Jeep Wrangler TJ. Manual — part 316
SIDE REPEATER LAMP CONDITION CHART
CONDITION
POSSIBLE CAUSES
CORRECTION
TURN SIGNALS OPERATE
NORMALLY, ONE REPEATER
LAMP DOES NOT
ILLUMINATE
1. Inoperative, damaged or burned out
lamp.
4. Replace the lamp.
2. Poor electrical connection at lamp.
2. Check for proper wire harness
connection and circuit terminal
tension at the lamp.
3. Open or high resistance in the voltage
circuit to the inoperative lamp.
3. Repair the open or high
resistance in the repeater lamp
voltage circuit.
4. Open, high resistance in the ground
circuit to the inoperative lamp.
4. Repair the open, high resistance
in the repeater lamp ground circuit.
TAIL LAMP UNIT
DESCRIPTION
Each tail lamp assembly contains a lens, housing
and two lamps. One lamp has two filaments and is
used for tail, stop, turn signal, rear side marker and
license plate (left side only) lamp functions. The
other lamp has a single filament and is used for
back-up light illumination.
OPERATION
Each tail lamp assembly can be serviced sepa-
rately. Each lamp can also be serviced separately.
The headlamp switch controls tail lamp operation.
The multi-function switch controls turn signal opera-
tion. The back-up light switch controls back-up light
operation. The brake lamp switch controls stop lamp
operation.
REMOVAL
(1) Disconnect and isolate the negative battery
cable.
(2) From the underside of the vehicle, remove the
push-in fastener that secures the bottom rear edge of
the rear wheelhouse splash shield to the body.
(3) Pull the rear of the wheelhouse splash shield
away from the body and reach upward to disconnect
the wire harness connector from the tail lamp.
(4) Remove the screws that secure the tail lamp
lens to the tail lamp housing (Fig. 30).
(5) Remove the tail lamp lens and gasket from the
tail lamp housing.
(6) Remove the bolts that secure the tail lamp
housing to the body.
(7) Remove the tail lamp housing from the body.
INSTALLATION
(1) Position the tail lamp housing to the body.
(2) Install the bolts that secure the tail lamp hous-
ing to the body. Tighten the bolts securely.
NOTE: Install the tail lamp lens with the clear por-
tion (back-up lens) at the top of the housing. Make
sure that the gasket is correctly in place and not
twisted or torn.
(3) Install the tail lamp lens and gasket onto the
tail lamp housing.
NOTE: Do not overtighten the screws or damage to
the tail lamp lens may result.
(4) Install the screws that secure the tail lamp
lens to the tail lamp housing. Tighten the screws
securely.
(5) Connect the wire harness connector to the tail
lamp.
Fig. 30 Tail Lamp Housing
1 - BODY
2 - TAIL LAMP HOUSING
3 - TAIL LAMP LENS
TJ
LAMPS/LIGHTING - EXTERIOR
8L - 29
REPEATER LAMP (Continued)
(6) Install the push-in fastener that secures the
bottom rear edge of the rear wheelhouse splash
shield to the body.
(7) Reconnect the negative battery cable.
TAIL LAMP
REMOVAL
(1) Disconnect and isolate the negative battery
cable.
(2) Remove the screws that secure the tail lamp
lens to the tail lamp housing (Fig. 31).
(3) Remove the tail lamp lens and gasket from the
tail lamp housing.
(4) Push and rotate the lamp(s) one-third turn
counterclockwise, then pull the lamp straight out of
the socket
INSTALLATION
(1) Install the lamp(s) by pushing the lamp into
the tail lamp socket and turning it one-third clock-
wise.
NOTE: Install the tail lamp lens with the clear por-
tion (back-up lens) at the top of the housing. Make
sure that the gasket is correctly in place and not
twisted or torn.
(2) Install the tail lamp lens and gasket onto the
tail lamp housing.
NOTE: Do not overtighten the screws or damage to
the tail lamp lens may result.
(3) Install the screws that secure the tail lamp
lens to the tail lamp housing. Tighten the screws
securely.
(4) Reconnect the negative battery cable.
TURN SIGNAL CANCEL CAM
DESCRIPTION
The turn signal cancel cam consists of two lobes
that are integral to the lower surface of the clock-
spring rotor. The clockspring mechanism provides
turn signal cancellation as well as a constant electri-
cal connection between the driver airbag, steering
wheel accessories and the cross body wire harness on
the steering column. The housing of the clockspring
is secured to the steering column and remains sta-
tionary. The rotor of the clockspring, including the
turn signal cancel cam lobes rotate with the steering
wheel.
The turn signal cancel cam is integral to the clock-
spring and cannot be repaired. If faulty or damaged,
the entire clockspring assembly must be replaced.
(Refer to 8 - ELECTRICAL/RESTRAINTS/CLOCK-
SPRING - REMOVAL).
