The headlight fuse for the 2004 - 2007 Nissan Armada is located in the fuse box under the hood, marked "Head Lamp".
Fuse Box Location
The fuse box for the 2004 - 2007 Nissan Armada is located in the engine bay, next to the battery. The fuse box is covered by a plastic cover.
Fuse Puller
A fuse puller is located on the fuse box cover. Use the fuse puller to remove the fuse.
Fuse Replacement
If a fuse is blown, replace it with a new fuse of the same amperage. If you don't know the amperage of the blown fuse, check the owner's manual.