The Metra 70-2054 Amplifier Bypass Harness is specifically designed to fit select 1998-2004 GM vehicles, including Cadillac, Chevrolet, GMC, Hummer, and Pontiac models. Made in the United States, this harness is compatible with vehicle models such as Silverado, Suburban, Tahoe, Trailblazer, Sierra, and Yukon XL. It provides a solution for bypassing the factory amplifier in these vehicles to ensure seamless integration of aftermarket audio systems. Additionally, it carries a California Prop 65 Warning for cancer and reproductive harm. Exact item is shown. New open box with original packaging in fair condition. Has 11 pin and 6 pin connectors. Item weight 2.1 lbs. No returns if installed or modified. Made in USA. Please review our business policies in our store for information regarding returns, shipping and warranties.