I've located a DIC out of a '02 Denali. Can anyone tell me the exact way to hook narness up. I have '01 Yukon XL. I've seen several threads about this but the poster usually never gets it right without going back and saying "well I forgot this or there's no white wire or some BS that always leaves you hanging." "Try this or that."Does anyone know the exact way to hook it with the harness without the hassle. 7-8 wires, I don't know, you let me know, colors , where to hook in I'm clueless. Either you know how it goes or not. Thanks.