2002 DODGE RAM clock

8W-43 AIRBAG SYSTEM
Component Page
Airbag Control Module.............. 8W-43-2, 3
Clockspring......................... 8W-43-2
Data Link Connector................. 8W-43-3
Driver Airbag....................... 8W-43-2
Fuse 18 (JB)........................ 8W-43-2
Fuse 19 (JB)........................ 8W-43-2
G100.............................. 8W-43-2Component Page
Instrument Cluster................... 8W-43-3
Joint Connector No. 7................. 8W-43-3
Joint Connector No. 8................. 8W-43-2
Junction Block...................... 8W-43-2
Passenger Airbag.................... 8W-43-2
Passenger Airbag On/Off Switch......... 8W-43-2
BR/BE8W-43 AIRBAG SYSTEM 8W - 43 - 1

8W-45 CENTRAL TIMER MODULE
Component Page
Central Timer Module . . 8W-45-2, 3, 4, 6, 7, 8, 9, 10
Clockspring......................... 8W-45-7
Data Link Connector................. 8W-45-2
Driver Cylinder Lock Switch............ 8W-45-6
Driver Door Ajar Switch............ 8W-45-7, 10
Driver Door Lock Motor............... 8W-45-6
Driver Door Window/Lock Switch........ 8W-45-5
Fuse 6 (JB)....................... 8W-45-8, 9
Fuse 11 (JB)...................... 8W-45-2, 8
Fuse 13 (JB)...................... 8W-45-5, 8
Fuse G (PDC)....................... 8W-45-3
Fuse H (PDC)....................... 8W-45-4
G100............................ 8W-45-4, 9
G102.............................. 8W-45-3
G200.............................. 8W-45-8
G201.............................. 8W-45-2
G300......................... 8W-45-6, 7, 10
Headlamp Switch............. 8W-45-2, 7, 8, 10
Heated Seat Relay................... 8W-45-7
High Note Horn..................... 8W-45-4
Horn Relay......................... 8W-45-4
Ignition Switch................. 8W-45-7, 8, 10Component Page
Instrument Cluster................... 8W-45-8
Intermittent Wiper Switch............. 8W-45-9
Joint Connector No. 1............... 8W-45-3, 4
Joint Connector No. 2................. 8W-45-9
Joint Connector No. 5................. 8W-45-2
Joint Connector No. 6........ 8W-45-4, 7, 8, 9, 10
Joint Connector No. 7................. 8W-45-2
Joint Connector No. 8............ 8W-45-7, 8, 10
Junction Block............... 8W-45-2, 5, 7, 8, 9
Left Outboard Headlamp.............. 8W-45-3
Low Note Horn...................... 8W-45-4
Overhead Console.................... 8W-45-6
Passenger Cylinder Lock Switch......... 8W-45-6
Passenger Door Ajar Switch........... 8W-45-10
Passenger Door Lock Motor............ 8W-45-6
Passenger Door Window/Lock Switch . . . 8W-45-5, 6
Power Distribution Center........... 8W-45-3, 4
Right Outboard Headlamp............. 8W-45-3
Security Relay....................... 8W-45-3
Wiper Motor........................ 8W-45-9
Wiper Motor Relay................... 8W-45-9
BR/BE8W-45 CENTRAL TIMER MODULE 8W - 45 - 1

8W-47 AUDIO SYSTEM
Component Page
Central Timer Module.................8w-47-4
Clockspring.........................8w-47-4
Data Link Connector..................8w-47-2
Fuse 4 (JB).........................8w-47-7
Fuse 5 (JB).........................8w-47-3
Fuse 8 (JB).........................8w-47-2
Fuse 12 (JB)........................8w-47-2
Fuse F (PDC)........................8w-47-3
G100........................8w-47-2, 4, 7, 8
Headlamp Switch....................8w-47-3
