LAMPS
TABLE OF CONTENTS
page page
LAMPS/LIGHTING - EXTERIOR............... 1LAMPS/LIGHTING - INTERIOR............... 28
LAMPS / LIGHTING - EXTERIOR
TABLE OF CONTENTS
page page
LAMPS/LIGHTING - EXTERIOR
DESCRIPTION..........................2
OPERATION............................3
SPECIFICATIONS - LAMPS/LIGHTING -
EXTERIOR...........................5
BACKUP LAMP BULB
REMOVAL.............................5
INSTALLATION..........................6
BRAKE LAMP SWITCH
REMOVAL.............................6
INSTALLATION..........................7
ADJUSTMENTS
ADJUSTMENT.........................7
BRAKE/PARK LAMP BULB
REMOVAL.............................7
INSTALLATION..........................8
CENTER HIGH MOUNTED STOP LAMP BULB
REMOVAL.............................8
INSTALLATION..........................8
CENTER HIGH MOUNTED STOP LAMP UN
REMOVAL.............................8
INSTALLATION..........................9
CLEARANCE LAMP BULB
REMOVAL.............................9
INSTALLATION..........................9
CLEARANCE LAMP UNIT
REMOVAL.............................9
INSTALLATION..........................9
DAYTIME RUNNING LAMP RELAY
REMOVAL.............................10
INSTALLATION.........................10
FOG LAMP BULB
REMOVAL.............................10
INSTALLATION.........................11
FOG LAMP RELAY
REMOVAL.............................11
INSTALLATION.........................12
FOG LAMP SWITCH
REMOVAL.............................12
INSTALLATION.........................13FRONT LAMP UNIT
REMOVAL.............................13
INSTALLATION.........................13
ADJUSTMENTS
ADJUSTMENT - FRONT LAMP UNIT.......14
FRONT POSITION LAMP BULB
REMOVAL.............................14
INSTALLATION.........................15
FRONT TURN/PARK/SIDE MARKER LAMP
BULB
REMOVAL.............................15
INSTALLATION.........................16
HEADLAMP LEVELING MOTOR
REMOVAL.............................16
INSTALLATION.........................17
HEADLAMP LEVELING SWITCH
REMOVAL.............................17
INSTALLATION.........................18
HIGH BEAM HEADLAMP BULB
REMOVAL.............................18
INSTALLATION.........................19
LICENSE PLATE LAMP BULB
REMOVAL.............................19
INSTALLATION.........................19
LICENSE PLATE LAMP UNIT
REMOVAL.............................19
INSTALLATION.........................19
LOW BEAM HEADLAMP BULB
REMOVAL.............................20
INSTALLATION.........................20
MULTI-FUNCTION SWITCH
REMOVAL.............................21
INSTALLATION.........................21
PARK BRAKE SWITCH
REMOVAL.............................21
INSTALLATION.........................22
REAR SIDE MARKER LAMP BULB
REMOVAL.............................22
INSTALLATION.........................22
VALAMPS 8L - 1
REAR TURN LAMP BULB
REMOVAL.............................23
INSTALLATION.........................23
REPEATER LAMP BULB
REMOVAL.............................23
INSTALLATION.........................24
REPEATER LAMP UNIT
REMOVAL.............................24INSTALLATION.........................25
TAIL LAMP UNIT
REMOVAL.............................25
INSTALLATION.........................26
TURN SIGNAL RELAY
REMOVAL.............................26
INSTALLATION.........................26
LAMPS / LIGHTING - EXTE-
RIOR
DESCRIPTION
The exterior lighting system for this model
includes the following exterior lamps:
²Backup Lamps- The backup (or reverse) lamps
are integral to the tail lamp units mounted to the
back of the quarter panel on each side of the tailgate
at the rear of the vehicle.
²Brake Lamps- The brake (or stop) lamps
include a bulb and reflector that are integral to the
tail lamp units mounted to the back of the quarter
panel on each side of the tailgate opening, and the
Center High Mounted Stop Lamp (CHMSL) that is
centered on the rear edge of the roof panel above the
tailgate opening.
²Daytime Running Lamps- Vehicles manufac-
tured for sale in Canada have a Daytime Running
Lamps (DRL) relay that illuminates the low beam
headlamp bulbs whenever the engine is running.
²Fog Lamps- Fog lamp bulbs and reflectors are
included in both front lamp units of vehicles
equipped with this option.
²Hazard Warning Lamps- The hazard warning
lamps include all of the right and left turn signal and
repeater lamps.
