low beam DODGE RAM 2001 Service Owner's Manual

(5) From behind the bumper, tighten the bumper
mounting nuts.
(6) Install the screws attaching top of headlamp
module to radiator closure panel.
(7) Install park and turn signal lamp.
(8) Install push-in fastener attaching seal to radi-
ator closure panel.
(9) Connect the battery negative cable.
ADJUSTMENTS
LAMP ALIGNMENT SCREEN PREPARATION
(1) Position vehicle on a level surface perpendicu-
lar to a flat wall 7.62 meters (25 ft) away from front
of headlamp lens (Fig. 20).
(2) If necessary, tape a line on the floor 7.62
meters (25 ft) away from and parallel to the wall.
(3) Up 1.27 meters (5 feet) from the floor, tape a
line on the wall at the centerline of the vehicle. Sight
along the centerline of the vehicle (from rear of vehi-
cle forward) to verify accuracy of the line placement.
(4) Rock vehicle side-to-side three times to allow
suspension to stabilize.
(5) Jounce front suspension three times by pushing
downward on front bumper and releasing.(6) Measure the distance from the center of head-
lamp lens to the floor. Transfer measurement to the
alignment screen (with tape). Use this line for
up/down adjustment reference.
(7) Measure distance from the centerline of the
vehicle to the center of each headlamp being aligned.
Transfer measurements to screen (with tape) to each
side of vehicle centerline. Use these lines for left/
right adjustment reference.
VEHICLE PREPARATION FOR HEADLAMP
ALIGNMENT
(1) Verify headlamp dimmer switch and high beam
indicator operation.
(2) Verify headlamps are set for low beam opera-
tion.
(3) Correct defective components that could hinder
proper headlamp alignment.
(4) Verify proper tire inflation.
(5) Clean headlamp lenses.
(6) Verify that luggage area is not heavily loaded.
(7) Fuel tank should be FULL. Add 2.94 kg (6.5
lbs.) of weight over the fuel tank for each estimated
gallon of missing fuel.
Fig. 20 Lamp Alignment ScreenÐTypical
1 - CENTER OF VEHICLE
2 - CENTER OF HEADLAMP3 - 7.62 METERS (25 FT.)
4 - FRONT OF HEADLAMP
BR/BELAMPS/LIGHTING - EXTERIOR 8L - 21
HEADLAMP UNIT (Continued)

HEADLAMP ADJUSTMENT
Headlamps can be aligned using the screen method
provided or alignment tool C-4466±A or equivalent
can be used. refer to the instructions provided with
the tool for proper procedures.
A properly aimed low beam headlamp will project
top edge of high intensity pattern on screen from 50
mm (2 in.) above to 50 mm (2 in.) below headlamp
centerline. The side-to-side outboard edge of high
intensity pattern should be from 50 mm (2 in.) left to
50 mm (2 in.) right of headlamp centerline. (Fig. 20)
The preferred headlamp alignment is 1º down
for the up/down adjustment and 0 for the left/
right adjustment.The high beam pattern should be
correct when the low beams are aligned properly.
To adjust headlamp aim, rotate alignment screws
(Fig. 21) to achieve the specified high intensity pat-
tern.
LICENSE PLATE LAMP
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove license plate lamp lens.
(3) Pull bulb from license plate lamp.
INSTALLATION
(1) Install bulb in license plate lamp.
(2) Install license plate lamp lens.
(3) Connect the battery negative cable.
LICENSE PLATE LAMP UNIT
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove screws attaching license plate panel to
cargo box.
(3) Disengage license plate lamp wire connector
from body wire harness (Fig. 22).
(4) Separate license plate lamp from vehicle.
INSTALLATION
(1) Position license plate lamp in vehicle.
(2) Engage license plate lamp wire connector to
body wire harness.
(3) Install screws attaching license plate panel to
cargo box.
(4) Connect the battery negative cable.
MARKER LAMP
REMOVAL
Individual lamps may be replaced by removing the
lamp from the light bar. Using a flat blade screw-
driver, carefully pry lamp to disengage clips attach-
ing ID lamp to retainer.
Fig. 21 Aero Headlamp Alignment
1 - LEFT AND RIGHT ADJUSTMENT SCREW
2 - UP AND DOWN ADJUSTMENT SCREW
Fig. 22 License Plate Lamp Panel
1 - LIGHTING HARNESS
2 - BUMPER
3 - LICENSE PLATE LAMP
4 - SCREW
5 - LAMP PANEL
8L - 22 LAMPS/LIGHTING - EXTERIORBR/BE
HEADLAMP UNIT (Continued)

(1) Disconnect and isolate the battery negative
cable.
(2) Remove four screws attaching rear ID lamps to
tailgate (Fig. 23).
(3) Separate ID lamps from tailgate.
(4) Disengage ID lamp wire connector from body
wire harness.
(5) Separate ID lamp from vehicle.
