Lull 944E-42 Service Manual - Manual (Page 626)

Electrical System
9.116 Model 644E-42/944E-42 Rev. 6/04
9.8.39 Skylight Wiper/Washer, Rear Washer Circuit & Troubleshooting
Schematic is drawn with the ignition switch in the RUN position.
12V BUSS BAR
C
A
B A
B
C BA1
POWER
MALE
CONNECTOR
BB1
BC1
POWER
FEMALE
CONNECTOR
CAB
POWER
RELAY
87A 87
30
86
85
CP2
CP3
FJ12
16
FJ13
17
FJ14
18
19
F16 10
FRONT WIPER
(OPTION)
P
F17 25
HEATER FAN
(OPTION)
Q
F18 7.5
SKYLIGHT WIPER
(OPTION)
R
F19 7.5
REAR WIPER
(OPTION)
S
F25 40
LIGHTS MAIN
(OPTION)
Y
F26 25
CONDENSER FAN
(OPTION)
Z
FJ21
28
FJ21
FJ20
26
FJ19
25
AA 27
AB 28
CP3
F27
OPEN
F28
OPEN
15 F15 40
CLOSED CAB
MAIN (OPTION)
O
IGNITION
RELAY
87A 87
30
86
85
IG1
BA4
BA3
F1 40
OPEN CAB
VEHICLE MAIN
F2 15
IGNITION
CONTROL
BA1A
B
10
PB2A
2
PB2
PB1
IGNITION
SWITCH
ACC IGN
B+
OFF
ACC
IGN
ST
To
Transmission
Fuse (F3)
To
Park Brake
Switch
BA3
BC1A
BB1A
1
A
STARTER
GND (-)
+
+
-
BATTERY 1
ENGINE
BLOCK
CP1
CP1
TWP
SKYLIGHT
& REAR
WASHER
PUMP
MOTOR
POWER
GND
M
205
CAB
GRND
STUD
WPG TWG1
210
GJ1
GJ1
TW1
TWG1
TWJ
TWP
TW2 TW3 TW4
TWG2
TW2
TWG3
TW4
8 2
6
SKYLIGHT
WIPER/
WASHER
SWITCH
2
1 3
2
5
1
7
8
555555555
6 3 1 7
SKYLIGHT
WIPER
MOTOR
A
C
GND
M
PARK
RUN
TW3
TWG3
MU1831
Refer to
page 9.48
Refer to
pages 9.52
or 9.54