Instrument Cluster...................8w-47-3
Joint Connector No. 5...............8w-47-2, 3
Joint Connector No. 6.............8w-47-4, 7, 8
Joint Connector No. 7...............8w-47-2, 4Component Page
Joint Connector No. 8.................8w-47-3
Junction Block...................8w-47-2, 3, 7
Left Front Door Speaker.........8w-47-5, 7, 8, 9
Left Rear Speaker..................8w-47-6, 9
Left Remote Radio Switch..............8w-47-4
Left Tweeter........................8w-47-8
Power Distribution Center..............8w-47-3
Radio................8w-47-2, 3, 4, 5, 6, 7, 8, 9
Radio Choke Relay.................8w-47-7, 8
Right Front Door Speaker........8w-47-5, 7, 8, 9
Right Rear Speaker.................8w-47-6, 9
Right Remote Radio Switch.............8w-47-4
Right Tweeter.......................8w-47-8
BR/BE8W-47 AUDIO SYSTEM 8W - 47 - 1

8W-80 CONNECTOR PIN-OUTS
Component Page
4WD Switch........................ 8W-80-4
A/C Compressor Clutch................ 8W-80-4
A/C Heater Control................... 8W-80-4
A/C Heater Temperature Select......... 8W-80-4
A/C High Pressure Switch............. 8W-80-4
A/C Low Pressure Switch.............. 8W-80-5
Accelerator Pedal Position Sensor
(Diesel).......................... 8W-80-5
Aftermarket Trailer Tow Connector...... 8W-80-5
Airbag Control Module................ 8W-80-5
Ambient Temperature Sensor........... 8W-80-6
Ash Receiver Lamp................... 8W-80-6
Automatic Day/Night Mirror............ 8W-80-6
Back-Up Lamp Switch (M/T)........... 8W-80-6
Battery Temperature Sensor............ 8W-80-7
Blend Door Actuator.................. 8W-80-7
Blower Motor....................... 8W-80-7
Blower Motor Resistor Block............ 8W-80-7
Brake Lamp Switch.................. 8W-80-7
Brake Pressure Switch................ 8W-80-8
Bypass Jumper (A/T)................. 8W-80-8
C105.............................. 8W-80-8
C105.............................. 8W-80-8
C106.............................. 8W-80-8
C106.............................. 8W-80-8
C114 .............................. 8W-80-9
C114 .............................. 8W-80-9
C125 (Diesel)....................... 8W-80-9
C125 (Diesel)....................... 8W-80-9
C126 (Diesel)....................... 8W-80-10
C126 (Diesel)....................... 8W-80-10
C129............................. 8W-80-10
C129............................. 8W-80-11
C130 (Diesel)....................... 8W-80-11
C130 (Diesel) (In PDC)............... 8W-80-12
C130 (Gas)........................ 8W-80-13
C130 (Gas) (In PDC)................. 8W-80-14
C134............................. 8W-80-15
C134............................. 8W-80-17
C203............................. 8W-80-18
C203............................. 8W-80-19
C205............................. 8W-80-20
C205............................. 8W-80-20
C206 (Heated Seats)................. 8W-80-20
C206 (Heated Seats)................. 8W-80-21
C237............................. 8W-80-21
C237............................. 8W-80-21
C303............................. 8W-80-22
C303............................. 8W-80-22
C308............................. 8W-80-22
C308............................. 8W-80-22
C329 (Club Cab).................... 8W-80-22Component Page
C329 (Club Cab).................... 8W-80-23
