2008 LINCOLN MKZ headlamp

Function Number of bulbs Trade number
Front map lamp 2 12V6W
Rear dome/reading lamp 6 578
Glove box lamp 1 194
Visor vanity lamp - Slide on
Rail system (SOR)2 37 or 14V1CP
Puddle lamp 2 W5W
Luggage compartment lamp 1 578
All replacement bulbs are clear in color except where noted.
To replace all instrument panel lights - see your authorized dealer.
* To replace these lamps - see your authorized dealer.
Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Replacing headlamp bulbs
Highbeam bulb replacement
1. Make sure headlamp switch is in the OFF position, then open the
hood.
2. Reach over the front bolster.
3. Disengage top of flexible washer
bottle filler neck from snap strap
attachment and position it to gain
access path to the high beam bulb
(Passenger Side Only).
4. Remove the protective rubber cap
from the housing by grabbing it and
pulling rearward.
5. Remove the bulb socket by
rotating it counterclockwise, then
pulling it straight out of the lamp
assembly.
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
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6. Carefully pull bulb straight out of
socket and push in the new one.
Handle a halogen headlamp
bulb carefully and keep out
of children’s reach. Grasp the bulb
only by its plastic base and do not
touch the glass. The oil from your
hand could cause the bulb to
break the next time the
headlamps are operated.
7. For ease of bulb socket installation into the lamp assembly, hold the
bulb socket at 15 degrees clockwise from a vertical position. Using the 2
lead wires oriented exactly up to represent the vertical reference
position.
8. From the 15 degree position rotate the bulb socket clockwise to a
locked position.
9. Tuck the 2 lead wires into the lamp housing to assure that they are
not pinched when installing the protective rubber cap.
10. Install the protective rubber cap to the housing circular ring by
pushing and pressing it forward.
11. Re-apply pressure around the complete circular ring on the housing
to make sure the protective rubber cap is completely seated.
12. Reconnect washer bottle filler neck snap strap by reversing step 3
(Passenger Side Only).
13. Reinstall the AirTube to the air filter assembly. (Driver’s side only).
14. Reinstall the vertical shield to the bolster. (Driver’s side only).
15. Turn the headlamps on and make sure they work properly. If the
headlamp was correctly aligned before you changed the bulb, you should
not need to align it again.
Lowbeam bulb replacement
1. Make sure headlamp switch is in OFF position, then open the hood.
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
44

2. Remove screw from oval splash
shield access panel from the
exterior wheel well area. Lift up and
rearward to release a hidden finger
attachment at the lower portion of
the panel (Passenger side only).
3. From the exterior wheel well area
reach arm through splash shield
opening to access bulb socket
(Passenger side only).
4. Remove the protective rubber cap
from the housing by grabbing it and
pulling rearward.
5. Remove the bulb socket by
rotating it counterclockwise, then
pulling it straight out of the lamp
assembly.
6. Let go of the bulb socket and
leave it dangling near the lamp
housing (Passenger side only).
7. Reach over the front bolster in the engine area, with a tool if
necessary, bring the bulb socket upwards into an unobstructed area to
replace the bulb (Passenger side only).
8. Disconnect the electrical
connector from the bulb socket and
discard the old bulb socket.
9. Connect the new bulb socket to
the electrical connector.
Handle a halogen headlamp
bulb carefully and keep out
of children’s reach. Grasp the bulb
only by its plastic base and do not
touch the glass. The oil from your
hand could cause the bulb to
break the next time the
headlamps are operated.
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
45

10. After the new bulb is installed, carefully let the bulb socket dangle
downward near the lamp housing (Passenger side only).
11. From the exterior wheel well area reach arm through splash shield
opening to install bulb socket with new bulb (Passenger side only).
12. Install the new bulb socket into the lamp assembly by aligning the
indexing fingers, then rotate clockwise to locked position.
13. Install the protective rubber cap to the housing circular ring by
pushing and pressing it forward.
14. Re-apply pressure around the complete circular ring on the housing
to make sure the protective rubber cap is completely seated.
15. Reinstall the AirTube to the air filter assembly. (Driver’s side only).
16. Reinstall the vertical shield to the bolster. (Driver’s side only).
17. Turn the headlamps on and make sure they work properly. If the
headlamp was correctly aligned before you changed the bulb, you should
not need to align it again
Replacing HID headlamp bulbs (if equipped)
The low beam headlamps on your vehicle use a “high intensity discharge”
source. These lamps operate at a high voltage. When the bulb is burned
out, the bulb and starter capsule assembly must be replaced by your
authorized dealer.
Replacing redundant park bulbs
1. Make sure headlamp switch is in OFF position, then open the hood.
2. Remove screw from oval splash
shield access panel from the
exterior wheel well area. Lift up and
rearward to release a hidden finger
attachment at the lower portion of
the panel.
3. From the exterior wheel well area
reach arm through splash shield
opening to access bulb socket.
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
46

