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Scosche GM40B Wiring Harness

Install a new car stereo in select 2004-2021 vehicles from GMC, Chevrolet, Pontiac

Scosche
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• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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$6.99

 with warranty

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Description


Scosche brand icon

Authorized dealer

Product Features:

Connections:

  • 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 (-)
Note:

This harness does not provide accessory power. The included Red wire will need to be run to the fuse box to supply accessory power to the aftermarket radio. A brass fuse tap is provided to assist you in tapping into the fuse box. If you prefer a wiring harness that will provide this function for you please visit metraonline.com for a harness that has accessory power support.

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

  • 2004 Chevrolet Malibu
  • 2004 Chevrolet Malibu Maxx
  • 2005 Chevrolet Cobalt
  • 2005 Chevrolet Malibu
  • 2005 Chevrolet Malibu Maxx
  • 2005 Pontiac G6
  • 2006 Buick Lucerne
  • 2006 Chevrolet Cobalt
  • 2006 Chevrolet HHR
  • 2006 Chevrolet Impala
  • 2006 Chevrolet Malibu
  • 2006 Chevrolet Malibu Maxx
  • 2006 Chevrolet Monte Carlo
  • 2006 Pontiac G6
  • 2007 Buick Lucerne
  • 2007 Chevrolet Avalanche
  • 2007 Chevrolet Aveo
  • 2007 Chevrolet Aveo5
  • 2007 Chevrolet Cobalt
  • 2007 Chevrolet Equinox
  • 2007 Chevrolet HHR
  • 2007 Chevrolet Impala
  • 2007 Chevrolet Malibu
  • 2007 Chevrolet Malibu Maxx
  • 2007 Chevrolet Monte Carlo
  • 2007 Chevrolet Silverado 1500
  • 2007 Chevrolet Silverado 2500 HD
  • 2007 Chevrolet Silverado 3500 HD
  • 2007 Chevrolet Suburban 1500
  • 2007 Chevrolet Suburban 2500
  • 2007 Chevrolet Tahoe
  • 2007 GMC Acadia
  • 2007 GMC Sierra 1500
  • 2007 GMC Sierra 1500 HD
  • 2007 GMC Sierra 2500 HD
  • 2007 GMC Sierra 3500
  • 2007 GMC Sierra 3500 HD
  • 2007 GMC Sierra Denali
  • 2007 GMC Yukon
  • 2007 GMC Yukon XL
  • 2007 GMC Yukon XL 1500
  • 2007 GMC Yukon XL 2500
  • 2007 Pontiac G5
  • 2007 Pontiac G6
  • 2007 Saturn Aura
  • 2007 Saturn Outlook
  • 2007 Saturn Sky
  • 2007 Suzuki XL-7
  • 2008 Buick Enclave
  • 2008 Buick Lucerne
  • 2008 Chevrolet Avalanche
  • 2008 Chevrolet Aveo
  • 2008 Chevrolet Aveo5
  • 2008 Chevrolet Cobalt
  • 2008 Chevrolet Equinox
  • 2008 Chevrolet Express 1500
  • 2008 Chevrolet Express 2500
  • 2008 Chevrolet Express 3500
  • 2008 Chevrolet HHR
  • 2008 Chevrolet Impala
  • 2008 Chevrolet Malibu
  • 2008 Chevrolet Silverado 1500
  • 2008 Chevrolet Silverado 2500 HD
  • 2008 Chevrolet Silverado 3500 HD
  • 2008 Chevrolet Suburban 1500
  • 2008 Chevrolet Suburban 2500
  • 2008 Chevrolet Tahoe
  • 2008 Chevrolet Tahoe Hybrid
  • 2008 GMC Acadia
  • 2008 GMC Savana
  • 2008 GMC Savana 1500
  • 2008 GMC Savana 2500
  • 2008 GMC Savana 3500
  • 2008 GMC Sierra 1500
  • 2008 GMC Sierra 2500 HD
  • 2008 GMC Sierra 3500 HD
  • 2008 GMC Sierra Denali
  • 2008 GMC Yukon
  • 2008 GMC Yukon Hybrid
  • 2008 GMC Yukon XL
  • 2008 GMC Yukon XL 1500
  • 2008 GMC Yukon XL 2500
  • 2008 Hummer H2