C329 (Standard Cab)................ 8W-80-23
C329 (Standard Cab)................ 8W-80-23
C333 (Club Cab).................... 8W-80-23
C333 (Club Cab).................... 8W-80-23
C333 (Standard Cab)................ 8W-80-24
C333 (Standard Cab)................ 8W-80-24
C342............................. 8W-80-24
C342............................. 8W-80-24
C343............................. 8W-80-24
C343............................. 8W-80-24
C344 (Dual Rear Wheels)............. 8W-80-25
C344 (Dual Rear Wheels)............. 8W-80-25
C345............................. 8W-80-25
C345............................. 8W-80-25
C346............................. 8W-80-26
C346............................. 8W-80-26
C347............................. 8W-80-26
C347............................. 8W-80-27
C348............................. 8W-80-27
C348............................. 8W-80-28
C352............................. 8W-80-28
C352............................. 8W-80-28
C353............................. 8W-80-28
C353............................. 8W-80-28
C358............................. 8W-80-29
C358............................. 8W-80-29
C359 (Heated Seat).................. 8W-80-29
C359 (Heated Seat).................. 8W-80-29
C360 (Club Cab).................... 8W-80-30
C360 (Club Cab).................... 8W-80-30
C361............................. 8W-80-30
C361............................. 8W-80-30
C364............................. 8W-80-31
C364............................. 8W-80-31
C365 (Heated Seat).................. 8W-80-31
C365 (Heated Seat).................. 8W-80-31
Camshaft Position Sensor (8.0L Gas).... 8W-80-32
Camshaft Position Sensor (Diesel)...... 8W-80-32
Camshaft Position Sensor
(Gas Except 8.0L)................. 8W-80-32
Cargo Lamp No. 1................... 8W-80-32
Cargo Lamp No. 2................... 8W-80-32
Center High Mounted Stop Lamp No. 1 . . 8W-80-33
Center High Mounted Stop Lamp No. 2 . . 8W-80-33
Center Identification Lamp............ 8W-80-33
Central Timer Module C1............. 8W-80-33
Central Timer Module C2............. 8W-80-34
Cigar Lighter...................... 8W-80-34
Clockspring C1..................... 8W-80-34
Clockspring C2..................... 8W-80-34
Clockspring C3..................... 8W-80-35
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 1

CENTRAL TIMER MODULE C2 - 18 WAY
CAV CIRCUIT FUNCTION
1 P33 22OR/BK DOOR LOCK DRIVER
2 M11 22PK/LB COURTESY LAMP SWITCH OUTPUT
3 Z3 18BK/OR GROUND
4 P30 22OR/DG PASSENGER DOOR LOCK SWITCH OUTPUT
5 F12 22DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
6 G50 22RD/DB SECURITY RELAY CONTROL
7 P132 16OR/BK HEATED SEAT RELAY CONTROL
8 G69 22BK VTSS INDICATOR DRIVER
9 P34 22PK/BK DOOR UNLOCK DRIVER
10 G73 22LG/OR CYLINDER LOCK SWITCH MUX
11 M22 22WT DOME LAMP SWITCH SENSE
12 - -
13 P31 22PK/DG PASSENGER DOOR UNLOCK SWITCH OUTPUT
14 X20 22RD/BK RADIO CONTROL MUX
15 - -
16 D1 20VT/BR CCD BUS (+)
17 D2 20WT/BK CCD BUS (-)
18 X3 20BK/RD HORN RELAY CONTROL
CIGAR LIGHTER - NATURAL 3 WAY
CAV CIRCUIT FUNCTION
1 F30 18RD/OR FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
2- -
3 Z3 18BK/OR GROUND
CLOCKSPRING C1-5WAY
CAV CIRCUIT FUNCTION
1 V37 22RD/LG SPEED CONTROL SWITCH SIGNAL
2 Z9 20BK/VT (HIGHLINE (REMOTE
RADIO))GROUND
3 K4 22BK/LB SENSOR GROUND
