It can be confusing....different years...different fuses. Also, the third lamp is on a different fuse then the tails. And, the third lamp shares the fuse with the trailer hitch. Go figure.
The SUV lamp is different then the EXT lamp and they are not interchangeable.
On the 2002...the fuse is in the underhood fuse block.
2003 and later...the fuse is in the drivers side dash fuse block. See the 'veh chmsl' fuse.
If the fuse is ok...the problem can certainly be in the lamp. New lamps are about $450 and used Ebay lamps are about $300 with no warranty.
Your lamp can be repaired with a warranty for $129 plus shipping.
See
www.ledfix.com