GMC 2005 Canyon - Manual (Page 322)

Center High-Mounted Stoplamp
(CHMSL)
1. Remove the screws and lift off the lamp assembly.
2. Turn the bulb socket counterclockwise and remove
it from the housing.
3. Pull the bulb straight out of the socket.
4. Insert the new bulb into the socket and press it in
until tight.
5. Insert the bulb socket into the housing and turn
until tight.
6. Reinstall the lamp assembly and tighten the screws.
Taillamps, Turn Signal, Stoplamps
and Back-up Lamps
A. Stoplamp/Taillamp
B. Turn Signal
C. Back-up Lamp
1. Open the tailgate. See Tailgate on page 2-10.
5-50