4 X20 22RD/BK (EXCEPT BASE)) RADIO CONTROL MUX
5 X3 20BK/RD HORN RELAY CONTROL
CLOCKSPRING C2 - YELLOW 2 WAY
CAV CIRCUIT FUNCTION
1 R43 18BK/LB DRIVER AIRBAG LINE 2
2 R45 18DG/LB DRIVER AIRBAG LINE 1
8W - 80 - 34 8W-80 CONNECTOR PIN-OUTSBR/BE

CLOCKSPRING C3-4WAY
CAV CIRCUIT FUNCTION
A V37 22DG/RD SPEED CONTROL SWITCH SIGNAL
B Z2 22BK/LG GROUND
D X20 22RD/BK RADIO CONTROL MUX
C K4 22WT SENSOR GROUND
CLUTCH PEDAL POSITION SWITCH (M/T) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 A41 14YL FUSED IGNITION SWITCH OUTPUT (START)
2 T141 14YL/RD CLUTCH PEDAL POSITION SWITCH OUTPUT
CONTROLLER ANTILOCK BRAKE C1 - BLACK 14 WAY
CAV CIRCUIT FUNCTION
1 B113 20RD/VT REAR WHEEL SPEED SENSOR (+)
2 G107 20GY 4WD SWITCH SENSE
3 D1 20VT/BR CCD BUS (+)
4 A20 20RD/DB FUSED IGNITION SWITCH OUTPUT (RUN)
5- -
6 Z8 14BK/VT GROUND
7 A10 14RD/DG FUSED B(+)
8 B114 20WT/VT REAR WHEEL SPEED SENSOR (-)
9 V40 20WT/PK BRAKE SWITCH SENSE
10 D2 20WT/BK CCD BUS (-)
11 G9 20GY/BK BRAKE PRESSURE SWITCH SENSE
12 G7 20WT/OR VEHICLE SPEED SENSOR SIGNAL
13 Z8 14BK/VT GROUND
14 A10 14RD/DG FUSED B(+)
CONTROLLER ANTILOCK BRAKE C2 (ABS) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 B9 20RD LEFT FRONT WHEEL SPEED SENSOR (+)
2 B8 20RD/GY LEFT FRONT WHEEL SPEED SENSOR (-)
3 B6 20WT/DB RIGHT FRONT WHEEL SPEED SENSOR (-)
4 B7 20WT RIGHT FRONT WHEEL SPEED SENSOR (+)
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 35

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Clockspring C1 Steering Column 32
Clockspring C2 Steering Column 32
Clockspring C3 Steering Column 32
Clutch Pedal Position Switch
(M/T)BK Top of Clutch Pedal 35
Controller Anti-Lock Brake C1 BK Left Fender Side Shield 18
Controller Anti-Lock Brake C2
(ABS)BK Left Fender Side Shield 18
Crankshaft Position Sensor
(V8)BK Rear of Engine Block 5
Crankshaft Position Sensor
(V10GY Right Side of Engine Block 8
Cummins Bus (-) Left Front of Engine 13
Cup Holder Lamp BK Center of Instrument Panel 30, 34
Data Link Connector BK Left Bottom of Instrument Panel 30, 32
Day/Night Mirror BK Day/Night Mirror N/S
Daytime Running Lamp
ModuleBK Left Fender Side Shield 18
Dome Lamp BK Rear of Cab 23
Driver Airbag YL Steering Wheel N/S
Driver Cylinder Lock Switch BK In Door 24
Driver Door Ajar Switch NAT Door Jamb N/S
Driver Door Lock Motor BK In Door 24
Driver Door Window/Lock
SwitchBL In Door 24
Driver Heated Seat Cushion BL Under Seat N/S
Driver Heated Seat Switch RD Center of Instrument Panel N/S
Driver Lumbar Motor Under Seat N/S
Driver Power Seat Front
Vertical MotorBK Under Seat N/S
Driver Power Seat Horizontal
MotorBK Under Seat N/S
Driver Power Seat Rear
Vertical MotorBK Under Seat N/S
Driver Power Seat Switch At Seat N/S
Driver Power Window Motor In Door 24
EVAP/Purge Solenoid BK Right Fender Side Shield 22
Electric Brake Provision Bottom Left of Instrument Panel N/S
Engine Control Module
(Diesel)Left Side Engine 15
Engine Coolant Temperature
Sensor (Diesel)BK Left Front of Cylinder Head (Diesel) 13
Engine Coolant Temperature
Sensor (Gas)BK On Thermostat Housing 5, 8
BR/BE8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 3
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

to service. Refer toCharging Systemin the index of
this service manual for the charging system diagnos-
tic procedures.