4. Remove the bulb socket by
rotating it counterclockwise, then
pulling it out of the lamp assembly.
5. Let go of the bulb socket and
leave it dangling near the lamp
housing.
6. Reach over the front bolster in
the engine area, with a tool if
necessary, bring the bulb socket
upwards into an unobstructed area to replace the bulb.
7. Carefully pull bulb straight out of
socket and push in the new one.
8. After the new bulb is installed,
carefully let the bulb socket dangle
downward near the lamp housing.
9. From the exterior wheel well area
reach arm through splash shield
opening to install bulb socket with
new bulb.
10. Install the new bulb socket into the lamp assembly by aligning the
indexing fingers, then rotate clockwise to locked position.
11. Reinstall splash shield with screw.
12. Reinstall Air Tube to the air filter assembly (Driver’s Side Only).
Replacing primary park/turn signal bulbs
1. Make sure headlamp switch is in the OFF position, then open the
hood.
2. Reach over the front bolster.
3. Disengage top of flexible washer
bottle filler neck from snap strap
attachment and position it to gain
access path to the high beam bulb
(Passenger Side Only).
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
47

4. Remove the bulb socket by
rotating it counterclockwise, then
pulling it straight out of the lamp
assembly.
5. Discard the old bulb and install
the new bulb into bulb socket.
6. Install the new bulb socket into
the lamp assembly by aligning the
indexing fingers, then rotate
clockwise to locked position.
7. If required, position the flexible
washer bottle filler neck back to its
original position and connect the snap strap (Passenger side only).
8. If required, reinstall the AirTube to the air filter assembly. (Driver’s
side only).
Replacing stop/tail/turn and side marker bulbs
Your vehicle is equipped with a rear lamp that has a stop/tail/turn and
side marker lamp module containing integral multiple light emitting
diodes (LED). If one or more LEDs burn out, the complete lamp module
has to be replaced. See your authorized dealer for the replacement LED
module.
Replacing rear turn signal bulbs
1. Make sure the headlamp switch is in the OFF position and open the
trunk.
2. Lift out trunk floor carpeting panel to access a Luggage Scuff Plate
(Hard Molding) shingles and a Trunk Side Panel (dark grey, soft
wheelhouse side trim panel) at the lamp area.
3. Carefully pull/push the Trunk Side Panel (dark grey, soft wheelhouse
side trim panel) outboard to expose the lamp assembly. The most
effective point to grasp the Trunk Side Panel when pulling it out from
the Luggage Scuff Plate is at it’s bottom edge where that edge meets the
exposed sheet metal of the trunk floor.
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
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Note:Do not allow the Trunk Side Panel to remain bent and untucked
from the Luggage Scuff Plate (hard molding) for a long period of time.
Doing so may result in permanent deformation.
4. Remove the bulb socket by
rotating it counterclockwise, then
pulling it out of the lamp assembly.
5. Pull the bulb from the socket and
push in the new bulb.
6. Install the bulb socket into the
lamp assembly by rotating it
clockwise.
7. Carefully push the Trunk Side
Panel (dark grey, soft wheelhouse
side trim panel) back to the shingle position to the Luggage Scuff Plate
(hard molding).
8. Install trunk floor carpeting panel.
Replacing backup lamp/redundant tail lamp bulbs
The backup lamp and redundant tail lamp bulbs are located in the trunk
lid. Follow the same steps to replace either bulb.
1. Make sure headlamp switch is in
OFF position and open trunk to
access the lamp assembly.
2. Position the decklid trim aside by
removing 3 to 4 pin-type retainers
to expose the lamp assembly.
3. Remove the bulb socket by
rotating it counterclockwise, then
pulling it out of the lamp assembly.
4. Pull the bulb from the socket and
push in the new bulb.
5. Install the bulb socket into the
lamp assembly by rotating it
clockwise.
6. Carefully reposition the trim back
to its original position and secure
the retainers.
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
49

Replacing high-mount brake lamp bulb
1. Make sure the ignition control is
in the LOCK (OFF) position.
2. Open the trunk and reach
underneath package tray to locate
lamp assembly.
3. Remove the bulb socket by
rotating it counterclockwise, then
pulling it out of the lamp assembly.
4. Pull the bulb straight from the
socket and push in the new bulb.
5. Install the bulb socket into the lamp assembly by rotating it clockwise.
Replacing license plate lamp bulbs
1. Make sure the headlamp switch is
in the OFF position.
2. Remove the two screws from the
license plate lamp assembly.
3. Remove bulb socket by turning
counterclockwise.
4. Carefully pull the bulb out from
the socket.
Install new bulb(s) in reverse order.
Replacing fog lamp bulbs
1. Make sure the fog lamp switch is
in the OFF position.
2. From underneath the vehicle,
partially remove the tire splash
shield by removing four drive
screws.
After removing to allow free access
to the front fog lamp bulb and
electrical wire harness, the splash shield flap should be able to be
repositioned.
2008 MKZ(378)
Owners Guide (post-2002-fmt)
USA(fus)
Lights
50