GMC Sierra Denali Owner Manual (GMNA Localizing-U.S/Canada/Mexico-
7299750) - 2015 - crc - 11/8/13
To replace one of these bulbs:
1. Open the tailgate.
2. Remove the two rear lamp
assembly screws and pull
rearward until disengaging the
two outer pins on the taillamp
assembly from the vehicle.
3. Turn the bulb socket
counterclockwise to remove it
from the taillamp assembly.
4. Pull the bulb straight out from
the socket.
Center High-Mounted
Stoplamp (CHMSL) and
Cargo Lamp
1. Cargo Lamp Bulbs
2. Center High-Mounted Stoplamp
(CHMSL) Bulb
Black plate (37,1)
Vehicle Care
To replace one of these bulbs:
1. Remove the two screws and lift
off the lamp assembly.
2. Turn the bulb socket
counterclockwise and pull it
straight out.
3. Pull the bulb straight out from
the socket.
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