INSTALLATION
(1) Position ID lamp on vehicle.
(2) Engage ID lamp wire connector to body wire
harness.
(3) Install screws attaching rear ID lamps to tail-
gate.
(4) Connect the battery negative cable.
MULTI-FUNCTION SWITCH
DESCRIPTION
The multi-function switch is secured with two
screws to the left side of the upper steering column
housing at the top of the steering column, just below
the steering wheel (Fig. 24). The only visible parts of
the multi-function switch are the control stalk that
extends through a dedicated opening in the left side
of the upper steering column shrouds, and the haz-
ard warning switch push button that protrudes
through an opening in the upper steering columnshroud on the top of the steering column. The
remainder of the switch, its mounting provisions, and
its electrical connections are all concealed beneath
the steering column shrouds. The multi-function
switch control stalk has both nomenclature and
International Control and Display Symbol graphics
applied to it, which identify its many functions. An
International Control and Display Symbol icon for
ªHazard Warningº is applied to the top of the hazard
warning switch push button.
The switch housing and its controls are constructed
of molded black plastic. A single connector receptacle
with up to twenty-four terminals is located on the
back of the switch housing and connects the switch
to the vehicle electrical system through a take out
and connector of the instrument panel wire harness.
The connector receptacle also has a threaded recep-
tacle for a screw, which secures the wire harness con-
nector to the switch connector receptacle.
The multi-function switch supports the following
functions and features:
²Continuous Wipe Modes- The control knob of
the multi-function switch provides two continuous
wipe switch positions, low speed or high speed.
²Hazard Warning Control- The internal cir-
cuitry and hardware of the multi-function switch pro-
vide detent switching for activation and deactivation
of the hazard warning system.
²Headlamp Beam Selection- The internal cir-
cuitry and hardware of the multi-function switch pro-
vide detent switching for selection of the headlamp
high or low beams.
²Headlamp Optical Horn- The internal cir-
cuitry and hardware of the multi-function switch
Fig. 23 Rear Identification Lamps
1 - BUMPER
2 - SCREW
3 - TAILGATE MARKER LAMPS
4 - TAILGATE
Fig. 24 Multi-Function Switch
1 - WINDSHIELD WASHER BUTTON
2 - CONTROL STALK
3 - HAZARD WARNING BUTTON
4 - WINDSHIELD WIPER CONTROL
5 - MULTI-FUNCTION SWITCH
BR/BELAMPS/LIGHTING - EXTERIOR 8L - 23
MARKER LAMP (Continued)

includes momentary switching of the headlamp high
beam circuits to provide an optical horn feature
(sometimes referred to as flash-to-pass), which allows
the vehicle operator to momentarily flash the head-
lamp high beams as an optical signalling device.
²Intermittent Wipe Mode- The control knob of
the multi-function switch provides an intermittent
wipe mode with multiple delay interval positions.
²Turn Signal Control- The internal circuitry
and hardware of the multi-function switch provide
both momentary non-detent switching and detent
switching with automatic cancellation for both the
left and right turn signals.
²Washer Mode- A button on the end of the con-
trol stalk of the multi-function switch provides
washer system operation when the button is
depressed towards the steering column.
The multi-function switch cannot be adjusted or
repaired. If any function of the switch is faulty, or if
the switch is damaged, the entire switch unit must
be replaced.
OPERATION
The multi-function switch uses conventionally
switched outputs and a variable resistor to control
the many functions and features it provides using
hard wired circuitry. The switch is grounded at all
times through a single wire take out with an eyelet
terminal connector of the instrument panel wire har-
ness that is secured by a nut to a ground stud
located on the instrument panel armature, just above
and to the left of the glove box opening. When the
ignition switch is in the Accessory or On positions,
battery current from a fuse in the Junction Block
(JB) is provided through a fused ignition switch out-
put (run-acc) circuit. Following are descriptions of
the how the multi-function switch operates to control
the many functions and features it provides:
²Continuous Wipe Modes- When the control
knob of the multi-function switch is rotated to the
High or Low positions, the circuitry within the
switch provides a battery current output directly to
the high or low speed brush of the wiper motor.
When the control knob is in the Off position, the cir-
cuitry within the switch connects the output of the
wiper motor park switch to the low speed brush of
the wiper motor.
²Hazard Warning Control- The hazard warn-
ing push button is pushed down to unlatch the
switch and activate the hazard warning system, and
pushed down again to latch the switch and turn the
system off. When the hazard warning switch is
latched (hazard warning off), the push button will be
in a lowered position on the top of the steering col-
umn shroud; and, when the hazard warning switch is
unlatched (hazard warning on), the push button willbe in a raised position. The multi-function switch
hazard warning circuitry simultaneously provides a
signal to the hazard warning sense of the combina-
tion flasher to activate or deactivate the flasher out-
put, and directs the output of the flasher to the
hazard warning lamps.
