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Downloaded from www.Manualslib.com manuals search engine 8W-48 REAR WINDOW DEFOGGER
INDEX
page
SCHEMATICS AND DIAGRAMS........................................................... 1
DESCRIPTION AND OPERATION.......................................................... 3
Component Page
Fuse 5 (FB).........................8W-48-2
Fuse 8 (PDC)........................8W-48-2
Fuse 9 (FB).........................8W-48-2
Fuse Block.........................8W-48-2
G201..............................8W-48-2
G301..............................8W-48-2
Headlamp Switch....................8W-48-2Component Page
Power Distribution Center.............8W-48-2
Rear Window Defogger................8W-48-2
Rear Window Defogger Switch..........8W-48-2
S205..............................8W-48-2
S210..............................8W-48-2
S211 ..............................8W-48-2
Switch Illumination..................8W-48-2
8W - 48 - 2 8W - 48 REAR WINDOW DEFOGGERPL
Page 134 of 256
Downloaded from www.Manualslib.com manuals search engine 8 7
30A
FUSE
8
BATT A0
POWER
DISTRIBUTION
CENTER
FUSE
BLOCK
299
4A
FUSE
95FUSE10A
5
25
2 HEAD 1 PARK
0 OFF
SWITCH
HEADLAMP
1
E1
20
TN
RUN A22
5
314
2 TIMER
SWITCH DEFOGGER
WINDOW
REAR
E2
20
OR
E2
22
OR
F20
20
WT
F20
22
WT
S210 S211
A4
14
BK/RD
A4
14
BK/RD
4C102
C15
14
BK/WT
C15
14
BK
16C230
G301
Z1
14
BK
G201
S205
Z2
22
BK/LG
Z2
20
BK/LG
DEFOGGER WINDOW
REAR
0 OFF
BATT F33
2
1 0
1 01 ON
SWITCH
ILLUMINATION
(8W-10-7)(8W-10-4)
(8W-11-2)
(8W-11-11) (8W-11-8)(8W-50-2)
(8W-11-11) (8W-11-8)
(8W 15 9)(8W 15 5)
(8W-15-5)(8W-10-4)
(8W-11-4)
(8W-10-6)
8W - 48 - 2 8W-48 REAR WINDOW DEFOGGERPL-RHD
PL8W - 48 REAR WINDOW DEFOGGER 8W - 48 - 3
DESCRIPTION AND OPERATION (Continued)
Page 135 of 256

Downloaded from www.Manualslib.com manuals search engine 8W-48 REAR WINDOW DEFOGGER
DESCRIPTION AND OPERATION
REAR WINDOW DEFOGGER
The Rear Window Defogger system is powered by a
40 amp fuse located in the Power Distribution Center
(PDC) on circuit A4. This circuit is HOT at all times.
The system is also powered by a 10 amp fuse located
in cavity 8 of the fuse block, this fuse is HOT in the
RUN position only.
When the operator presses the rear window defog-
ger switch the contacts internal to the switch CLOSE
and the timer starts. When the switch is released the
timer circuity keeps the relay energized for the spec-
ified time.
Voltage is passed through the switch on the A4 cir-
cuit to the C15 circuit and then to the rear window
defogger grid. The grid consists of two bus bars and
grid lines that form a parallel circuit. When voltage
is passed through the grid, the grid lines heat up and
heat the rear window.
Grounding for the rear window defogger switch is
provided on the Z2 circuit and terminates at the
instrument panel right center support. The grid uses
the grounding point at the rear body in the right
wheel house.
When the system is in operation, a L.E.D. located
in the switch, indicates to the operator the system is
functioning. The switch is also illuminated when the
headlamp switch is in the PARK or ON position.
Power for the illumination circuit comes from the 4
amp fuse, located in cavity 12 of the fuse block, on
the E2 circuit.
HELPFUL INFORMATION
²Check the 40 amp fuse in the Power Distribu-
tion Center (PDC).
²Check the 10 amp fuse in cavity 8 of the fuse
block.
²Check for broken gird lines on the window.
²Check for a broken buss bar or disconnected
leads at the rear window.
²Check for a good ground at the rear body ground
located in the right rear wheel house.
