GMC Sierra Owners Manual

Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp
Vehicle Care / Bulb Replacement / Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp

To replace one of these bulbs:

GMS Sierra: Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp. 1. Remove the two screws and lift off the lamp assembly.

1. Remove the two screws and lift off the lamp assembly.

GMS Sierra: Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp. B. Center High-Mounted Stoplamp (CHMSL) Bulb A. Cargo Lamp
B. Center High-Mounted Stoplamp (CHMSL) Bulb

2. On the reverse side of the lamp assembly, remove the bulb socket by turning it one quarter turn counterclockwise and pull it straight out.

3. Remove the bulb by pulling it straight out of the socket.

4. Install the bulb by pushing the bulb straight into the socket.

5. Install the bulb socket into the lamp asembly by turning it one quarter turn clockwise.

6. Reinstall the lamp assembly and tighten the screws.


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