h.i.d for denali

my friend bought a h.i.d kit for his denali and we installed it followed the instructions needed and everything is set but the light wont turn on. any ideas why?

check your power and you may have to step up the surrent using a relay. You can wire a relay like this pin 85 ground pin 86 possitive wire from headlight feed pin 30 output to hid kit pin 87a not used pin 87 constant fused off battery. try that but test to make sure the fuse has not blown check ground as well ground on harness may not be strong enough. and if all is good then maybe you have either a bad bulb or a bad balas. also some cars require ignition to be on turn ign on and check again. just something stupid i thought i would throw it there Jon

Installer/Help Technician

---coral springs florida---

mecp certification is not always needed. I have it and it has not helped me out at all. my experience out shines it.

Polarity? HID bulbs got to have it proper. There are only 2 wires goin to the bulb (after the balast) ....switch'em