Interior Lamps; Topper Dome Lamp - GMC Defense 2006 Owner's Manual Supplement

Interior Lamps

Topper Dome Lamp

If the vehicle has this feature, a fiberglass cap, it will
include a white interior illumination lamp. The lamp
is located in the top center of the rear panel, above
the cap rear door. Switches located in the cab and
cargo area of the vehicle control the lamp. The lamp
will not function when the vehicle is in blackout
mode.
The interior 3-way switch (A) is located on the
accessory panel.
3-8
The bed mounted 3-way switch (A) is located in the
left rear of the cargo bed.