Roof Marker Lamps - GMC Sierra 2005 Owner's Manual

3. Press the retainer clip (B), located behind the turn
signal assembly, towards the outside of the vehicle.
4. Pull the turn signal assembly out of the vehicle.
5. Press the locking release lever, turn the bulb socket
counterclockwise and remove it from the turn signal
assembly.
6. Remove the old bulb from the bulb socket.
7. Install a new bulb into the bulb socket.
8. Insert the bulb socket into the turn signal assembly
and turn it clockwise until it locks.
9. Reinstall the turn signal assembly 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.
10. Reinstall the headlamp assembly.

Roof Marker Lamps

To replace a roof marker lamp bulb, do the following:
1. Remove the
two screws and
lift off the lens.
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