²Headlamps- Separate low beam and high
beam headlamp bulbs are installed in the front lamp
unit on each side of the front grille opening. A head-
lamp leveling actuator motor is also integral to each
front lamp unit.
²Park Lamps- The park lamps include the front
park/side marker lamps and front position lamps
that are integral to the front lamp units mounted on
either side of the front grille opening, as well as the
rear park lamps and rear side marker lamps that are
integral to the tail lamp units mounted to the back of
the quarter panel on each side of the tailgate open-
ing. Included in the park lamps circuit are two rear
license plate lamp units mounted on the left rear
tailgate door. The park lamps may also include
optional clearance lamps, which are located on each
side of a vehicle that is so equipped.
²Turn Signal Lamps- The turn signal lamps
include the front turn lamps that are integral to the
front lamp units, the rear turn lamps that are inte-
gral to the tail lamp units, and a repeater lampmounted to each front fender just above the front
wheel opening.
Other components of the exterior lighting system
for this model include:
²Brake Lamp Switch- A plunger-type brake
lamp switch is located on the steering column sup-
port bracket under the instrument panel and actu-
ated by the brake pedal arm.
²Daytime Running Lamp Relays- Vehicles
manufactured for sale in Canada have two Daytime
Running Lamps (DRL) relays. Dedicated right and
left side relays illuminate the low beam headlamp
bulb installed in each front lamp unit whenever the
engine is running. These relays are located in dedi-
cated vehicle wire harness connectors within the
driver side front seat riser.
²Fog Lamp Relay- Vehicles equipped with the
optional fog lamps have a fog lamp relay located in a
dedicated vehicle wire harness connector within the
driver side front seat riser.
²Fog Lamp Switch- A fog lamp switch is
mounted in the instrument cluster bezel, below the
cluster and outboard of the steering column on vehi-
cles equipped with this option.
²Headlamp Leveling Motor- A headlamp lev-
eling actuator motor is located on the back of each
headlamp housing and adjusts both the low beam
headlamp, high beam headlamp, and fog lamp (if
equipped) reflector frames in unison.
²Headlamp Leveling Switch- A thumbwheel
actuated headlamp leveling switch is mounted in the
instrument cluster bezel, below the cluster and out-
board of the steering column.
²Multi-Function Switch- The multi-function
switch is located on the top of the steering column,
just below the steering wheel. The multi-function
switch is connected directly to the fuse block located
below the steering column through an integral inter-
face connector. Only the left (lighting), right (wiper)
control stalks and the hazard warning switch button
for the multi-function switch are visible, the remain-
der of the switch is concealed beneath the steering
column shrouds. The multi-function switch includes a
left (lighting) control stalk and a right (wiper) control
stalk. The left control stalk is dedicated to providing
almost all of the driver controls for the exterior light-
ing system.
²Trailer Tow Connector- Vehicles equipped
with a factory-approved, field-installed trailer towing
8L - 2 LAMPS/LIGHTING - EXTERIORVA
seat riser, a fog lamp switch installed in the cluster
bezel on the instrument panel outboard of the steer-
ing column, and a fog lamp bulb installed in each of
the two front lamp units. The front fog lamps have a
path to ground at all times through their connection
to the vehicle wire harness. The headlamp switch cir-
cuitry of the left (lighting) control stalk of the multi-
function switch controls front fog lamp operation by
providing battery current to the front fog lamp relay
only when the low beam headlamps are selected. The
fog lamp switch controls front fog lamp operation by
energizing or de-energizing the front fog lamp relay
control coil.
HAZARD WARNING LAMPS
With the hazard switch in the On position, the
hazard switch button illuminates and the right and
left turn signal indicators as well as the right and
left turn signal lamps begin to flash on and off. When
the hazard warning system is activated, the hazard
switch circuitry within the multi-function switch and
the wipers, turn signals and engine start control
module electronic circuitry within the fuse block will
repeatedly energize and de-energize the turn signal
relay located in the fuse block. The turn signal relay
switches battery current from a fused B(+) fuse in
the fuse block to the turn signal indicators and the
turn signal lamps. The flashing of the hazard switch
button illumination lamp is also controlled by the
output from the turn signal relay.
HEADLAMPS
The headlamp system includes the exterior lighting
switches integral to the left (lighting) control stalk of
the multi-function switch as well as the low and high
beam bulbs installed in the right and left front lamp
units (Fig. 1). The headlamp bulbs have a path to
ground at all times through the vehicle wire harness.
