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Metra

Metra 72-4575 Speaker Harness for Select GM Vehicles 2019–2025

Metra 72-4575 Speaker Harness for Select GM Vehicles 2019–2025

Regular price $14.99 USD
Regular price Sale price $14.99 USD
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The Metra 72-4575 speaker harness is a vehicle-specific wiring adapter engineered to install aftermarket speakers into the front dash of select GM vehicles without cutting, splicing, or soldering the factory speaker wiring. It provides plug-and-play connections between new speakers and the factory harness for non-amplified audio systems. 

This pair of harnesses ensures a secure and correctly coded wire interface, preserving the factory connector layout while simplifying installation. It is sold as two speaker harnesses suitable for left and right front speaker connections on compatible GM models. 

Key Features

  • Vehicle-specific speaker wiring harness set for front dash speaker upgrades
  • Plug-and-play design eliminates cutting, splicing, or soldering
  • Color-coded wires align with standard aftermarket speaker connectors
  • Designed for non-amplified audio systems
  • Durable quick-slide connectors for reliable signal transmission
  • Includes two harnesses for left and right speaker installs
  • 1-year manufacturer warranty

Technical Specifications

Brand Metra Electronics
Model / Part 72-4575
Type Speaker wiring harness (pair)
Compatibility Select 2019–2025 GM vehicles (front dash, non-amplified) — see fit guide
Connector Type Molex factory plug to quick-slide speaker terminals
Wire Length ≈ 7" (per harness)
Application Front dash aftermarket speaker install
Warranty 1 year

Ideal Applications

  • Installing aftermarket front dash speakers in compatible GM trucks and SUVs
  • Upgrading factory audio without modifying factory wiring
  • Retaining factory connector use on non-amplified systems

What’s Included

  • Two speaker wiring harnesses

Fitment

  • Buick
    • 2021-2023 Buick Envision
  • Chevrolet
    • 2021-2025 Chevrolet Blazer
    • 2019-2025 Chevrolet Silverado 1500
    • 2022 Chevrolet Silverado 1500 LTD
    • 2020-2025 Chevrolet Silverado 2500 HD
    • 2020-2025 Chevrolet Silverado 3500 HD
    • 2021-2024 Chevrolet Tahoe
  • GMC
    • 2020-2023 GMC Acadia
    • 2019-2025 GMC Sierra 1500
    • 2022 GMC Sierra 1500 Limited
    • 2020-2025 GMC Sierra 2500 HD
    • 2020-2025 GMC Sierra 3500 HD
    • 2021-2024 GMC Yukon
    • 2021-2024 GMC Yukon XL

Why Buy From MCOR Automotive

  • Verified vehicle-specific installation data
  • Guidance on harness selection and audio system matching
  • Support for GM audio upgrades with premium integration advice
  • Experience with harness installs across multiple vehicle platforms
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