PL8W - 48 REAR WINDOW DEFOGGER 8W - 48 - 3
Page 137 of 256

Downloaded from www.Manualslib.com manuals search engine 8W-50 FRONT LIGHTING
INDEX
page
SCHEMATICS AND DIAGRAMS........................................................... 1
DESCRIPTION AND OPERATION.......................................................... 7
Component Page
A/C Heater Control Switch.............8W-50-2
Fog Lamp Relay...................8W-50-3, 6
Front Fog Lamp Switch.............8W-50-5, 6
Fuse 2 (FB).......................8W-50-2, 5
Fuse 3 (PDC)........................8W-50-2
Fuse 9 (FB).......................8W-50-2, 4
Fuse 16 (PDC).......................8W-50-6
Fuse 17 (FB)......................8W-50-3, 4
Fuse 18 (FB)........................8W-50-3
Fuse Block.........................8W-50-2
Fuse Block.........................8W-50-3
Fuse Block.........................8W-50-4
Fuse Block.........................8W-50-5
G101..........................8W-50-3, 4, 6
G103..........................8W-50-3, 4, 6
G204............................8W-50-4, 6
Headlamp Dimmer And Optical
Horn Switch..................8W-50-2, 3, 4
Headlamp Leveling Switch...........8W-50-2, 4
Headlamp Switch..............8W-50-2, 4, 5, 6
Instrument Cluster...................8W-50-3
Left Fog Lamp......................8W-50-6
Left Headlamp..................8W-50-3, 4, 6
Left Headlamp Leveling Motor..........8W-50-4
Left License Lamp...................8W-50-5
Left Park/Turn Signal Lamp............8W-50-5
Power Distribution Center...........8W-50-2, 6Component Page
Radio..............................8W-50-5
Rear Fog Lamp Switch..............8W-50-2, 6
Right Fog Lamp.....................8W-50-6
Right Headlamp.....................8W-50-3
Right Headlamp Leveling Motor.........8W-50-4
Right Park/Turn Signal Lamp.........8W-50-3, 5
Right Repeater Lamp.................8W-50-3
S107............................8W-50-3, 6
S108..............................8W-50-4
S113 ..............................8W-50-5
S114 ..............................8W-50-3
S115 ..............................8W-50-6
S116 ..............................8W-50-3
S117 ..........................8W-50-3, 4, 6
S127..............................8W-50-3
S133............................8W-50-3, 4
S201..............................8W-50-6
S202..............................8W-50-4
S207..............................8W-50-3
S209..............................8W-50-3
S210............................8W-50-2, 4
S213..............................8W-50-2
S221..............................8W-50-2
S306..............................8W-50-5
Turn Signal/Hazard Switch.............8W-50-3
8W - 50 - 2 8W - 50 FRONT LIGHTINGPL
Page 138 of 256
Downloaded from www.Manualslib.com manuals search engine 40A
FUSE
3
BATT A0
POWER
DISTRIBUTION
CENTER
8
A3
12
RD/WT
3
C102
S213
3
A3
12
RD/WT
A3
12
RD/WT
22
PK/RD20 F33
BATT A3
2FUSE15A
1
4
0
2
