coolchuck
maybe Escalade bound?
I did this to my denali. worked great but the wires were slightly different color. I must say though it is freakin awsome. here is where I mounted my input. Surprising this actually made it work also as a bluetooth if i have my phone hooked up to the input. My brother liked it too and now he wants me to do it to his denali. I will have to do a write up with pics next time.
This seems like a good option. Cant wait to see the write up.
I thought about the Isimple but that thing is expensive just to add an aux. I problaby put that money toward another headunit. but then you need harnesses and then... man it didnt used to be this hard