Lull 944E-42 Service Manual - Manual (Page 638)

Electrical System
9.128 Model 644E-42/944E-42 Rev. 6/04
9.8.45 Roadlight Hazard Lights Circuit & Troubleshooting (Option)
Schematic is drawn with the ignition switch in the RUN position.
RT1B
LT1B
LT1D
150
LT1C
LT1D
LT1C
RT1D
155
RT1B
RT1C
RT1D
RT1C
HZ1 HAZARD
SWITCH
OFF
ON OFF
ON
1
18 17 3 1
8 5 2
10
FLASHER
31 49A 49
VP3 DIODE PACK
A B C F
1 10
2
3
5 8
17 18
130
215
160
HZ6
HZ2
HZ2
HZJ
HZJ
HZ3A
HZ3
RLG5
HZG
HZG
CAB
GRND
STUD
RLG6
HZ5 HZ4
RT1E
LT1E
HZ4
LT1E
LT1A
RT1A
B
A
C
D
LVP3
LVP3
RT1A
115
RT1E
HZ5
A
B
C
D
E
F
G
ROADLIGHT
FEMALE AND MALE
CONNECTORS
B
C
D
E
F
G
A
LEFT
FRONT
ROADLIGHT
SIDE LT IND
LOW
BEAM
HIGH
BEAM
RIGHT
FRONT
ROADLIGHT
SIDE LT IND
LOW
BEAM
HIGH
BEAM
1
2 2 4 4
3
180
GROUND
BUSS BAR
3 1
EG7
RLG2
RLG2
RLG1
RLG1
RLG4
RLG3
RLG4 RLG3
IND BRK
RIGHT
TAILLIGHT
BRK IND
LEFT
TAILLIGHT
LT1B
6 3 6 3
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
MU3281
Refer to
page 9.48
Refer to
pages 9.52
or 9.54