Metra 71-2103-1

Reverse Wiring Harness for Select GM Vehicles OEM Radio

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Arrives by Thursday, Aug. 2 to zip 20147

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Metra Audio Store

Product Features:

  • Reverse Wiring Harness for Select GM Vehicles OEM Radio
  • Plugs into OEM radio
  • Power/4-Speaker
  • 24-pin plug and 12-pin plug
  • Easy installation
  • Allows for the installation of the factory radio using the existing factory wiring and connectors
  • No cutting of factory wiring needed
  • Check the Product Instructions to see basic instructions and compatibility list for the Metra 71-2103-1
  • 1-year Manufacturer's warranty

Compatibility List:

  • Chevrolet
    • 2005-2006 Cobalt
    • 2005-2006 Equinox
    • 2004-2005 Malibu
    • 2005-2007 Malibu/Malibu Maxx
  • Pontiac
    • 2005-2006 G6
    • 2006 Torrent


  • Yellow – 12V Constant
  • Red – 12V Accessory
  • Black - Ground
  • Orange – Dash Light Dimmer/Illumination
  • Green – Left Rear Speaker (+)
  • Green with Black Stripe Left Rear Speaker (-)
  • White – Left Front Speaker (+)
  • White with Black Stripe – Left Front Speaker (-)
  • Purple – Right Rear Speaker (+)
  • Purple with Black Stripe – Right Rear Speaker (-)
  • Gray – Right Front Speaker (+)
  • Gray with Black Stripe – Right Front Speaker (-)

Harness Features

Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Replace Original Vehicle Stereo Wiring Plug (Male Side)
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
Chevy Cobalt
Chevy Equinox
Chevy Malibu
Pontiac G6
Pontiac Torrent

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

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Average Attribution Rating

Browse 2 questions and 2 answers
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Why did you choose this?
Sonic Electronix Store
I was told I needed it to complete installation of an aftermarket stereo in my 2008 Chevy Malibu. :)
allason m on Jan 29, 2015
Will metran71-2103-1 work in 2002 Chevy Malibu ?
A shopper on Mar 10, 2015
Best Answer: Hello,

The REVERSE harness for that vehicle is the Metra 71-2003-1 .

Reply · Report · Customer SStaff on Mar 11, 2015
· Add Answer · I Have This Question Too (0)

Product Summary


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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Metra 71-2103-1