inputs.text: perfect fit features - installed 2013 tahoe stock features worked advertised using provided cabling looks seamlessly stock better features stock gm navigation systehem splice factory rear camera rearview mirror connector pins 6white 7blue use head unit rca rearview camera connection also purchase usb adapter connect new navigation usb truck usb cable 3 amazon allow usb connection console communicate new navigation unit playing videoaudio media maps updated may2012 updated microsd slot front menus simple use response inputoutputs navigationxmradiodvdaux extrehemely fast would highly recommend systehem anyone not wanted shell dealer wanting pay gm navigation systehemupdate others unit comes little instructions forum simplesoft answer installation related questions well owners manual download unit known 80xxii model xx model determines car fit software simplesofts forum link [ google search find searching \\simplesoft navigation\\tipsthis 2 adaptor allow connect navs usb cable factory gm cable console usb port connect nav unit playing music dvdusb mode cabling harness comes 2 pairs rca connections need connected together xm radio sound several rca cables look ones xm thehemif factory bluetooth would not bother bluetooth offered nav unit not bluetooth nav unit comes mic install take advantage bluetooth functionmaps updated naviextrascom 70this nav unit listed naviextras flyaudio usa 80ii would need download naviextras toolbox software recognize navs microsd card pcsame mobil navigation device microsd navigation location front panel nav unitwith mic install take advantage bluetooth functionmaps updated naviextrascom 70this nav unit listed naviextras flyaudio usa 80ii would need download naviextras toolbox software recognize navs microsd card pcsame mobil navigation device microsd navigation location front panel nav unit