Pontiac 1999 Firebird - Manual (Page 290)

yellow blue
6-42
Rear Lamps
To change any rear bulb, you have to remove the
entire housing.
1. Remove the trim panel from inside of the hatch for
the side that you are replacing the bulb.
2. Pull the carpet back.
3. Remove the wing nuts.
4. Pull the assembly out from the outside of the vehicle.
5. To remove a socket with a tab, press the tab and turn
the socket counterclockwise. To remove a socket
without a tab, turn the socket counterclockwise.
6. Pull out the bulb from the socket.
7. Reverse the steps with a new bulb.