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

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.

Key Features

• 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

Vehicle Compatibility

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: 86429280261
• 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