Chevrolet Tahoe Owner's Manual page 378

A. Stoplamp/Taillamp
B. Back-up Lamp
C. Taillamp/Turn Signal Lamp
D. Side Marker Lamp
To replace one of these bulbs:
1. Open the liftgate. See
.
2. Remove the two screws from the
taillamp assembly.
3. Pull the taillamp assembly
rearward disengaging the two
outer pins on the taillamp
assembly from the vehicle.
4. Turn the bulb socket
counterclockwise to remove it
from the taillamp assembly.
5. Pull the old bulb straight out
from the bulb socket.
6. Press a new bulb into the bulb
socket and install the socket into
the taillamp assembly by turning
it clockwise.
7. Reinstall the taillamp assembly.
When reinstalling, make sure to
line up the pins on the taillamp
assembly with the vehicle. If this
is not done, the taillamp
assembly will not be able to be
installed correctly.