connect the blue plug that comes out of the ballast to the headlight plug. MAKE SURE the plugs on the back of the hid bulbs are "clipped in" and locked tight together. before mounting the ballasts...check to se if they work. if they dont switch ballasts and see if the other one works. also/....check the meezly 7.5amp fuses....if they are shot replace with something like a 10-15. I blew my 10amps..and have 15's in them right now..with no problem.
if they still dont work....your SOL.