Lull 944E-42 Service Manual - Manual (Page 651)

9.141 Model 644E-42/944E-42 Rev. 6/04
Electrical System
9.9.1 Transmission, Forward - First Gear Circuit
Schematic is drawn with the ignition switch in the RUN position.
TR1
TR4
TR3
A
B
C
D
E
F
TR4
TR3
TR1
8
7
6
5
4
3
2
1
TR6
TR6
10
IG1
IGNITION
RELAY
87A 87
30
86
85
IG1 BA4
BA3
BOOM
SWITCH
RELAY
87A 87
30
86
85
RG7
C
A
B A
B
C
POWER
MALE
AND FEMALE
CONNECTOR
A A
X6 X6
TRG3
TR3A
TRG5
TR1A
TRG6
EG3
TR6A
TR4A
TR3A
TR1A A
B
C
D
E
F
GROUND BUSS BAR
12V BUSS BAR
BA1
TRANSMISSION
LEFT
TRANSMISSION
COILS
A A
X5 X5
A A
X9 X9
A A
X8 X8
B B
X8 X8
B B
X9 X9
TR6A
TRG4
TR4A
TRG1
TRG2
A A
B B
X10 X10
B B
X6 X6
B B
X5 X5
TR9
TRANSMISSION
FEMALE
AND MALE
CONNECTOR
IGNITION
SWITCH
ACC IGN
B+
OFF
ACC
IGN
ST
LIGHT
POWER
RELAY
(OPTION)
87A 87
30
86
85
RG1
TR8
TR9
TRANS.
CONTROL
RELAY
87A 87
30
86
85
NEUTRAL
START
RELAY
87A 87
30
86
85
CAB
POWER
RELAY
(OPTION)
87A 87
30
86
85
DG
BACK-UP
ALARM
RELAY
87A 87
30
86
85
RG2
RG6
RG9
RG3
RG4
RG5
RG8
TR8
F1 40
OPEN CAB
VEHICLE MAIN
DG
F2 15
IGNITION
CONTROL
BA1A
BA3
B
BA4
TRANSMISSION
F3 15 C 3
2
1
STABIL.
LOCK
RELAY
87A 87
30
86
85
PB2
RG6
PB1
CAB
GRND
STUD CG3 85
A
A A
B B
X7 X7
RIGHT
TRANSMISSION
COILS
Y1
E
Y2
DE
Y3
E
Y5
DE
Y4
E
Y6
E
100
BA1A
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
STARTER
GND (-)
+
+
-
BATTERY 1
ENGINE
BLOCK
8
INSTRUMENT
PANEL
J8
GR
OUND
OPEN RELAY
POSITION
86
85 87A 87
30
MU1502
Brake Relay on early
production units.
See page 9.48.