²Headlamp Beam Selection- The multi-func-
tion switch control stalk is pulled towards the steer-
ing wheel past a detent, then released to actuate the
headlamp beam selection switch. Each time the con-
trol stalk is actuated in this manner, the opposite
headlamp mode from what is currently selected will
be activated. The internal circuitry of the headlamp
beam selection switch directs the output of the head-
lamp switch through hard wired circuitry to activate
the selected headlamp beam.
²Headlamp Optical Horn- The left multi-func-
tion switch control stalk is pulled towards the steer-
ing wheel to just before a detent, to momentarily
activate the headlamp high beams. The high beams
will remain illuminated until the control stalk is
released. The internal circuitry of the headlamp
beam selection switch provides a momentary ground
path to the headlamp high beams.
²Intermittent Wipe Mode- When the multi-
function switch control knob is rotated to the Delay
position, the circuitry within the switch connects the
output of the wiper motor relay to the low speed
brush of the wiper motor and provides a battery cur-
rent signal to the Central Timer Module (CTM). If
the Delay mode is selected, the control knob can then
be rotated to multiple minor detent positions, which
actuates a variable resistor within the switch and
provides a hard wired output to the CTM that sig-
nals the desired delay interval for the intermittent
wiper feature.
²Turn Signal Control- The multi-function
switch control stalk actuates the turn signal switch.
When the control stalk is moved in the upward direc-
tion, the right turn signal circuitry is activated; and,
when the control stalk is moved in the downward
direction, the left turn signal circuitry is activated.
The multi-function switch turn signal circuitry simul-
taneously provides a signal to the turn signal sense
of the combination flasher to activate or deactivate
the flasher output, and directs the output of the
flasher to the proper turn signal lamps. The turn sig-
nal switch has a detent position in each direction
that provides turn signals with automatic cancella-
tion, and an intermediate, momentary position in
each direction that provides turn signals only until
the left multi-function switch control stalk is
released. When the control stalk is moved to a turn
signal switch detent position, the cancel actuator
extends toward the center of the steering column. A
turn signal cancel cam that is integral to the clock-
8L - 24 LAMPS/LIGHTING - EXTERIORBR/BE
MULTI-FUNCTION SWITCH (Continued)

MULTI-FUNCTION SWITCH TESTS
SWITCH POSITIONS
CONTINUITY BETWEEN
TURN SIGNAL HAZARD WARNING
Neutral Off Pins 12, 14, & 15
Left Off Pins 15, 16, & 17
Left Off Pins 12 & 14
Left Off *Pins 22 & 23
Right Off Pins 11, 12, & 17
Right Off Pins 14 & 15
Right Off *Pins 23 & 24
Neutral On Pins 11, 12, 13, 15, & 16
* with optional corner lamps
WIPER & WASHER SWITCH POSITIONS CONTINUITY BETWEEN
Off Pins6&7
**Delay Pins 1, 2, & 4, Pins8&9
Low Pins4&6
High Pins4&5
Wash Pins3&4
**Resistance between Pins1&2atMaximum delay position is between 270 and 330 kilohms, and at Minimum delay position
is zero ohms.
HEADLAMP BEAM SELECTION SWITCH POSITIONS CONTINUITY BETWEEN
Low Beams Pins 18 & 19
High Beams Pins 19 & 20
Flash Pins 19, 20, & 21
Fig. 25 Multi-Function Switch Tests
8L - 26 LAMPS/LIGHTING - EXTERIORBR/BE
MULTI-FUNCTION SWITCH (Continued)

LAMPS/LIGHTING - INTERIOR
TABLE OF CONTENTS
page page
LAMPS/LIGHTING - INTERIOR
SPECIFICATIONS........................33
DOME LAMP
REMOVAL..............................33
INSTALLATION...........................33
DOOR AJAR SWITCH
DESCRIPTION...........................34
DIAGNOSIS AND TESTING.................34
DOOR AJAR SWITCH....................34
REMOVAL..............................35
INSTALLATION...........................35GLOVE BOX LAMP AND SWITCH
REMOVAL..............................35
INSTALLATION...........................35
READING LAMP
DESCRIPTION...........................36
OPERATION.............................36
REMOVAL..............................36
INSTALLATION...........................36
VANITY LAMP
REMOVAL..............................37
INSTALLATION...........................37
LAMPS/LIGHTING - INTERIOR
SPECIFICATIONS
INTERIOR LAMPS
LAMP BULB
A/C HEATER CONTROL 158
ASH RECEIVER 161
CIGAR LIGHTER 161
HEADLAMP SWITCH 158
HEATER CONTROL 158
INSTRUMENT CLUSTER PC194
RADIO ASC
AIRBAG HIGH LINE PC194
AIRBAG LOW LINE PC74
ANTI-LOCK BRAKE PC74
BATTERY VOLTAGE PC194
BRAKE WARNING PC194
CHECK ENGINE PC74
ENGINE OIL PRESSURE PC74
FOUR WHEEL DRIVE PC194
HIGH BEAM PC194
LOW FUEL PC194
LOW WASHER FLUID PC74
MAINTENANCE
REQUIREDPC74
MESSAGE CENTER PC194
SEAT BELT PC74
LAMP BULB
TURN SIGNAL PC194
UPSHIFT PC74
DOME 1004
GLOVE COMPARTMENT 1891
VANITY MIRROR LAMP P/N 6501966
DOME LAMP
REMOVAL
(1) Using a small flat blade, pry the left side (driv-
er's side) of the dome lamp lens downward from
dome lamp.
