Center High-Mounted Stoplamp (Chmsl) - GMC SIERRA CK2 1999 Owner's Manual

3. Pull the bulb straight out of the socket.
4. Put a new bulb into the socket and push it in until it
is tight.
5. Put the socket back into the lens assembly and turn it
clockwise to tighten it.
6. Replace the lens and tighten the screws.
2. Turn the bulb socket
counterclockwise and
remove it from the
lens assembly.

Center High-Mounted Stoplamp (CHMSL)

2. Pull the old bulb straight out of the socket.
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1. Remove the screws and
lift off the lens.
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