How to instal a LED light bar on a 2007-2013 Sierra Silverado

How to install a 20" 22" 24" LED light bar on a 2007/2013 GMC Sierra or Chevy Silverado.
You can purchase this light bar here:
http://amzn.to/2u8O0oi

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• #light
• #bar
• #lightbar
• #truck