I was under the impression that the running board "mustang" illumination was LED. If it's not working it may be a loose connection.
They just pop off, not a big deal at all to take a look.
link to a picture of the back side to show you how the clips work:
http://www.americanmuscle.com/illuminated-door-sill-0509.html
They just pop off, not a big deal at all to take a look.
link to a picture of the back side to show you how the clips work:
http://www.americanmuscle.com/illuminated-door-sill-0509.html