Axxess AX-ADGM01 ADBOX Aftermarket Stereo Installation Harness for 2006-Up GM LAN29 Vehicles Axxess ADBOX Aftermarket Stereo Installation Harness for select 2006-UP GM LAN29 Vehicles Harness is used when installing an aftermarket stereo Connects the aftermarket stereo harness to the vehicles factory harness Plugs into the factory harness without cutting any wires Made from OEM quality materials