4g4db16

i just installed the the afc neo in my car, my question is were or what do i hook up the orange wire to, it says its for the illumination or audio, everything else works fine, please no smart remarks about the neo, my choice to buy it , ive check everywhere on this site and no help, just alot of smart remarks about using the neo , so if you dont have any good info dont reply at all, thanks alot