clock GMC SIERRA 2002 Owner's Guide

6-38 Headlamps
1. Remove the two pins on the top of the headlamp
assembly. To remove the pins, turn the outer pin
outward and pull it straight up. To remove the inner
pin, turn it inward and pull it straight up.
A. Low-Beam Headlamp
B. High
-Beam Headlamp
2. Pull the headlamp assembly out.
3. Unplug the electrical connector.
4. Turn the old bulb counterclockwise and remove it
from the headlamp lens assembly.
5. Put the new bulb into the lens assembly and turn it
clockwise until it is tight. Use care not to touch the
bulb with your fingers or hands.
6. Plug in the electrical connector.
7. Put the headlamp assembly back into the vehicle.
Re
-install and tighten the two pins.

6-39 Front Turn Signal, Sidemarker and
Daytime Running Lamps
A. Sidemarker Lamp
B. Retainer Clip
C. Front Turn Signal Lamp
D. Daytime Running Lamp (DRL)
1. Remove the headlamp assembly as mentioned
previously.2. Press the retainer clip (B), located behind the turn
signal housing, towards the outside of the vehicle.
3. Pull the turn signal housing out of the vehicle.
4. Press the locking release lever, turn the bulb socket
counterclockwise and remove it from the turn signal
housing.

6-40
5. Remove the old bulb from the bulb socket.
6. Put a new bulb into the bulb socket. Use care not to
touch the bulb with your fingers or hands.
7. Put the bulb socket back into the turn signal housing
and turn it clockwise until it locks.
8. Put the turn signal housing back into the vehicle
placing the hook and posts on the inner side into the
alignment holes first, then the outer side into the
retainer bracket until you hear a click.
9. Put the headlamp assembly back into the vehicle.Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp
1. Remove the screws and lift off the lamp assembly.

6-41
A. Cargo Lamps
B. Center High
-Mounted Stoplamps (CHMSL)
2. Remove the CHMSL bulb holder back plate from the
housing by pressing the release tabs.
3. A CHMSL bulb is removed by pulling the bulb
straight out from the holder back plate. A cargo bulb
is removed by turning the socket counterclockwise
and pulling the bulb straight out.
4. If a CHMSL bulb is replaced, put the new bulb into
the socket and press it in until it is tight. If a cargo
lamp is replaced, put a new cargo lamp bulb into the
socket and press it in until it is tight before turning
the socket clockwise.
5. Put the bulb holder back plate into the lamp housing.
6. Reinstall the lamp assembly and tighten the screws.

6-43
A. Stoplamp
B. Turn Signal Lamp
C. Back
-Up Lamp
3. Press the release tab and turn the bulb socket
counterclockwise to remove it from the taillamp
housing.
4. Pull the old bulb straight out from the socket.
5. Press a new bulb into the socket and turn the socket
clockwise into the taillamp housing until it clicks.
6. Reinstall the rear lamp assembly and tighten
the screws.
7. Close the tailgate.

6-44 Front Roof Marker Lamps
1. Remove the two screws
and lift off the lens.
The center roof marker lamp has six screws
to remove.
2. Turn the old bulb counterclockwise to remove it
from the socket.

6-45
3. Put a new bulb into the
socket and turn
clockwise until it locks
in place.
4. Reinstall the lens and tighten the screws.