side markers not working

[dkim1985]

NONE of my side markers are working..
the main blinkers work..but the sides don't. any suggestions on what i should check? (besides bulbs, tried new bulbs..still didnt work)

[KiLLeR2001]

TAIL LAMP fuse in the fuse panel inside the car on the driver side.

[dkim1985]

TAIL LAMP fuse in the fuse panel inside the car on the driver side.

kinda late but..just checked the tail light fuse, works fine. any other suggestions?