2004 GMC Canyon Owner's Manual - Page 318

A. Stoplamp/Taillamp B. Turn Signal C. Back-up Lamp Replacement Bulbs Exterior Lamp Center High-Mounted Stoplamp (CHMSL) Composite Headlamps Low-Beam High-Beam Headlamps, Sealed-Beam Park/ Front Turn Signal/Daytime Running Lamps (DRL) Parking Lamps (Inboard) Bulb Number 912 9006 9005 H6054 7157A 3157A 3057 3. Turn the bulb socket counterclockwise to remove it from the taillamp housing. 4. Pull the old bulb straight out from the socket. 5. Press a new bulb into the socket and turn the socket clockwise into the taillamp housing until it is tight. 6. Reinstall the rear lamp assembly and tighten the screws. 7. Close the tailgate. Stoplamps, Rear Turn Signals, Taillamps, and Back-Up Lamps For any bulb not listed here, contact your dealer. 5-54