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36
SHIFT-ON-THE-FLY
C-10
METER
GAUGE
10A
DASH
FUSE
BOX
4WD
INDICATOR
LIGHT
M-22
M-22
YEL
FRONT AXLE
SWITCH
Closed with
4WD engaged.
BLK
RED/BLU
RED/BLU
See Ground
Distribution,
page 14-7.
6
1
METER
ASSEMBLY
C-4
ELEC.
IGN.
15A
M-24
1
M-23
1
M-24
2
M-23
2
H-10
2
FRONT AXLE
VACUUM
SOLENOID
VALVE (C) - GRAY
FRONT AXLE
VACUUM
SOLENOID
VALVE (D) - BLUE
Meter
Assembly
15
I-9
BLU/YEL
BLU/YEL
BLU/YEL
BLK
BLK
BLK
BLK
BLU/YEL
BLU/YEL
BLU/WHT
2
HOT IN ON OR START
C-16
7
BLU/WHT
HOT IN ON OR START
DASH
FUSE
BOX
See
Charging
System
3
2
6
OFF
ON
ILLUMI-
NATION
4
2-4WD
SWITCH
BLU/WHT
GRN/RED
Dash and
Console Lights
I-12
RED/GRN
Dash and
Console Lights
18
LT GRN
I-9
H-24
14
LT GRN
4WD
CONTROL
UNIT
Solid-state:
Do not
check
resistance.
19
C-94
H-24
9
8
RED/WHT
RED/WHT
17
I-12
BLU/WHT
Ignition
On/off
input
4WD indicator
light control
Front axle
engaged input
Front axle
VSV’s
control
Ground
4WD
engaged
output
YEL
9
14
BLU/YEL
15
16
20
C-94
BLU/YEL
BLK
4
H-10
3
BLU/YEL
BLK
PNK
6
H-7
PNK
Anti-lock Brake
System (ABS)
Front axle
VSV’s
control
See Dash
Fuse Box,
page 11-1.
BLU/WHT
SB9
See Dash
Fuse Box,
page 11-3.
H-25
10
BLU/YEL
19
H-12
SB13
BLU/WHT
8
H-7
BLU/WHT
Engine
Controls
PNK
Circuit Schematic
36-1
SHIFT-ON-THE-FLY
M-12
YEL/BLK
BLK
RED/BLU
RED/BLU
See Ground
Distribution,
page 14-7.
4WD
TRANSFER
SWITCH
Closed with
4WD engaged.
1
C-16
2
4WD
ACTUATOR
ASSEMBLY
4WD
CONTROL
UNIT
Solid-state:
Do not check
resistance.
M
H-10
7
3
BRN/BLK
BRN/BLK
10
5
8
2
BRN/RED
BRN/RED
4
13
6
RED/BLU
RED/BLU
21
10
5
RED
RED
22
M-26
C-94
Transfer
complete
input
4WD motor control
High/4L
input
GRN
GRN/RED
GRN
YEL
M-26
4
BLK
BLK
BLK
M-11
YEL/BLK
H-10
14
BLK
Circuit Schematic
36-2
SHIFT-ON-THE-FLY
(Refer to Section 201 for photographs.)
Component
Photo No.
4WD Actuator Assembly
On rear of transmission
119
. . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4WD Control Unit
Behind front console
62
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4WD Transfer Switch
Beneath vehicle, on right side of transfer case
42
. . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dash Fuse Box
Behind left dash side trim panel
55
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Axle Switch
Left center of front axle
17
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Axle Vacuum Solenoid
Valve (D) - Blue
Center of front axle
9
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Axle Vacuum Solenoid
Valve (C) - Gray
Center of front axle
9
. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
H-7 (20-BRN/WHT)
Below I/P, above left dash side trim panel, on bracket
69
. . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
H-10 (16-BLU)
Left front of engine compartment
27
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-12 (20-WHT)
Below I/P, above right dash side trim panel, on bracket
100
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
H-24 (18-YEL)
Below I/P, above left dash side trim panel, on bracket
70
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
H-25 (22-BLU)
Below I/P, above left dash side trim panel, on bracket
71
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
I-9 (30-GRN)
On left top of meter assembly
53
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M-11 (1-WHT)
Beneath center of vehicle, top right side of transmission
42
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
M-12 (1-WHT)
Beneath center of vehicle, top right side of transmission
42
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
M-22 (2-BRN)
Center of front axle
17
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
M-26 (6-GRY)
On rear of transmission
119
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
C-16
Left rear corner of engine compartment, on inner fender panel
39
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
Component Location Index
TORQUE ON DEMAND (T.O.D.) SYSTEM
4H/L Transfer Switch Assembly
Brake Switch
Clutch Solenoid (Transfer)
Dash Fuse Box
Data Link Connector (DLC)
C63 (16-BLK)
Engine or Powertrain Control
Module (ECM or PCM)
Front Axle Switch
Front Axle Vacuum Solenoid
Valve (D) - Blue
Front Axle Vacuum Solenoid
Valve (C) - Gray
Front Speed Sensor
(Transfer)
Rear Speed Sensor
(Transfer)
T.O.D. Control Unit
Component Location Index
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