  • 2008 Hummer H2 SUT
  • 2008 Pontiac G5
  • 2008 Pontiac G6
  • 2008 Saturn Aura
  • 2008 Saturn Aura Hybrid
  • 2008 Saturn Outlook
  • 2008 Saturn Sky
  • 2008 Suzuki XL-7
  • 2009 Buick Enclave
  • 2009 Buick Lucerne
  • 2009 Chevrolet Avalanche
  • 2009 Chevrolet Aveo
  • 2009 Chevrolet Aveo5
  • 2009 Chevrolet Cobalt
  • 2009 Chevrolet Equinox
  • 2009 Chevrolet Express 1500
  • 2009 Chevrolet Express 2500
  • 2009 Chevrolet Express 3500
  • 2009 Chevrolet HHR
  • 2009 Chevrolet Impala
  • 2009 Chevrolet Malibu
  • 2009 Chevrolet Silverado 1500
  • 2009 Chevrolet Silverado 2500 HD
  • 2009 Chevrolet Silverado 3500 HD
  • 2009 Chevrolet Suburban 1500
  • 2009 Chevrolet Suburban 2500
  • 2009 Chevrolet Tahoe
  • 2009 Chevrolet Tahoe Hybrid
  • 2009 Chevrolet Traverse
  • 2009 GMC Acadia
  • 2009 GMC Savana
  • 2009 GMC Savana 1500
  • 2009 GMC Savana 2500
  • 2009 GMC Savana 3500
  • 2009 GMC Sierra 1500
  • 2009 GMC Sierra 2500 HD
  • 2009 GMC Sierra 3500 HD
  • 2009 GMC Sierra Denali
  • 2009 GMC Yukon
  • 2009 GMC Yukon Hybrid
  • 2009 GMC Yukon XL
  • 2009 GMC Yukon XL 1500
  • 2009 GMC Yukon XL 2500
  • 2009 Hummer H2
  • 2009 Hummer H2 SUT
  • 2009 Pontiac G3
  • 2009 Pontiac G5
  • 2009 Pontiac G6
  • 2009 Saturn Aura
  • 2009 Saturn Aura Hybrid
  • 2009 Saturn Outlook
  • 2009 Saturn Sky
  • 2009 Suzuki XL-7
  • 2010 Buick Enclave
  • 2010 Buick Lucerne
  • 2010 Chevrolet Avalanche
  • 2010 Chevrolet Aveo
  • 2010 Chevrolet Aveo5
  • 2010 Chevrolet Cobalt
  • 2010 Chevrolet Express 1500
  • 2010 Chevrolet Express 2500
  • 2010 Chevrolet Express 3500
  • 2010 Chevrolet Express 4500
  • 2010 Chevrolet HHR
  • 2010 Chevrolet Impala
  • 2010 Chevrolet Malibu
  • 2010 Chevrolet Silverado 1500
  • 2010 Chevrolet Silverado 2500 HD
  • 2010 Chevrolet Silverado 3500 HD
  • 2010 Chevrolet Suburban 1500
  • 2010 Chevrolet Suburban 2500
  • 2010 Chevrolet Tahoe
  • 2010 Chevrolet Tahoe Hybrid
  • 2010 Chevrolet Traverse
  • 2010 GMC Acadia
  • 2010 GMC Savana
  • 2010 GMC Savana 1500
  • 2010 GMC Savana 2500
  • 2010 GMC Savana 3500
  • 2010 GMC Sierra 1500
  • 2010 GMC Sierra 2500 HD
  • 2010 GMC Sierra 3500 HD
  • 2010 GMC Sierra Denali
  • 2010 GMC Yukon
  • 2010 GMC Yukon Hybrid
  • 2010 GMC Yukon XL
  • 2010 GMC Yukon XL 1500
  • 2010 GMC Yukon XL 2500
  • 2011 Buick Enclave
  • 2011 Chevrolet Avalanche
  • 2011 Chevrolet Aveo
  • 2011 Chevrolet Aveo5
  • 2011 Chevrolet Express 1500
  • 2011 Chevrolet Express 2500
  • 2011 Chevrolet Express 3500
  • 2011 Chevrolet Express 4500
  • 2011 Chevrolet HHR
  • 2011 Chevrolet Impala
  • 2011 Chevrolet Malibu
  • 2011 Chevrolet Silverado 1500
  • 2011 Chevrolet Silverado 2500 HD
  • 2011 Chevrolet Silverado 3500 HD
  • 2011 Chevrolet Suburban 1500
  • 2011 Chevrolet Suburban 2500
  • 2011 Chevrolet Tahoe
  • 2011 Chevrolet Tahoe Hybrid
  • 2011 Chevrolet Traverse
  • 2011 GMC Acadia
  • 2011 GMC Savana
  • 2011 GMC Savana 1500
  • 2011 GMC Savana 2500
  • 2011 GMC Savana 3500
  • 2011 GMC Sierra 1500
  • 2011 GMC Sierra 2500 HD
  • 2011 GMC Sierra 3500 HD
  • 2011 GMC Yukon
  • 2011 GMC Yukon Hybrid
  • 2011 GMC Yukon XL
  • 2011 GMC Yukon XL 1500
  • 2011 GMC Yukon XL 2500
  • 2012 Buick Enclave
