Roof Marker Lamps; Pickup Box Identification Lamps (Dual Rear Wheel Pickup Models) - GMC SIERRA 1998 Manual

Roof Marker Lamps
1. Remove the screws and lift off the lens.
2. Pull the bulb straight out of the socket.
3. Put a new bulb into the socket and push it in until it
is tight.
4. Replace the lens and tighten the screws.
Pickup Box Identification Lamps
(Dual Rear Wheel Pickup Models)
1. Remove the screws and lamp assembly.
2. Unplug the lamp assembly harness.
3. Use a screwdriver to gently pry the individual lamp
from the lamp housing.
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