mk3 supra 7mgte 1990 head lights not turning on

[2fast4u]

hello ive got a 1990 toyota supra inline 6 turbo. The lights for the headlight arnt coming on. I just bought hid lights and they worked for 2 months and now all of a sudden when i was pulling a wire a spark happend a light little spark from negative hitting positive wire and they dont work anymore. I checked the fuses behind the battery and the one next to the drivers foot rest and they wernt blown at all. dont know what to do. Is there somthing else that i should do i am extremly frusterated please help me asap thanks guys and gals