If they are from BlingLights here is the website:
BLING LIGHTS
I have the same problem, my halo's worked for about a month then quit. The fog's still work great though. I never really used the halo part, so I haven't tried to figure out what is wrong.
Good luck, and if you figure it out, let us know.
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White 06 SR5 DC - Westin Nerf bars
Blinglights bedlights - Pop A Lock tailgate lock
TRD aftermarket LSD - Custom Back Up Lights
ScanGaugeII+X - Factory Fogs added
Hellwig 7700 Swaybar
Firestone Sport Rite Air Springs w/onboard air