• Metra 70-1859 Radio Wiring Harness for Select GM Factory Amp Vehicles 1995-2003
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  • Metra 70-1859 Radio Wiring Harness for Select GM Factory Amp Vehicles 1995-2003 - product image 5
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Metra

Metra 70-1859 Radio Wiring Harness for Select GM Factory Amp Vehicles 1995-2003

Metra 70-1859 Radio Wiring Harness for Select GM Factory Amp Vehicles 1995-2003

$25.99 USD
$25.99 USD
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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 70-1859 is a radio replacement wiring harness with factory amplifier activation lead for select Cadillac, Chevrolet, GMC, and Pontiac vehicles from 1995-2003. It connects an aftermarket radio to the factory radio plug and includes an additional 9-pin connection to activate the factory amplifier where applicable.

At a Glance

  • Radio replacement wiring harness for select GM vehicles
  • Includes additional 9-pin connector to activate the factory amplifier where applicable
  • Connects to the factory radio plug for aftermarket radio installation
  • Color-coded leads support standard aftermarket radio wiring
  • Provides electrical power and four-speaker connections where applicable

System / Wiring Notes

  • Factory amplifier activation depends on compatible vehicle equipment
  • Additional dash kit, antenna adapter, steering wheel control interface, or data interface may be required
  • Verify factory amplifier and connector style 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
Cadillac Escalade 1999-2000 Factory amplified audio system
Cadillac Escalade, Escalade EXT 2002 Factory amplified audio system
Chevrolet Avalanche 2002 Factory amplified audio system
Chevrolet C/K Pickup 1995-2000 2001-up see Silverado; Factory amplified audio system
Chevrolet Silverado 1500, 2500 1999-2002 Factory amplified audio system
Chevrolet Silverado 3500 1999-2000 Factory amplified audio system
Chevrolet Silverado 3500 2001 commercial; Factory amplified audio system
Chevrolet Silverado 3500 2001-2002 Factory amplified audio system
Chevrolet Silverado 3500 2002 commercial; Factory amplified audio system
Chevrolet Suburban 1995-1999 Factory amplified audio system
Chevrolet Suburban 2000-2002 Factory amplified audio system
Chevrolet Tahoe 1995-1999 Factory amplified audio system
Chevrolet Tahoe 2000-2002 Factory amplified audio system
GMC C/K Pickup 1995-1998 Factory amplified audio system
GMC Sierra 1500 1999-2002 Factory amplified audio system
GMC Sierra 2500 1999 Factory amplified audio system
GMC Sierra 2500/2500 HD 2000-2002 Factory amplified audio system
GMC Sierra 3500 2001-2002 Factory amplified audio system
GMC Suburban 1995-1999 Factory amplified audio system
GMC Yukon 1995-1999 Factory amplified audio system
GMC Yukon Denali 1999-2000 Factory amplified audio system
GMC Yukon Denali, Yukon XL Denali 2001-2002 Factory amplified audio system
GMC Yukon, Yukon XL 2000-2002 Factory amplified audio system
Pontiac Grand Prix 1997-2003 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 70-1859 radio replacement wiring harness

Technical Specifications

  • Brand: Metra
  • Model: 70-1859
  • Product Type: Radio wiring harness
  • Application: Select GM aftermarket radio installations with compatible factory amplifier activation wiring
  • Compatibility Type: Vehicle-specific
  • Factory Feature: Additional 9-pin factory amplifier activation connector
  • Connection Type: Vehicle-specific radio connector

Identifiers & Packaging

  • MPN: 70-1859
  • UPC: 086429280261
  • Sold As: Each
  • Included Components: Radio replacement wiring 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
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