What are you trying to do???Do you want to mount rack lights on top of the windshield? If so you will have to mount the rack mounts to something. Mine are mounted on the sides of the windshield.
2013 WRANGLER SPORT 2 DR., V-6 ,AUTO,HARD TOP
)1994 Jeep Wrangler 2.5L, Bestop top
/w steel half door and slider windows
5 speed, 2.5" lift, 31" tires,rack lights