The exterior lighting switches control headlamp oper-
ation by providing battery current to the selected low
or high beam bulbs. Each front lamp unit includes
two integral adjustment screws to be used for static
horizontal and vertical aiming of the headlamp beam
reflectors.HEADLAMP LEVELING
The headlamp leveling system includes a leveling
actuator motor integral to each front lamp unit, and
a rotary thumbwheel actuated headlamp leveling
switch in the cluster bezel on the instrument panel
outboard of the steering column. The headlamp lev-
eling system allows the headlamp beam reflectors to
be adjusted to one of four vertical positions to com-
pensate for changes in inclination caused by the load-
ing of the vehicle suspension. The actuator motors
are mechanically connected through an integral
pushrod to an adjustable headlamp reflector. The
headlamp leveling switch is a resistor multiplexed
unit that provides one of four voltage outputs to the
headlamp leveling motors. The headlamp leveling
motors will move the headlamps to the selected posi-
tion based upon the voltage input received from the
switch. The headlamp leveling motors and switch
have a path to ground at all times. The headlamp
leveling components operate on battery current
received through the park lamps circuit so that the
system will only operate when the exterior lighting is
turned on.
PARK LAMPS
The park lamps system includes the exterior light-
ing switches integral to the left (lighting) control
stalk of the multi-function switch (Fig. 1), the front
park/side marker lamps, the front position lamps, the
rear park lamps, the rear side marker lamps, the
optional clearance lamps, and the license plate
lamps. Each of these lamps are provided with a path
to ground at all times through the vehicle wire har-
ness. The exterior lighting switches control the park
lamp operation by providing battery current through
the park lamps circuit to the appropriate lamp bulbs.
Fig. 1 Lighting Switch
1 - LEFT TURN SIGNAL
2 - RIGHT TURN SIGNAL
3 -EXTERIOR LIGHTING
4 - BEAM SELECT (DIMMER)
5 - OPTICAL HORN
8L - 4 LAMPS/LIGHTING - EXTERIORVA
TURN SIGNAL LAMPS
When the left (lighting) control stalk of the multi-
function switch is activated (Fig. 1), the turn signal
system illuminates the selected right or left turn sig-
nal indicator and the turn signal lamps begin to
flash. The turn signal lamps include a bulb integral
to each front lamp unit and each tail lamp unit, as
well as a repeater lamp bulb located on each front
fender above the front wheels. When the turn signal
system is activated, the turn signal switch circuitry
within the multi-function switch and the electronic
circuitry of the wipers, turn signals and engine start
control module within the fuse block will repeatedly
energize and de-energize the turn signal relay
located in the fuse block. The turn signal relay
switches battery current from a fused ignition switch
output fuse in the fuse block to the appropriate turn
signal indicator and turn signal lamps.
The ElectroMechanical Instrument Cluster (EMIC)
contactless relay will generate repetitive, audible
turn signal ªclickº sounds to emulate the sounds of a
conventional electro-mechanical turn signal flasher
at one of two rates to coincide with the flashing of
the turn signals. The slow rate emulates normal turn
signal operation, while the fast rate emulates ªbulb
outº turn signal operation.
SPECIFICATIONS - LAMPS / LIGHTING - EXTE-
RIOR
BULB SPECIFICATIONS
LAMP BULB
Backup P21W - 12V 21W
Brake & Rear Park P21/5W - 12V 21/5W
Center High Mounted
StopP21W - 12V 21W
Clearance W3W - 12V 3W
Front Fog H1 - 12V 55W
Front Position W5W - 12V 5W
Front Turn, Park & Side
Marker3457 NA - 12V 28/7.5W
Amber Glass
Low Beam Headlamp H7 - 12V 55W
High Beam Headlamp H1 - 12V 55W
License Plate C5W - 12V 5W
Rear Side Marker R5W - 12V 5W
Rear Turn P21W - 12V 21W
Side Repeater W5W - 12V 3W
BACKUP LAMP BULB
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) If the vehicle is so equipped, remove the trim
from the inside of the right or left rear corner pillar.
(3) From inside the vehicle, use hand pressure to
push the two latch tabs toward the center of the tail
lamp unit socket plate and pull the socket plate
straight out from the inner rear pillar (Fig. 2).
(4) Pull the socket plate away from the inner rear
pillar far enough to access the backup lamp bulb
(Fig. 3).
Fig. 2 Tail Lamp Socket Plate Remove/Install
1 - SOCKET PLATE
2 - INNER REAR PILLAR
3 - LATCH TAB (2)
VALAMPS/LIGHTING - EXTERIOR 8L - 5
(5) Remove the backup lamp bulb from the tail
lamp socket plate.
INSTALLATION
(1) Install the backup lamp bulb into the tail lamp
socket plate (Fig. 3).
