GMC Full Audio Packages

Installation Instructions

Below, you'll find step-by-step instructions for installing Metra Electronics GMC full-car audio packages. Whether you're a seasoned installer or a DIY enthusiast, our guides are designed to ensure a smooth and successful installation process.

Sierra

The following section includes full audio package installation instructions for the GMC Sierra for the years 2019 through 2024.

→ BOSE Amplified Systems

Uses an external or built-in amplifier to boost audio signals, delivering louder and clearer sound with enhanced bass and greater customization options.

GMC Sierra Amplified Gallery

2019-2021 Sierra 1500 Crew Cab 2020-2023 Sierra 2500HD/3500HD Crew Cab

2019-2021 Sierra 1500 Crew Cab 2020-2023 Sierra 2500HD/3500HD Crew Cab

2022-UP Sierra 1500 Crew Cab 2024-UP Sierra 2500HD/3500HD Crew Cab

2022-UP Sierra 1500 Crew Cab 2024-UP Sierra 2500HD/3500HD Crew Cab

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• GMC Full Audio Packages
• Installation Instructions
• Sierra
• → BOSE Amplified Systems