(2) Allow the lens to hang down (Fig. 1) , this will
disengage the right side of the lamp (passenger's
side) from the headliner.
(3) Pull the right side of the lamp down and slide
the lamp to the right (Fig. 2) .
(4) Separate the lamp from the headliner.
(5) Disengage dome lamp wire connector from body
wire harness.
(6) Separate dome lamp from vehicle.
INSTALLATION
(1) Position dome lamp at headliner.
(2) Connect dome lamp wire connector to body
wire harness.
(3) Position the left side of the lamp in the head-
liner opening and slide lamp to the left.
(4) Push the right side of the lamp in the head-
liner opening and push the lamp lens up into the
lamp to secure.
BR/BELAMPS/LIGHTING - INTERIOR 8L - 33

VEHICLE THEFT SECURITY
TABLE OF CONTENTS
page page
VEHICLE THEFT SECURITY
DESCRIPTION............................1
OPERATION.............................2
DIAGNOSIS AND TESTING..................3
VEHICLE THEFT SECURITY SYSTEM........3VTSS INDICATOR
DESCRIPTION............................3
OPERATION.............................3
DIAGNOSIS AND TESTING..................3
VTSS INDICATOR.......................3
VEHICLE THEFT SECURITY
DESCRIPTION
The Vehicle Theft Security System (VTSS) is an
available factory-installed option on this model when
it is also equipped with the high-line or premium
Central Timer Module (CTM). The VTSS is designed
to provide perimeter protection against unauthorized
use or tampering by monitoring the vehicle doors and
the ignition system. If unauthorized vehicle use or
tampering is detected, the system responds by puls-
ing the horn, flashing the headlamps, and preventing
the engine from operating.
The VTSS includes the following major compo-
nents, which are described in further detail else-
where in this service manual:
²Central Timer Module- The high-line or pre-
mium Central Timer Module (CTM) is located under
the driver side end of the instrument panel, inboard
of the instrument panel steering column opening.
The high-line or premium CTM contains a micropro-
cessor and software that allow it to provide many
electronic functions and features not available with
base version of the CTM, including the VTSS. The
CTM provides all of the proper VTSS features and
outputs based upon the monitored inputs. The CTM
circuitry monitors hard wired switch inputs, as well
as message inputs received from other vehicle elec-
tronic modules over the Chrysler Collision Detection
(CCD) data bus network. (Refer to 8 - ELECTRICAL/
ELECTRONIC CONTROL MODULES/BODY CON-
TROL/CENTRAL TIMER MODULE -
DESCRIPTION).
²Door Ajar Switch- A door ajar switch is
located on the hinge pillar of each front door in the
vehicle. These switches provide an input to the VTSS
indicating whether the door is opened or closed.
(Refer to 8 - ELECTRICAL/LAMPS/LIGHTING -
INTERIOR/DOOR AJAR SWITCH - DESCRIPTION).
²Door Cylinder Lock Switch- A door cylinder
lock switch is located on the back of each front door
lock cylinder. This switch provides an input to theVTSS indicating whether the system should remain
armed or be disarmed. (Refer to 8 - ELECTRICAL/
POWER LOCKS/DOOR CYLINDER LOCK SWITCH
- DESCRIPTION).
²Horn Relay- The horn relay is located in the
Power Distribution Center (PDC) in the engine com-
partment near the battery. The horn relay is nor-
mally activated by the horn switch to control the
sounding of the vehicle horn or horns. However, it
can also be activated by an output of the Central
Timer Module (CTM) to provide an audible indication
that unauthorized vehicle use or tampering has been
detected. (Refer to 8 - ELECTRICAL/HORN/HORN
RELAY - DESCRIPTION).
²Headlamp Relay- The headlamp relay (also
known as the security relay) is located in the Power
Distribution Center (PDC) in the engine compart-
ment near the battery. The headlamp relay is nor-
mally activated by the Central Timer Module (CTM)
based upon inputs from the Remote Keyless Entry
(RKE) panic mode feature. However, it can also be
activated by an output of the CTM to flash the head-
lamp low beams to provide a highly visible indication
that unauthorized vehicle use or tampering has been
detected. (Refer to 8 - ELECTRICAL/LAMPS/LIGHT-
ING - EXTERIOR/HEADLAMP RELAY - DESCRIP-
TION).