OPERATION
The turn signal cancel cam has two lobes molded
into the lower surface of the clockspring rotor. When
the turn signals are activated by moving the left
multi-function switch control stalk to a detent posi-
tion, a turn signal cancel actuator is extended from
the inside surface of the left multi-function switch
housing toward the clockspring rotor. When the
steering wheel is rotated during the turn, one of the
two turn signal cancel cam lobes will contact the
turn signal cancel actuator, but the cancel actuator
stays latched. When the steering wheel is rotated
back to center as the turn is completed, the cancel
actuator is unlatched and releases the left multi-
function switch control stalk from its detent, cancel-
ling the turn signal event.
Fig. 31 Tail Lamp Lens
8L - 30
LAMPS/LIGHTING - EXTERIOR
TJ
TAIL LAMP UNIT (Continued)
UNDERHOOD LAMP UNIT
REMOVAL
(1) Disconnect and isolate the negative battery
cable.
(2) Disconnect the wire harness connector from the
underhood lamp (Fig. 32).
(3) Remove the screw that secures the underhood
lamp to the inner hood panel.
(4) Remove the underhood lamp from the vehicle.
INSTALLATION
(1) Position the underhood lamp onto the inner
hood panel.
(2) Install the screw that secures the underhood
lamp to the inner hood panel. Tighten the screw
securely.
(3) Connect the wire harness connector to the
underhood lamp.
(4) Reconnect the negative battery cable.
UNDERHOOD LAMP
REMOVAL
(1) Disconnect and isolate the negative battery
cable.
(2) Insert a small flat blade in the access slot
between the lamp housing and lamp lens.
(3) Pry the lamp lens upward and remove the
lamp lens.
(4) Press the lamp terminal inward (Fig. 33) to
release the lamp.
INSTALLATION
(1) Engage the lamp wire loop to the terminal clos-
est to the lamp housing wire connector.
(2) Press the opposite terminal inward and engage
the remaining lamp wire loop onto the terminal.
(3) Position the lamp lens onto the lamp housing
and press the lens into place.
(4) Reconnect the negative battery cable.
Fig. 32 Underhood Lamp
1 - UNDERHOOD LAMP
2 - HOOD
Fig. 33 Underhood Lamp
1 - LAMP
2 - LAMP TERMINAL
3 - LAMP WIRE LOOP
4 - LAMP HOUSING
TJ
LAMPS/LIGHTING - EXTERIOR
8L - 31
LAMPS/LIGHTING - INTERIOR
TABLE OF CONTENTS
page
page
LAMPS/LIGHTING - INTERIOR
. . . . . . . . . . . . . . . . . . . . . 32
DOME LAMP UNIT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
. . . . . . . . . . . . . . . . . . . . . . . . . 32
DOME LAMP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . . . . . . . . . . . . . . . . . . 33
DOOR AJAR SWITCH
. . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . . . . . . . . . . . . . . . . . . . . 34
DIAGNOSIS AND TESTING - DOOR AJAR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
. . . . . . . . . . . . . . . . . . . . . . . . . 34
REAR WIPER/WASHER SWITCH
ILLUMINATION LAMP
REMOVAL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
. . . . . . . . . . . . . . . . . . . . . . . . . 35
LAMPS/LIGHTING - INTERIOR
SPECIFICATIONS
INTERIOR LAMPS
CAUTION: Do not use bulbs that have a higher can-
dle power than the bulb listed in the Bulb Applica-
tion Table. Damage to lamp housing and lens can
result.
Some components have lamps that can only be ser-
viced by an Authorized Service Center (ASC) after
the component is removed from the vehicle.
The following table lists the various lamp trade
numbers or part numbers.
LAMP
BULB
Dome (Sound Bar)
912
Under Hood
561
Underpanel Courtesy
906
Instrument Cluster
Illumination
103
Instrument Cluster
Warning
74
Automatic Transmission
Indicator
658
DOME LAMP UNIT
REMOVAL
NOTE: The dome lamp removal procedure is the
same for both the right and left side dome lamps.
(1) Disconnect the negative battery cable.
NOTE: The dome lamp lens locating tab is larger
than the lens retaining tabs.
(2) Insert a small flat blade between the dome
lamp housing and dome lamp lens. Carefully pry the
lamp lens from the lamp housing (Fig. 1).
(3) Remove the screws that secure the dome lamp
housing to the speaker housing.
(4) Remove the dome lamp housing from the
speaker housing and disconnect the wire harness
connector from the dome lamp.
INSTALLATION
NOTE: The dome lamp installation procedure is the
same for both the right and left side dome lamps.
(1) Connect the wire harness connector to the
dome lamp.
NOTE: The dome lamp housing is equipped with a
locating tab that must be inserted into the slot in
the speaker housing.
(2) Align the locating tab with the slot and posi-
tion the dome lamp housing into the speaker housing
(Fig. 2).
8L - 32
LAMPS/LIGHTING - INTERIOR
TJ
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