(2) Align the socket plate with the mounting hole
in the inner rear pillar.
(3) Using hand pressure, push the socket plate
gently and evenly into the inner rear pillar mounting
hole until both latch tabs are fully engaged (Fig. 2).
(4) If the vehicle is so equipped, reinstall the trim
onto the inside of the right or left rear corner pillar.
(5) Reconnect the battery negative cable.
BRAKE LAMP SWITCH
REMOVAL
WARNING: To avoid personal injury or death, on
vehicles equipped with airbags, disable the supple-
mental restraint system before attempting any
steering wheel, steering column, airbag, seat belt
tensioner, or instrument panel component diagno-
sis or service. Disconnect and isolate the battery
negative (ground) cable, then wait two minutes for
the system capacitor to discharge before perform-
ing further diagnosis or service. This is the only
sure way to disable the supplemental restraint sys-
tem. Failure to take the proper precautions could
result in accidental airbag deployment.
(1) Disconnect and isolate the battery negative
cable.
(2) Locate the brake lamp switch on the pedal
bracket underneath the instrument panel (Fig. 4).(3) Depress the locking tab on the brake lamp
switch body behind the pedal bracket and rotate the
switch counterclockwise about 30 degrees (Fig. 5).
(4) Pull the switch forward in the vehicle far
enough to disengage the switch plunger from the
mounting hole in the pedal bracket.
(5) Disconnect the vehicle wire harness from the
brake lamp switch connector receptacle.
(6) Remove the brake lamp switch from the vehi-
cle.
Fig. 3 Tail Lamp Bulb Remove/Install
1 - BRAKE/PARK LAMP BULB
2 - BACKUP LAMP BULB
3 - TURN SIGNAL LAMP BULB
4 - SIDE MARKER LAMP BULB
5 - TAIL LAMP SOCKET PLATE
Fig. 4 Brake Lamp Switch Location
1 - PEDAL BRACKET
2 - BRAKE LAMP SWITCH
3 - BRAKE PEDAL
Fig. 5 Brake Lamp Switch Remove/Install
1 - PEDAL BRACKET
2 - PLUNGER
3 - BRAKE LAMP SWITCH
4 - CONNECTOR RECEPTACLE
5 - LOCKING TAB
8L - 6 LAMPS/LIGHTING - EXTERIORVA
(4) Pull the socket plate away from the inner rear
pillar far enough to access the brake/park lamp bulb
(Fig. 7).
(5) Remove the brake/park lamp bulb from the tail
lamp socket plate.
INSTALLATION
(1) Install the brake/park lamp bulb into the tail
lamp socket plate (Fig. 7).
(2) Align the socket plate with the mounting hole
in the inner rear pillar.(3) Using hand pressure, push the socket plate
gently and evenly into the inner rear pillar mounting
hole until both latch tabs are fully engaged (Fig. 6).
(4) If the vehicle is so equipped, reinstall the trim
onto the inside of the right or left rear corner pillar.
(5) Reconnect the battery negative cable.
CENTER HIGH MOUNTED
STOP LAMP BULB
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the two screws that secure the
CHMSL lamp to the vehicle, then remove the lens
from the lamp housing (Fig. 8).
(3) Push straight in on the CHMSL bulb and
rotate it counterclockwise about 30 degrees to remove
it from the lamp socket.
INSTALLATION
(1) Install the CHMSL bulb into the lamp socket
(Fig. 8).
(2) Position the lens onto the CHMSL lamp hous-
ing
(3) Install and tighten the two screws that secure
the CHMSL lamp to the vehicle.
(4) Reconnect the battery negative cable.
CENTER HIGH MOUNTED
STOP LAMP UN
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Remove the two screws that secure the
CHMSL unit to the vehicle (Fig. 9).
Fig. 6 Tail Lamp Socket Plate Remove/Install
1 - SOCKET PLATE
2 - INNER REAR PILLAR
3 - LATCH TAB (2)
Fig. 7 Tail Lamp Bulb Remove/Install
1 - BRAKE/PARK LAMP BULB
2 - BACKUP LAMP BULB
3 - TURN SIGNAL LAMP BULB
4 - SIDE MARKER LAMP BULB
5 - TAIL LAMP SOCKET PLATE
Fig. 8 CHMSL Bulb Remove/Install
1 - LAMP HOUSING
2 - BULB
8L - 8 LAMPS/LIGHTING - EXTERIORVA
(3) Disconnect the front lamp unit wire harness
connector from the fog lamp bulb base (Fig. 14).