²VTSS Indicator- A red Light Emitting Diode
(LED) located on the lower surface of the overhead
console near the windshield is illuminated by an out-
put of the Central Timer Module (CTM) to indicate
the status of the VTSS. This LED is integral to the
electronic circuit board for the Compass Mini-Trip
Computer (CMTC). (Refer to 8 - ELECTRICAL/
OVERHEAD CONSOLE/COMPASS/MINI-TRIP
COMPUTER - DESCRIPTION).
The engine no-run feature of the VTSS relies upon
communication between the high-line or premium
CTM and the Powertrain Control Module (PCM) over
the Chrysler Collision Detection (CCD) data bus net-
work.
Hard wired circuitry connects many of the VTSS
components to each other through the electrical sys-
BR/BEVEHICLE THEFT SECURITY 8Q - 1

8W-02 COMPONENT INDEX
Component Page
4WD Switch.......................... 8W-31
A/C Compressor Clutch Relay............ 8W-42
A/C Compressor Clutch................. 8W-42
A/C-Heater Control.................... 8W-42
A/C Heater Temperature Select........... 8W-42
A/C High Pressure Switch............... 8W-42
A/C Low Pressure Switch................ 8W-42
Accelerator Pedal Position Sensor......... 8W-30
Aftermarket Center High Mounted
Stop Lamp......................... 8W-51
Aftermarket Trailer Tow Connector........ 8W-54
Airbag Control Module.................. 8W-43
Ambient Temperature Sensor............ 8W-49
Ash Receiver Lamp.................... 8W-44
Automatic Day/Night Mirror............. 8W-49
Automatic Shut Down Relay............. 8W-30
Auxiliary Battery...................... 8W-20
Back-Up Lamp Switch.................. 8W-51
Back-Up Lamps....................... 8W-51
Battery Temperature Sensor............. 8W-30
Battery............................. 8W-20
Blend Door Actuator................... 8W-42
Blower Motor Relay.................... 8W-42
Blower Motor Resistor Block............. 8W-42
Blower Motor......................... 8W-42
Brake Lamp Switch.................... 8W-51
Brake Pressure Switch............... 8W-34, 35
Bypass Jumper....................... 8W-21
Camshaft Position Sensor............... 8W-30
Capacitor......................... 8W-10, 30
Cargo Lamps......................... 8W-44
Center High Mounted Stop Lamps........ 8W-51
Center Identification Lamp.............. 8W-50
Central Timer Module.................. 8W-45
Cigar Lighter......................... 8W-41
Circuit Breakers...................... 8W-12
Clockspring.................. 8W-33, 41, 43, 47
Clutch Pedal Position Switch............. 8W-21
Combination Flasher................... 8W-52
Controller Antilock Brake............ 8W-34, 35
Crankshaft Position Sensor.............. 8W-30
Cummins Bus........................ 8W-18
Cup Holder Lamp..................... 8W-44
Cylinder Lock Switches................ 8W-39
Data Link Connector................... 8W-18
Daytime Running Lamp Module.......... 8W-50
Dome Lamp.......................... 8W-44
Door Ajar Switches.................... 8W-45
Door Lock Motors..................... 8W-61
Door Window/Lock Switches.......... 8W-60, 61
Driver Airbag......................... 8W-43
Duty Cycle EVAP/Purge Solenoid......... 8W-30Component Page
Electric Brake Provision................ 8W-54
Engine Control Module.............. 8W-30, 70
Engine Coolant Temperature Sensor....... 8W-30
Engine Oil Pressure Sensor.............. 8W-30
Engine Starter Motor Relay.............. 8W-21
Engine Starter Motor................... 8W-21
Fender Lamp......................... 8W-51
Fog Lamp Indicator.................... 8W-50
Fog Lamp Relay....................... 8W-50
Fog Lamp............................ 8W-50
Fuel Heater Relay..................... 8W-30
Fuel Heater.......................... 8W-30
Fuel Injection Pump................... 8W-30
Fuel Injectors......................... 8W-30
Fuel Transfer Pump.................... 8W-30
Fuses (JB)........................... 8W-12
Fuses (PDC).......................... 8W-10
Fusible Link....................... 8W-20, 30
Generator............................ 8W-20
Glove Box Lamp And Switch............. 8W-44
Grounds............................. 8W-15
Headlamp Beam Select Switch........... 8W-50
Headlamp Switch...................... 8W-50
Headlamp........................... 8W-50
Heated Mirror Relay................... 8W-62
Heated Mirror Switch.................. 8W-62
