Hummer H2 2004 Owner's Manual page 359

3. Turn the bulb socket counterclockwise to remove it
from the taillamp housing.
2. Remove the two
screws from the rear
lamp assembly
and remove the rear
lamp assembly.
5. Press a new bulb into the socket, insert it into
the taillamp housing and turn the socket
counterclockwise until it is locked in place.
6. Reinstall the rear lamp assembly and tighten
the screws.
4. Pull the bulb straight
out from the socket.
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