< Back 70-2057
  • Amplifier bypass harness for select GM vehicles with a MOST ® amplifier
  • Plugs into output of OEM amplifier harness (21 pin)
  • 72 inches long
  • Color coded leads

® = registered in the US Patent and Trademark Office

*Visit Metraonline.com for more detailed information about the product and download the latest Vehicle Application Guide to find other vehicle specific products.

Harness Fits select Chevrolet/GMC models 2014-2020

Chevrolet
  • Colorado 2015-2018 (with 8”“ radio, RPO code IO5/IO6)
  • Silverado 1500 LD/2500 HD/3500 HD 2019-2019 (with 8”“ radio, RPO code IO5/IO6)
  • Silverado 1500/2500 HD/3500 HD 2016-2018 (with 7”“ radio, RPO code IO8)
  • Silverado 1500 2014-2014 (with 8”“ radio, RPO code IO5/IO6)
  • Suburban 2015-2020
  • Tahoe 2015-2020
GMC
  • Canyon 2015-2018 (with 8”“ radio, RPO code IO5/IO6)
  • Sierra 1500 Limited/2500 HD/3500 HD 2019-2019 (with 8”“ radio, RPO code IO5/IO6
  • Sierra 1500/2500 HD/3500 HD 2015-2018 (with 8”“ radio, RPO code IO5/IO6)
  • Sierra 1500 2014-2014 (with 8”“ radio, RPO code IO5/IO6)
  • Yukon (including XL) 2015-2020
  • Yukon Denali (including XL) 2015-2020

*Visit Metraonline.com for more detailed information about the product and download the latest Vehicle Application Guide to find other vehicle specific products.

Wiring diagram for adding an amplifier & speakers to your ride