Marker Lamps (Blackout); Replacement Bulbs - GMC Defense 2006 Owner's Manual Supplement

Bulb Replacement Headlamp
To replace the blackout headlamp, do the following:
1. Remove the three
screws (A) from the
front of the headlamp.
2. Remove the lens cover from the lamp.
3. Press in on the bulb and turn counterclockwise.
4. Pull the old bulb straight out of the socket.
5. Put the new bulb into the socket and press in and
turn clockwise.
6. Install the rubber lens gasket into the lamp
groove.
7. Reinstall the lens and tighten the screws.
5-48

Marker Lamps (Blackout)

Note: The bulbs in the blackout tail/stoplamp and front
marker lamps are light emitting diodes (LED) instead of
incandescent bulbs. They are not replaceable and are
serviced as an assembly. For bulb replacement refer to
the 2006 LSSV Military Trucks Service Manual
Supplement.

Replacement Bulbs

Lamp
Blackout Headlamp
Note: Bulbs not listed here refer to the 2006 Vehicle
Owner Manual.
Note: The following bulbs are not replaceable and are
serviced as an assembly:
LSSV Vehicle
•
Fiberglass Cap CHMSL Lamp
•
License Plate Lamp
For lamp replacement refer to the 2006 Light Service
Support Vehicle (LSSV) Trucks Service Manual.
Bulb Number
1073