The Scosche GM01B GM Wire Harness is designed to connect an aftermarket stereo receiver to compatible vehicles such as Buick, Pontiac, Chevrolet, Oldsmobile, GMC, and Cadillac. This stereo bypass wire harness from Scosche is a reliable and high-quality solution for installing a new stereo system in your vehicle. With compatibility for select vehicle models and a straightforward installation process, the Scosche GM01B GM Wire Harness is a convenient and essential accessory for car audio enthusiasts looking to upgrade their vehicle's sound system.