(1) Position the generator cartridge fuse onto the
two B(+) terminal stud bus bars within the PDC.
(2) Install and tighten the two screws that secure
the generator cartridge fuse to the two B(+) terminal
stud bus bars within the PDC. Tighten the screws to
3.4 N´m (30 in. lbs.).Be certain that both screws
are tightened to the proper torque value.
(3) Install and latch the cover onto the PDC.
(4) Reconnect the battery negative cable.
IOD FUSE
DESCRIPTION
All vehicles are equipped with an Ignition-Off
Draw (IOD) fuse (Fig. 3) that is disconnected within
the Junction Block when the vehicle is shipped from
the factory. Dealer personnel are to reconnect the
IOD fuse in the junction block as part of the prepa-
ration procedures performed just prior to new vehicle
delivery.
The left end of the instrument panel cover has a
snap-fit fuse access panel that can be removed to pro-
vide service access to the fuses in the junction block.
A finger recess is molded into the access panel for
easy removal. An adhesive-backed fuse layout map issecured to the instrument panel side of the access
panel to ensure proper fuse identification. The IOD
fuse is a 10 ampere mini blade-type fuse. The fuse is
secured within a black molded plastic fuse holder
and puller unit that serves both as a tool for discon-
necting and reconnecting the fuse in its junction
block cavity, and as a fuse holder that conveniently
stores the fuse in the same junction block cavity after
it has been disconnected.
CIRCUITS INCLUDED WITH IOD FUSE
²Cargo Lamp
²CHMSL
²Diagnostic Connector
²Dome Lamp
²Glove Box Lamp
²Map/Reading Lamps
²Power Mirrors
²Radio
²Under Hood Lamp
OPERATION
The term ignition-off draw identifies a normal con-
dition where power is being drained from the battery
with the ignition switch in the Off position. The IOD
fuse feeds the memory and sleep mode functions for
some of the electronic modules in the vehicle as well
as various other accessories that require battery cur-
rent when the ignition switch is in the Off position,
including the clock. The only reason the IOD fuse is
disconnected is to reduce the normal IOD of the vehi-
cle electrical system during new vehicle transporta-
tion and pre-delivery storage to reduce battery
depletion, while still allowing vehicle operation so
that the vehicle can be loaded, unloaded and moved
as needed by both vehicle transportation company
and dealer personnel.
The IOD fuse is disconnected from JB fuse cavity
12 when the vehicle is shipped from the assembly
plant. Dealer personnel must reconnect the IOD fuse
when the vehicle is being prepared for delivery in
order to restore full electrical system operation. Once
the vehicle is prepared for delivery, the IOD function
of this fuse becomes transparent and the fuse that
has been assigned the IOD designation becomes only
another Fused B(+) circuit fuse. The IOD fuse serves
no useful purpose to the dealer technician in the ser-
vice or diagnosis of any vehicle system or condition,
other than the same purpose as that of any other
standard circuit protection device.
The IOD fuse can be used by the vehicle owner as
a convenient means of reducing battery depletion
when a vehicle is to be stored for periods not to
exceed about thirty days. However, it must be
remembered that disconnecting the IOD fuse will not
eliminate IOD, but only reduce this normal condition.
Fig. 3 Ignition-Off Draw Fuse
1 - JUNCTION BLOCK
2 - IGNITION-OFF DRAW FUSE AND HOLDER
3 - LEFT INSTRUMENT PANEL END BRACKET
BR/BE8W-97 POWER DISTRIBUTION 8W - 97 - 5
GENERATOR CARTRIDGE FUSE (Continued)