GMC Defense 2006, Owner'S Manual Supplement, Page: 91 / 116

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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.
Marker Lamps (Blackout)
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.
Bulb Replacement Headlamp
To replace the blackout headlamp, do the following:
1. Remove the three
screws (A) from the
front of the headlamp.
Lamp Bulb Number
Blackout Headlamp 1073
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.
Replacement Bulbs