1
0 OFF 2 PARK
1 HEAD
SWITCH
HEADLAMP
2 24A BREAKER
CIRCUIT1
BLOCK
FUSE
72
L2
14
LG
L2
14
LG
L20
14
LG/WT
TN20 E1 1
S221
31
231
2
HORN OPTICAL
AND
DIMMER
HEADLAMP
SWITCH
1 HIGH
2 LOW
3 OPTICAL
2 4
FUSE
BLOCK9
4A
FUSE
9
29
E2
20
OR
46
HEADLAMP
LEVELING
SWITCH
E2
20
ORE2
22
OR
S210
SWITCH LAMP
FOG
REAR A/C
HEATER
CONTROL
SWITCH
7E2 22OR
9
3
1 (8W-10-6)(8W-10-4)
(8W-10-6)(8W-10-4) (8W-10-6)
(8W-11-4)(8W-11-2)
(8W-11-12)
(8W-11-2)
(8W-11-11)
(8W-50-4)(8W-11-11)
(8W-51-6) (8W-42-3)
8W - 50 - 2 8W-50 FRONT LIGHTINGPL-RHD
978W-1PLR05001
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Downloaded from www.Manualslib.com manuals search engine C10316
2
L44
18
VT/BK
HEADLAMP RIGHT
FEED BEAMLOW
HEADLAMP
DIMMER
AND
OPTICAL
HORN
SWITCH
1
L4
14
VT/WT
RD/OR14L3 3
HIGH
BEAM
FEED
FUSE
BLOCK
38
18FUSE10A
17
10A
FUSE
17
37
L3
14
RD/ORL3
16
RD/OR
CLUSTER INSTRUMENT S209
2C114C101
L3
16
RD/OR
VT/RD20 L44
RD/OR16L3
1
BK18Z1
BK18Z1
S107
G101
3
G103S117
Z1
18
BK
31
SWITCH HAZARD
SIGNAL/
TURN
3C1
TN22 L60 L60
22
TN
S207
L60
22
TN
16C103
TN22 L60
S116
L60
18
TNL60
18
TN
11
2LAMP REPEATER
RIGHT3LAMP
SIGNAL
TURN
PARK/
RIGHT
BK18Z1 Z1
18
BK
S127
Z1
18
BK
LEFT
HEADLAMP
46
(IN PDC) RELAY
LAMP
FOG
Z1
18
BK
1
L3
16
RD/OR
S114
L43 20VT
2
16C103
L43
20
VT
L43
18
VT
S133
(8W-50-2)
(8W-11-2)
(8W-11-12) (8W-11-12)
(8W-40-2)
(8W-40-4)
(8W-15-2)
(8W-15-2)
(8W-15-4)(8W-15-4) (8W-52-3)
(8W-52-3)
(8W-50-6)(8W-11-2)
PL-RHD8W-50 FRONT LIGHTING 8W - 50 - 3
PLR05002978W-1
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Downloaded from www.Manualslib.com manuals search engine VT/WT14L4 1
FUSE
BLOCK
SWITCH HORN
OPTICAL
AND
DIMMER
HEADLAMP
37
17FUSE10A
VT20 L43
C10316
L43
20
VT
L43
20
VT
352
SWITCH LEVELING
HEADLAMP
L13
20
BR/YL
10C101
L13
22
BR/YL
Z1
20
BK
S202
Z1
20
BK
21
3
MOTOR LEVELING
HEADLAMP
LEFT
RIGHT
HEADLAMP
LEVELING
MOTOR
31
2
BR/YL22 L13VT22 L43 L43
22
VT2
S133
L43
18
VT
G204G101
S108
Z1
22
BK
Z1
14
BK
BK14Z1
BK22Z1
S117
G103
17
HEADLAMP LEFT
LOW
BEAM
FEED
4E2
20
OR
S210
9
4A
FUSE
9
29
BLOCK FUSE
1
3 HEAD
2 PARK
1 OFF
SWITCH
HEADLAMP
BATT F33
E1
20
TN
(8W-11-2) (8W-50-2)
(8W-11-12)
(8W-15-7)
(8W-15-7) (8W-15-2)(8W-15-2) (8W-15-4)
(8W-15-4)(8W-50-3) (8W-11-11)(8W-11-11)(8W-11-2)(8W-50-2) (8W-11-4)
MM
8W - 50 - 4 8W-50 FRONT LIGHTINGPL-RHD
978W-1PLR05003
3
2 1
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Downloaded from www.Manualslib.com manuals search engine 22
PK/RD20 F33
BATT A3
2FUSE15A
1BLOCK
FUSE
4
9
3 OFF
2 PARK
1 HEAD
SWITCH
HEADLAMP
1
2 0
C24
RADIOL7
20
BK/YL
L7 20BK/YL
2C230
1
SWITCH LAMP
FOG
FRONT
L7 20BK/YL
BK/YL20 L7
S306
L7
20
BK/YL
2
LEFT
LICENSE
LAMP
L7 20BK/YL
5C105
L7
20
BK/YL
LAMP SIGNAL
TURN
PARK/
LEFT RIGHT
PARK/
TURN
SIGNAL
LAMP
22
BK/YL20 L7 L7
20
BK/YL
S113
(8W-10-6)
(8W-11-4)(8W-11-2)
(8W-50-2)
(8W-47-2)
(8W-50-6)
(8W-11-4)
(8W-51-5)
(8W-52-3) (8W-52-3)
PL-RHD8W-50 FRONT LIGHTING 8W - 50 - 5
PLR05004978W-1