I have a 2010 f150 just got hid projector headlights eveything works besides my low beams both side dont work thought it was the bulbs so bought new ones but still nothing the ballast were switched high beams work just not low beams any reason why?? Thanks

 

OEM lights or aftermarket? If oem, trs harness?

 

They are aftermarket lights

 

Did you ever find a fix for this? I seem to be having the same problem