• Metra 70-2054 Amp Bypass Harness for Select GM Vehicles 1997-2009
  • Metra 70-2054 Amp Bypass Harness for Select GM Vehicles 1997-2009 - product image 2
  • Metra 70-2054 Amp Bypass Harness for Select GM Vehicles 1997-2009 - product image 3
  • Metra 70-2054 Amp Bypass Harness for Select GM Vehicles 1997-2009 - product image 4
  • Metra 70-2054 Amp Bypass Harness for Select GM Vehicles 1997-2009 - product image 5
1 5

Metra

Metra 70-2054 Amp Bypass Harness for Select GM Vehicles 1997-2009

Metra 70-2054 Amp Bypass Harness for Select GM Vehicles 1997-2009

$109.99 USD
$109.99 USD
Sale Sold out
Shipping calculated at checkout.
Before you order

Buy with the right details confirmed

Review the application and system requirements

Confirm the size, power, connections, and included or separately required parts described on this page.

Metra 70-2054 is a factory amplifier bypass wiring harness for select GM vehicles from 1997-2009. It bypasses the compatible factory amplifier and provides the wiring path needed for aftermarket radio installation.

At a Glance

  • Factory amplifier bypass harness for select GM vehicles
  • Connects at the original radio connectors and factory amplifier connection
  • 204-inch harness length supports long routing to the amplifier location
  • Color-coded leads connect to the aftermarket radio
  • No cutting of factory radio connectors is required

System / Wiring Notes

  • Factory subwoofer is not retained in select vehicles
  • See manufacturer instructions for compatible RPO codes
  • Additional dash kit, antenna adapter, steering wheel control interface, or data interface may be required
  • Verify factory amplifier and RPO equipment before installation

Exact Vehicle Compatibility

Find your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering.

Make Model Years Factory Equipment / Qualifier
Buick Rainier 2004-2007 Factory amplified audio system
Cadillac CTS 2003-2007 With black color dash; Factory amplified audio system
Cadillac CTS 2003-2007 With gray color dash; Factory amplified audio system
Cadillac CTS-V 2003-2007 With black color dash; Factory amplified audio system
Cadillac CTS-V 2003-2007 With gray color dash; Factory amplified audio system
Cadillac DeVille 2000-2005 Factory amplified audio system
Cadillac Escalade 1999-2000 Factory amplified audio system
Cadillac Escalade, Escalade EXT 2002 Factory amplified audio system
Cadillac Seville 1997-2001 Factory amplified audio system
Cadillac Seville 2002-2004 Factory amplified audio system
Cadillac SRX 2004-2006 With black color dash; Factory amplified audio system
Cadillac SRX 2004-2006 With gray color dash; Factory amplified audio system
Cadillac XLR 2004-2009 Factory amplified audio system
Chevrolet Silverado 2003-2006 Factory amplified audio system
Chevrolet Silverado Classic 2007 Factory amplified audio system
Chevrolet SSR 2003-2006 Factory amplified audio system
Chevrolet Trailblazer 2002-2009 Factory amplified audio system
GMC Envoy 2002-2009 Factory amplified audio system
Isuzu Ascender 2003-2008 Factory amplified audio system
Oldsmobile Bravada 1998-2001 Factory amplified audio system
Oldsmobile Bravada 2002-2004 Factory amplified audio system

Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.

Installation Notes

  • Confirm exact vehicle fitment, factory audio system, and radio connector before installation
  • Additional parts such as a dash kit, antenna adapter, steering wheel control interface, or data interface may be required for a complete installation
  • Professional installation is recommended for best results
  • Check current manufacturer instructions and vehicle application data before installation

What’s in the Box

  • Metra 70-2054 amplifier bypass harness

Technical Specifications

  • Brand: Metra
  • Model: 70-2054
  • Product Type: Amplifier bypass harness
  • Application: Select Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac factory amplifier bypass installations
  • Compatibility Type: Vehicle-specific
  • Harness Length: 204 inches
  • Factory Feature: Factory amplifier bypass
  • RPO Note: See instructions for compatible RPO codes

Identifiers & Packaging

  • MPN: 70-2054
  • UPC: 086429117703
  • Sold As: Each
  • Included Components: Amplifier bypass harness

Why Buy From MCOR Automotive

  • Authorized retailer for the brands we sell
  • Specialists in vehicle audio integration, radio replacement parts, and installation accessories
  • 22+ years of professional automotive electronics experience
  • Expert support for compatibility verification and proper setup
View full details