Heated Seat Cushions.................. 8W-63
Heated Seat Relay..................... 8W-12
Heated Seat Switches.................. 8W-63
High Beam Indicator................... 8W-40
High Note Horn....................... 8W-41
Horn Relay.......................... 8W-41
Horn Switch.......................... 8W-41
Idle Air Control Motor.................. 8W-30
Ignition Coil 4-Pack.................... 8W-30
Ignition Coil 6-Pack.................... 8W-30
Ignition Coil.......................... 8W-30
Ignition Switch....................... 8W-10
Instrument Cluster.................... 8W-40
Intake Air Heater Relays................ 8W-30
Intake Air Heater..................... 8W-30
Intake Air Temperature Sensor........... 8W-30
Intermittent Wiper Switch............... 8W-53
Joint Connectors . . 8W-10, 12, 15, 30, 31, 34, 35, 40,
44, 45, 51, 53, 70
Junction Block........................ 8W-12
Leak Detection Pump.................. 8W-30
License Lamp......................... 8W-51
Low Note Horn....................... 8W-41
Lumbar Motors....................... 8W-63
Manifold Absolute Pressure Sensor........ 8W-30
Manifold Air Pressure Sensor............ 8W-30
BR/BE8W-02 COMPONENT INDEX 8W - 02 - 1

8W-10 POWER DISTRIBUTION
Component Page
A/C Compressor Clutch Relay.......... 8W-10-27
A/C Compressor Clutch............... 8W-10-27
Aftermarket Center High Mounted
Stop Lamp....................... 8W-10-13
Aftermarket Trailer Tow Connector...... 8W-10-21
Automatic Shut Down Relay......... 8W-10-14, 20
Auxiliary Battery..................... 8W-10-8
Battery............................ 8W-10-8
Blower Motor Relay.................. 8W-10-23
Blower Motor....................... 8W-10-23
Brake Lamp Switch.................. 8W-10-13
Capacitor.......................... 8W-10-16
Center High Mounted Stop Lamp No. 1 . . . 8W-10-13
Center High Mounted Stop Lamp No. 2 . . . 8W-10-13
Central Timer Module C1............. 8W-10-22
Central Timer Module C2............. 8W-10-26
Circuit Breaker 2.................... 8W-10-10
Clockspring........................ 8W-10-26
Combination Flasher................. 8W-10-13
Controller Antilock Brake............. 8W-10-23
Daytime Running Lamp Module........ 8W-10-25
Electric Brake Provision............ 8W-10-13, 21
Engine Control Module............... 8W-10-12
Engine Starter Motor Relay............ 8W-10-23
Engine Starter Motor................. 8W-10-23
Fog Lamp Relay..................... 8W-10-25
Fuel Heater Relay................... 8W-10-20
Fuel Heater........................ 8W-10-20
Fuel Injection Pump.................. 8W-10-12
Fuel Injector No. 1................ 8W-10-15, 16
Fuel Injector No. 2................ 8W-10-15, 16
Fuel Injector No. 3................ 8W-10-15, 16
Fuel Injector No. 4................ 8W-10-15, 16
Fuel Injector No. 5................ 8W-10-15, 16
Fuel Injector No. 6................ 8W-10-15, 16
Fuel Injector No. 7................ 8W-10-15, 16
Fuel Injector No. 8................ 8W-10-15, 16
Fuel Injector No. 9................... 8W-10-16
Fuel Injector No. 10.................. 8W-10-16
Fuel Pump Module................... 8W-10-11
Fuel Pump Relay................. 8W-10-11, 12
Fuse 1 (JB)........................ 8W-10-10
Fuse 1 (PDC)..................... 8W-10-10, 8
Fuse 2 (PDC).................. 8W-10-8, 10, 22
Fuse 3 (PDC).................. 8W-10-8, 11, 12
Fuse 4 (JB)........................ 8W-10-10
Fuse 4 (PDC)..................... 8W-10-13, 8
Fuse 5 (PDC)..................... 8W-10-13, 8
Fuse 6 (PDC).................. 8W-10-14, 20, 8
Fuse 7 (PDC)..................... 8W-10-20, 8
Fuse 8 (PDC)..................... 8W-10-21, 8
Fuse 9 (PDC)..................... 8W-10-23, 8
Fuse 10 (PDC).................... 8W-10-22, 8
Fuse 11 (PDC).................... 8W-10-23, 8
Fuse 12 (JB)....................... 8W-10-10
Fuse 12 (PDC).................... 8W-10-23, 8
Fuse 13 (JB)....................... 8W-10-10Component Page
Fuse 14 (JB)....................... 8W-10-10
Fuse B (PDC)..................... 8W-10-24, 9
Fuse C (PDC)..................... 8W-10-24, 9
Fuse E (PDC)..................... 8W-10-24, 9
Fuse F (PDC)..................... 8W-10-24, 9
Fuse G (PDC)..................... 8W-10-25, 9
Fuse GEN (PDC).................. 8W-10-27, 8
Fuse H (PDC).................... 8W-10-26, 9
Fuse I (PDC)..................... 8W-10-26, 9
