Lull 944E-42 Service Manual - Manual (Page 594)

Electrical System
9.84 Model 644E-42/944E-42 Rev. 6/04
9.8.28 Charging Circuit & Troubleshooting
Schematic is drawn with the ignition switch in the RUN position.
GROUND BUSS BAR
12V BUSS BAR
A
C
D
E
F
G
H
J AD1
AW1
AB1
AB2
AG1
AG2
AG2
AG1
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
RESTRICTION MODE
J12
TURN SIGNAL (OPTIONAL)
J10
ENGINE PRE-HEA
T
(OPTIONAL)
J11
HIGH BEAM (OPTIONAL)
J14
D13
D2
C
D
E
F
G
H
J
A
D13
D2
1 5 15 7 2 3 20 8 9 6 4 19 18 17 16 13 12 10 11 14
SENSOR
FEMALE
AND MALE
CONNECTOR
IGNITION
RELAY
87A 87
30
86
85
IG1 BA4
BA3
RG2
RG3
F1 40
OPEN CAB
VEHICLE MAIN
F2 15
IGNITION
CONTROL
BA1A
B
10
PB2A
2
PB2
IG1
PB1
PB1
IGNITION
SWITCH
ACC IGN
B+
OFF
ACC
IGN
ST
To
Transmission
Fuse (F3)
To
Transmission
Control Relay
To
Neutral
Start
Relay
To
Park Brake
Switch
C
A
B BA1A A
B
C BA1
POWER
MALE
AND FEMALE
CONNECTOR
BA3
B+ D+
GND (-)
W
ALTERNATOR
1
A
STARTER
GND (-)
+
+
-
BATTERY 1
ENGINE
BLOCK
B+ D+
GND (-)
W
ALTERNATOR
B+ D+
GND (-)
W
ALTERNATOR
MU6610
Refer to
Electrical
Schematics
on pages
9.48, 9.52
and 9.54
Refer to
Electrical
Schematics
on pages
9.50 and
9.53