Use the wiring harness when installing the aftermarket stereo, and connect the aftermarket stereo. The wiring harness is suitable for the wiring harness of the vehicle.Designed for compatibility. The vehicle follows the list and does not cut any wires when plugging into the factory wiring harness.Standard color-coded wires provide and simplified installation.Specifications:fitment:For Classic Cruze 2009For AVEO 2011/2014For 2015For TRAX 2014Colour:blackMaterial:ABS plasticPackage Contents:1 * cord1 * canbus protocol box1 * speaker cableNotice:This wire harness is usually used for car standard stereo,This wiring harness may not be used with vehicles equipped with factory advanced audio systems or vehicles equipped with EQ or rear tuner. Or some advanced functions are not available.Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.