GMC Sierra 2000 Owner's Manual page 319

5. Put in a new bulb and push it straight in until it
is tight.
6. Reinstall the bulb retainer.
7. Reinstall the rear lamp assembly and tighten
the screws.
8. Close the tailgate.
4. Pull the old bulb straight
out of the socket.
Taillamps (Chassis Cab Models)
1. Using your hands, peel the rubber seal away from
the lens.
3. Slide the socket out of the lamp assembly.
2. Lift the lens off the
lamp assembly.
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