OK heres the story put in my turbo timer today its the apex'i and I used the wiring harness. Everything went fine and it works great, the only thing I didnt do is connect the o2 sensor that way I didnt have splice into my wiring harness. Heres the thing tho when I turn my headlights on I cant get my backlight lit up however when my headlights are off the backlight is on... I cant figure out why its too dark now but tomorrow I will check all the connections back there, but anyone have any idea why this would happen or what could cause it?

Thanks Braydon