2 B5 B4 B3 B2 B1
S8A
S11
CAB GRND STUD
BP1A
BP3
BP2
BOOM
PROXIMITY SENSOR
A
A
X5
X5
A
A
X9
X9
A
A
X8
X8
B
B
X8
X8
B
B
X9
X9
TR6A TRG4 TR5A TRG1 TRG2 TR4A
AA BB X10
X10
Y5 E
Y4 E
Y6 E
Y2 E
Y1 E
Y3 E
100
B
B
X6
X6
B
B
X5
X5
C
B
A
TRANSMISSION
VEHICLE
FEMALE & MALE
CONNECT
OR
65
TRANSMISSION FEMALE & MALE
CONNECT
OR
TR8
TR9
PB6B
IG1
BA4
BA3
DG BP3A
S1D
RG6
RG9
RG4 RG5
RG7 RG8
TR8 S1
FJ3
5
FJ4
6 7
F1
40
OPEN CAB
VEHICLE MAIN
DG
S10C
F2
15
IGNITION CONTR
OL
BA1A
BA2
BA3
A B
BA4
C A B
S10B BP1
A5 A4 A3 A2 B5 B4 B3 B2 B1
TR5 TR6 TR1 TR4 TR3 TR2A
A B C D E F
10
PB2B PB2A
PB5
ST
ABILIZER BRAKE SWITCH
S1A
50
F7
10
ST
ABILITY CIRCUIT
G F
F6
10
BA
CK-UP
ALARM/HORN
F5
20
IGNITION
PO
WER
E D
F4
20
FUEL
SOLENOID
TRANSMISSION
F3
15
C
FJ2
4
FJ1
3 2 1
S6
S9
S10
75
S12
S12A
S12B
PB2
TR7
55
S2
S2B
S1
S1D
BP1
PB2
PB3
15
15
7
23
20
89
6
4
19
18
17
16
13
12
10
11
14
IG1
1
2 5 8
S10B
S10C
2
1
RG6
GEAR GEAR
FOR
W
ARD
GEAR
B+
REVERSE NEUTRAL
GEAR
TR9 TR2 TR7 TR6 TR4 TR5 TR3 TR1
30
PB1
PB6B
20
PBG1
S12B
S12A
S8
CAB GRND STUD
CG3
85
CG3A
IGNITION SWITCH
ACC
IGN
B+
OFF
ACC IGN
ST
SOL.
3
SOL. 4A
SOL. 4B
SOL. 12A
SOL. 12B
DE
S12C
STG4
S11A STG3
S11B
60
STG1
STG2
S8B
S8C
STG5
PARK
BRAKE
SOLENOID
IGNITION RELA
Y
(E2)
86 85
87A
87
30
BACK-UP ALARM RELA
Y
(E4)
86 85
87A
87
30
LIGHT POWER RELA
Y
(OPTION)
(E8)
86 85
87A
87
30
NEUTRAL
ST
AR
T
RELA
Y
(E3)
86 85
87A
87
30
12V BUSS BAR
RIGHT
TRANSMISSION
COILS LEFT
TRANSMISSION
COILS
8 7 6 5 4 3 2 1
INSTR
UMENT P
ANEL
J1
PARK BRAKE
J5 FUEL GAUGE
J15 ALARM
BUZZER
J7 BACK LIGHT
J2
ALTERNA TOR
J3 ENGINE OIL
PRESSURE
J20 TRANSMISSION
TEMPERATURE
J8 GROUND
J9 POWER
J6 HOURMETER/
TACHOMETER
J4 WATER
TEMPERATURE
GAUGE
J19 HYDRAULIC OIL
TEMPERATURE
J18
AIR CLEANER
STABIL-TRAK
LOCKED MODE
J17
HYDRAULIC
OIL FILTER
J16
J13 ACCUJMULA TOR
BRAKE PRESSURE
STABIL-TRAK
SLOW PIV OT MODE
J12
TURN SIGNAL
(OPTIONAL)
J10
ENGINE PRE-HEAT
(OPTIONAL)
J11
HIGH BEAM
(OPTIONAL)
J14
PB4
RG2 RG3
RELA
Y
LOCA
TIONS
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
E1 E2 E3 E4 E5
E6 E7 E8 E9 E10
E DE
DE
BPG
BP2
E
DE
DE
DE
LEGEND =
De-energiz
ed
=
Energiz
ed
=
Open
=
Closed
=
Activ
e Circuit
O C E DE
DE
BOOM SWITCH RELA
Y
(E7)
86 85
87A
87
30
E
PARK BRAKE SWITCH
E D E
1
2
3 4
5
6 7
8
D
1
2
E
E
DE
O
DE
E
E
E
O
E
DE
8 7 6 5 4 3 2 1
SHIFTER TRANSMISSION
F N R
NEUTRAL
S3
VP2 DIODE P
ACK
A
B
C
F
VP1 DIODE P
ACK
A
B
C
F
PB3A
PB4
S5
S4
S2B
S6
25
S5
5
PB3
S8
POWER MALE &
FEMALE CONNECT
OR
MU6700