Metra 70-2103 Radio Wiring Harness for Select Chevrolet Pontiac Vehicles

Metra 70-2103 is a radio replacement wiring harness for select Chevrolet and Pontiac vehicles. It connects an aftermarket radio to the factory radio plug for cleaner power and speaker wiring connections.

Key Features

• Radio replacement wiring harness for select Chevrolet and Pontiac vehicles
• Connects to the factory radio plug for aftermarket radio installation
• Color-coded leads support standard aftermarket radio wiring
• Helps avoid cutting the factory radio harness
• Provides power and speaker wiring connections where applicable

System / Wiring Notes

• Harness does not supply an ignition source
• Factory warning chimes will no longer function with this harness alone
• OnStar features will be lost
• Additional interface may be required when factory feature retention is needed

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 70-2103 radio replacement wiring harness

Technical Specifications

• Brand: Metra
• Model: 70-2103
• Product Type: Radio wiring harness
• Application: Select Chevrolet and Pontiac aftermarket radio installations
• Compatibility Type: Vehicle-specific
• Factory Feature Note: Does not retain OnStar or warning chimes
• Ignition Source: Not supplied by this harness

Identifiers & Packaging

• MPN: 70-2103
• UPC: 86429117734
• 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