Lull 944E-42 Service Manual - Manual (Page 632)

Electrical System
9.122 Model 644E-42/944E-42 Rev. 6/04
9.8.42 Roadlight High Beam Circuit & Troubleshooting (Option)
A
B
C
D
E
F
G
HB1B
PS1B
ROADLIGHT
FEMALE AND MALE
CONNECTORS
B
C
D
E
F
G
A
1
3
5
10
9
11
6
8
RL1
HB1
B
A
C
D
HB1A
PS1A
175
LP4A
PS1
PS1A
LP4A
LP3A
HB1
RL1
PS1
170
LP3A
LEFT
FRONT
ROADLIGHT
SIDE LT IND
LOW
BEAM
HIGH
BEAM
RIGHT
FRONT
ROADLIGHT
SIDE LT IND
LOW
BEAM
HIGH
BEAM
6
1
2
4
3 6
1
2
4
3
1
2 2 4 4
3
180
GROUND
BUSS BAR
165
PS1B PS1C
PS1D PS1E
PS1F
PS1D
3 1
PS1C
140
HB1B
HB1C HB1D
EG7
RLG2
RLG2
RLG1
RLG1
RLG4
RLG3
RLG4 RLG3
IND BRK
RIGHT
TAILLIGHT
BRK IND
LEFT
TAILLIGHT
PS1F
PS1E
TURN SIGNAL
CONTROL SELECTOR
SW4
SW3
SW2
SW1
9
8
6
1
3
5
11
10
1
P
O
R
L
1
P
O
High Beam
High Beam
Flash
Low Beam
F25 40
LIGHTS MAIN
(OPTION)
Y
F26 25
CONDENSER FAN
(OPTION)
Z
FJ21
28
FJ21
FJ20
26
FJ19
25
AA 27
AB 28
F27
OPEN
F28
OPEN
F1 40
OPEN CAB
VEHICLE MAIN
F2 15
IGNITION
CONTROL
BA1A
10
PB2A
2
PB2
IG1
PB1
To
Park Brake
Switch
BA3
BC1A
FJ15
20
FJ16
21
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
LP5
FJ18
23
24
FJ17
22
LP6
LP1
OPTION
HARNESS
LP6
LP5
LP4 LP2 LP3
To
Back-Up
Alarm Relay
7 8 9 13 12 10 11 14
INSTRUMENT
PANEL
J7
BA
CK LIGHT
J8
GR
OUND
J9
PO
WER
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
LIGHT
POWER
RELAY
87A 87
30
86
85
B
A
C
D
IGNITION
SWITCH
ACC IGN
B+
OFF
ACC
IGN
ST
To
Ignition
Relay
To
Ignition
Relay
To Closed
Cab Main
(Option) Fuse
BC1A
B
A
1
C
A
B
POWER
MALE
CONNECTOR
12V BUSS BAR
A
B
C BA1
BB1
BC1
POWER
FEMALE
CONNECTOR
STARTER
GND (-)
+
+
-
BATTERY 1
ENGINE
BLOCK
MU3261
Refer to
page 9.48
Refer to
pages 9.52
or 9.54