RS headlight conversion no high beams

[Cheeseburgers32]

I have a 2012 Camaro LT, I am doing the RS headlight conversion on. I did not buy the harness I just wired the halo to fuse 15 like everyone does and wired the and low beam to low beam ground to ground and high beam to high beam. My problem is that everything works like it should except the high beams when you go to turn them on they are on for maybe half a second then they shut off anyone have any ideas about this