Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp

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

To replace one of these bulbs:

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

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

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.

    See also:

    Interior Glass
    To clean, use a terry cloth fabric dampened with water. Wipe droplets left behind with a clean dry cloth. Commercial glass cleaners may be used, if necessary, after cleaning the interior glass wit ...

    Driving in Water
    WARNING Driving through rushing water can be dangerous. Deep water can sweep your vehicle downstream and you and your passengers could drown. If it is only shallow water, it can still wash away the g ...

    If No Steam Is Coming from the Engine Compartment
    If an engine overheat warning is displayed but no steam can be seen or heard, the problem may not be too serious. Sometimes the engine can get a little too hot when the vehicle: • Climbs a long hil ...