  • 2012 Chevrolet Avalanche
  • 2012 Chevrolet Express 1500
  • 2012 Chevrolet Express 2500
  • 2012 Chevrolet Express 3500
  • 2012 Chevrolet Express 4500
  • 2012 Chevrolet Impala
  • 2012 Chevrolet Malibu
  • 2012 Chevrolet Silverado 1500
  • 2012 Chevrolet Silverado 2500 HD
  • 2012 Chevrolet Silverado 3500 HD
  • 2012 Chevrolet Suburban 1500
  • 2012 Chevrolet Suburban 2500
  • 2012 Chevrolet Tahoe
  • 2012 Chevrolet Tahoe Hybrid
  • 2012 Chevrolet Traverse
  • 2012 GMC Acadia
  • 2012 GMC Savana
  • 2012 GMC Savana 1500
  • 2012 GMC Savana 2500
  • 2012 GMC Savana 3500
  • 2012 GMC Sierra 1500
  • 2012 GMC Sierra 2500 HD
  • 2012 GMC Sierra 3500 HD
  • 2012 GMC Yukon
  • 2012 GMC Yukon Hybrid
  • 2012 GMC Yukon XL
  • 2012 GMC Yukon XL 1500
  • 2012 GMC Yukon XL 2500
  • 2013 Chevrolet Avalanche
  • 2013 Chevrolet Express 1500
  • 2013 Chevrolet Express 2500
  • 2013 Chevrolet Express 3500
  • 2013 Chevrolet Express 4500
  • 2013 Chevrolet Impala
  • 2013 Chevrolet Silverado 1500
  • 2013 Chevrolet Silverado 2500 HD
  • 2013 Chevrolet Silverado 3500 HD
  • 2013 Chevrolet Suburban 1500
  • 2013 Chevrolet Suburban 2500
  • 2013 Chevrolet Tahoe
  • 2013 Chevrolet Tahoe Hybrid
  • 2013 Chevrolet Traverse
  • 2013 GMC Acadia
  • 2013 GMC Savana
  • 2013 GMC Savana 1500
  • 2013 GMC Savana 2500
  • 2013 GMC Savana 3500
  • 2013 GMC Sierra 1500
  • 2013 GMC Sierra 2500 HD
  • 2013 GMC Sierra 3500 HD
  • 2013 GMC Yukon
  • 2013 GMC Yukon Hybrid
  • 2013 GMC Yukon XL
  • 2013 GMC Yukon XL 1500
  • 2013 GMC Yukon XL 2500
  • 2014 Chevrolet Express 1500
  • 2014 Chevrolet Express 2500
  • 2014 Chevrolet Express 3500
  • 2014 Chevrolet Express 4500
  • 2014 Chevrolet Suburban 1500
  • 2014 Chevrolet Suburban 2500
  • 2014 Chevrolet Tahoe
  • 2014 Chevrolet Traverse
  • 2014 GMC Acadia
  • 2014 GMC Savana
  • 2014 GMC Savana 1500
  • 2014 GMC Savana 2500
  • 2014 GMC Savana 3500
  • 2014 GMC Yukon
  • 2014 GMC Yukon XL
  • 2014 GMC Yukon XL 1500
  • 2015 Chevrolet Express 2500
  • 2015 Chevrolet Express 3500
  • 2015 Chevrolet Express 4500
  • 2015 GMC Acadia
  • 2015 GMC Savana
  • 2015 GMC Savana 2500
  • 2015 GMC Savana 3500
  • 2016 Chevrolet Express 2500
  • 2016 Chevrolet Express 3500
  • 2016 Chevrolet Express 4500
  • 2016 GMC Acadia
  • 2016 GMC Savana
  • 2016 GMC Savana 2500
  • 2016 GMC Savana 3500
  • 2017 Chevrolet Express 2500
  • 2017 Chevrolet Express 3500
  • 2017 GMC Savana
  • 2017 GMC Savana 2500
  • 2017 GMC Savana 3500
  • 2018 Chevrolet Express 2500
  • 2018 Chevrolet Express 3500
  • 2018 GMC Savana
  • 2018 GMC Savana 2500
  • 2018 GMC Savana 3500
  • 2019 Chevrolet Express 2500
  • 2019 Chevrolet Express 3500
  • 2019 GMC Savana
  • 2019 GMC Savana 2500
  • 2019 GMC Savana 3500
  • 2020 Chevrolet Express 2500
  • 2020 Chevrolet Express 3500
  • 2021 Chevrolet Express 2500
  • 2021 Chevrolet Express 3500

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Specifications & Details


Harness Features
Main Harness Function
Connect/Install an Aftermarket Car Stereo
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

GM40B

Weight:

0.10lbs

Internal SKU:

gm40b

Internal Product ID:

72941

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