Fuse J (PDC)..................... 8W-10-27, 9
Fuse K (PDC)..................... 8W-10-14, 9
Fuse L (PDC)..................... 8W-10-27, 9
G201............................. 8W-10-22
Generator......................... 8W-10-27
Headlamp Beam Select Switch.......... 8W-10-25
Headlamp Switch.................... 8W-10-24
High Note Horn..................... 8W-10-26
Horn Relay...................... 8W-10-26, 9
Ignition Coil 4-Pack.................. 8W-10-16
Ignition Coil 6-Pack.................. 8W-10-16
Ignition Coil........................ 8W-10-15
Ignition Switch................... 8W-10-10, 22
Joint Connector No. 1.............. 8W-10-25, 26
Joint Connector No. 2..... 8W-10-11, 12, 14, 20, 21
Joint Connector No. 5................ 8W-10-22
Joint Connector No. 6........... 8W-10-13, 22, 26
Joint Connector No. 8................ 8W-10-22
Junction Block................... 8W-10-10, 13
Left Fog Lamp...................... 8W-10-25
Left Headlamp...................... 8W-10-24
Left Outboard Headlamp........... 8W-10-24, 25
Low Note Horn..................... 8W-10-26
Oxygen Sensor 1/1 Left Bank Up . . 8W-10-17, 18, 19
Oxygen Sensor 1/1 Upstream........... 8W-10-17
Oxygen Sensor 1/2 Downstream......... 8W-10-17
Oxygen Sensor 1/2 Left Bank Down...... 8W-10-19
Oxygen Sensor 1/2 Pre-Catalyst......... 8W-10-18
Oxygen Sensor 1/3 Post-Catalyst........ 8W-10-18
Oxygen Sensor 2/1 Right Bank Up . 8W-10-17, 18, 19
Oxygen Sensor 2/2 Right Bank Down..... 8W-10-19
Oxygen Sensor Downstream Relay.... 8W-10-18, 19
Power Distribution Center . 8W-10-2, 8, 9, 10, 11, 12,
13, 14, 20, 21, 22, 23,
24, 25, 26, 27
Power Outlet....................... 8W-10-27
Powertrain Control Module . 8W-10-11, 12, 15, 16, 20
Quad High Beam Relay............... 8W-10-24
Right Fog Lamp..................... 8W-10-25
Right Headlamp..................... 8W-10-24
Right Outboard Headlamp.......... 8W-10-24, 25
Security Relay...................... 8W-10-25
Trailer Tow Connector................ 8W-10-21
Trailer Tow Relay.................... 8W-10-21
Transmission Control Relay............ 8W-10-26
Transmission Solenoid Assembly........ 8W-10-26
Turn Signal/Hazard Switch............ 8W-10-13
BR/BE8W-10 POWER DISTRIBUTION 8W - 10 - 1

8W-15 GROUND DISTRIBUTION
Component Page
A/C Compressor Clutch............... 8W-15-10, 8
A/C-Heater Control.................... 8W-15-14
A/C Heater Temperature Select........... 8W-15-12
Aftermarket Trailer Tow Connector......... 8W-15-6
Airbag Control Module.................. 8W-15-5
Ash Receiver Lamp.................... 8W-15-14
Automatic Day/Night Mirror............. 8W-15-13
Auxiliary Battery..................... 8W-15-11
Battery............................ 8W-15-11
Blend Door Actuator................... 8W-15-12
Blower Motor Relay.................... 8W-15-2
Brake Lamp Switch................... 8W-15-12
Brake Pressure Switch.................. 8W-15-3
Center High Mounted Stop Lamp No. 1..... 8W-15-17
Center High Mounted Stop Lamp No. 2..... 8W-15-17
Center Identification Lamp.............. 8W-15-18
Central Timer Module C1............... 8W-15-12
Central Timer Module C2............... 8W-15-13
Cigar Lighter........................ 8W-15-14
Clockspring.......................... 8W-15-4
Combination Flasher.................. 8W-15-13
Controller Antilock Brake................ 8W-15-5
Cummins Bus....................... 8W-15-10
Cup Holder Lamp..................... 8W-15-14
Data Link Connector.............. 8W-15-8, 10, 12
Daytime Running Lamp Module......... 8W-15-2, 3
Driver Cylinder Lock Switch............. 8W-15-16
Driver Door Ajar Switch................ 8W-15-16
Driver Door Window/Lock Switch....... 8W-15-16, 17
Driver Heated Seat Cushion............. 8W-15-15
Driver Heated Seat Switch.............. 8W-15-13
Driver Power Seat Switch............ 8W-15-15, 17
Electric Brake Provision................ 8W-15-14
Engine Control Module.................. 8W-15-9
Engine Starter Motor Relay............. 8W-15-8, 9
Fuel Heater Relay..................... 8W-15-2
Fuel Heater......................... 8W-15-10
Fuel Injection Pump.................... 8W-15-9
Fuel Pump Module..................... 8W-15-7
Fuel Pump Relay...................... 8W-15-2
Fuel Transfer Pump................... 8W-15-10
G100.......................... 8W-15-12, 5, 7