(4) Disengage the two fog lamp bulb retainers by
pushing them slightly toward the front lamp unit
housing, outward to each side of the bulb base, then
pivot the retainers off of the bulb base.
(5) Remove the fog lamp bulb from the integral
bulb holder on the front lamp unit reflector.
INSTALLATION
(1) Position the fog lamp bulb into the integral
bulb holder on the front lamp unit reflector. Be cer-tain that the lugs on the bulb base are engaged in
the recesses of the bulb holder (Fig. 14).
(2) Engage the two fog lamp bulb retainers by piv-
oting them over the bulb base, pressing them slightly
toward the front lamp unit housing, then inward on
each side of the bulb base.
(3) Reconnect the front lamp unit wire harness
connector to the fog lamp bulb base.
(4) Position the front lamp unit rear cover onto the
lamp housing and engage the retainers over each
side of the cover to secure it (Fig. 13).
(5) Reconnect the battery negative cable.
FOG LAMP RELAY
REMOVAL
Fog lamps are optional equipment on this model.
On vehicles equipped with fog lamps, a fog lamp
relay is located in a dedicated connector of the vehi-
cle wire harness. This connector is snapped into an
opening in a stamped sheet metal bracket which is
secured with screws within the driver side front seat
riser just beneath the seat riser cover panel.
WARNING: To avoid personal injury or death, on
vehicles equipped with airbags, disable the supple-
mental restraint system before attempting any
steering wheel, steering column, airbag, seat belt
tensioner, or instrument panel component diagno-
sis or service. Disconnect and isolate the battery
negative (ground) cable, then wait two minutes for
the system capacitor to discharge before perform-
ing further diagnosis or service. This is the only
sure way to disable the supplemental restraint sys-
tem. Failure to take the proper precautions could
result in accidental airbag deployment.
(1) Disconnect and isolate the battery negative
cable.
(2) Move the driver side front seat to its most for-
ward position for easiest access to the seat riser
cover panel (Fig. 15).
Fig. 13 Front Lamp Unit Bulbs Remove/Install
1 - COVER RETAINER (2)
2 - BULB RETAINER (3)
3 - FOG LAMP BULB (OPTIONAL)
4 - COVER
5 - LOW BEAM BULB
6 - POSITION BULB
7 - HIGH BEAM BULB
8 - TURN/PARK/SIDE MARKER BULB
9 - FRONT LAMP UNIT
Fig. 14 Fog Lamp Bulb Remove/Install
1 - LAMP HOUSING
2 - BULB RETAINER
3 - CONNECTOR
4 - BULB BASE
VALAMPS/LIGHTING - EXTERIOR 8L - 11
(3) Pull the position lamp bulb holder straight out
to remove it from the front lamp unit reflector (Fig.
23).
(4) Remove the position lamp bulb from the bulb
holder.
INSTALLATION
(1) Install the position lamp bulb into the bulb
holder (Fig. 23).
(2) Push the position lamp bulb holder straight
into the mounting hole in the front lamp unit reflec-
tor.(3) Position the front lamp unit rear cover onto the
lamp housing and engage the retainers over each
side of the cover to secure it (Fig. 22).
(4) Reconnect the battery negative cable.
FRONT TURN / PARK / SIDE
MARKER LAMP BULB
REMOVAL
(1) Disconnect and isolate the battery negative
cable.
(2) Locate the turn/park/side marker bulb holder
on the rear outboard side of the front lamp unit
housing (Fig. 24).
(3) Rotate the bulb holder counterclockwise about
30 degrees and pull it straight out from the lamp
housing (Fig. 25).
Fig. 22 Front Lamp Unit Bulbs Remove/Install
1 - COVER RETAINER (2)
2 - BULB RETAINER (3)
3 - FOG LAMP BULB (OPTIONAL)
4 - COVER
5 - LOW BEAM BULB
6 - POSITION BULB
7 - HIGH BEAM BULB
8 - TURN/PARK/SIDE MARKER BULB
9 - FRONT LAMP UNIT
Fig. 23 Position Lamp Bulb Remove/Install
1 - BULB HOLDER
2 - LAMP REFLECTOR
Fig. 24 Front Lamp Unit Bulbs Remove/Install
1 - COVER RETAINER (2)
2 - BULB RETAINER (3)
3 - FOG LAMP BULB (OPTIONAL)
4 - COVER
5 - LOW BEAM BULB
6 - POSITION BULB
7 - HIGH BEAM BULB
8 - TURN/PARK/SIDE MARKER BULB
9 - FRONT LAMP UNIT
VALAMPS/LIGHTING - EXTERIOR 8L - 15