G101............................... 8W-15-5
G102............................... 8W-15-2
G105............................... 8W-15-8
G107.............................. 8W-15-10
G113 .............................. 8W-15-11
G114 .............................. 8W-15-11
G115 .............................. 8W-15-11
G116 .............................. 8W-15-11
G117 .............................. 8W-15-11
G118 .............................. 8W-15-11
G120.............................. 8W-15-11
G200......................... 8W-15-7, 12, 14
G201........................... 8W-15-12, 14
G300.............................. 8W-15-16
G301.............................. 8W-15-17
G302.............................. 8W-15-18
Glove Box Lamp And Switch............. 8W-15-14
Headlamp Beam Select Switch............ 8W-15-14
Headlamp Switch.................. 8W-15-13, 14
Heated Mirror Switch.................. 8W-15-13
High Note Horn....................... 8W-15-7
Ignition Switch....................... 8W-15-13
Instrument Cluster................. 8W-15-12, 14
Intake Air Heater Relay No. 1............. 8W-15-9Component Page
Intake Air Heater Relay No. 2............. 8W-15-9
Joint Connector No. 1................... 8W-15-2
Joint Connector No. 2................... 8W-15-9
Joint Connector No. 3................... 8W-15-7
Joint Connector No. 4................... 8W-15-3
Joint Connector No. 5.................. 8W-15-13
Joint Connector No. 6................... 8W-15-4
Joint Connector No. 8................ 8W-15-13, 5
Junction Block.................... 8W-15-12, 13
Left Back-Up Lamp.................... 8W-15-6
Left Front Door Speaker................. 8W-15-4
Left Front Fender Lamp................. 8W-15-6
Left License Lamp..................... 8W-15-6
Left Outboard Clearance Lamp........... 8W-15-18
Left Outboard Identification Lamp......... 8W-15-18
Left Park/Turn Signal Lamp.............. 8W-15-3
Left Power Mirror..................... 8W-15-16
Left Rear Fender Lamp................. 8W-15-6
Left Remote Radio Switch................ 8W-15-4
Left Tail/Stop/Turn Signal Lamp........... 8W-15-6
Left Visor/Vanity Lamp................. 8W-15-13
Low Note Horn....................... 8W-15-7
Overdrive Switch..................... 8W-15-12
Overhead Console..................... 8W-15-12
Oxygen Sensor 1/2 Left Bank Down......... 8W-15-8
Oxygen Sensor 1/2 Pre-Catalyst............ 8W-15-8
Oxygen Sensor 1/3 Post-Catalyst........... 8W-15-8
Oxygen Sensor 2/2 Right Bank Down........ 8W-15-8
Passenger Airbag On/Off Switch........... 8W-15-5
Passenger Cylinder Lock Switch.......... 8W-15-16
Passenger Door Ajar Switch.............. 8W-15-16
Passenger Door Window/Lock Switch....... 8W-15-16
Passenger Heated Seat Cushion........... 8W-15-15
Passenger Heated Seat Switch............ 8W-15-13
Passenger Power Seat Switch............ 8W-15-15
Power Distribution Center............... 8W-15-2
Power Mirror Switch................... 8W-15-16
Power Outlet........................ 8W-15-14
Powertrain Control Module............ 8W-15-8 , 10
Quad High Beam Relay................. 8W-15-2
Radio Choke Relay..................... 8W-15-4
Radio.............................. 8W-15-5
Right Back-Up Lamp................... 8W-15-6
Right Front Door Speaker................ 8W-15-4
Right Front Fender Lamp................ 8W-15-6
Right License Lamp.................... 8W-15-6
Right Outboard Clearance Lamp.......... 8W-15-18
Right Outboard Identification Lamp........ 8W-15-18
Right Park/Turn Signal Lamp............. 8W-15-7
Right Power Mirror................... 8W-15-16
Right Rear Fender Lamp................ 8W-15-6
Right Remote Radio Switch............... 8W-15-4
Right Tail/Stop/Turn Signal Lamp.......... 8W-15-6
Right Visor/Vanity Lamp................ 8W-15-13
Seat Belt Switch................... 8W-15-15, 17
Seat Heat Interface Module.............. 8W-15-15
Security Relay........................ 8W-15-2
Speed Control Servo.................... 8W-15-3
Tailgate Lamp........................ 8W-15-6
Trailer Tow Connector.................. 8W-15-6
Trailer Tow Relay...................... 8W-15-2
Underhood Lamp...................... 8W-15-3
Washer Fluid Level Switch............... 8W-15-3
Windshield Washer Pump................ 8W-15-7
Wiper Motor......................... 8W-15-7
BR/BE8W-15 GROUND DISTRIBUTION 8W - 15 - 1