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2016 GMC Sierra headlight conversion on a 2015

Gabe Polo

By Gabe Polo,
in 2014 - 2019 Silverado & Sierra

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Gabe Polo New Member

Gabe Polo

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Hello I'm having a problem with these headlight that I installed on my 2015 GMC Sierra. I install the newer Denali headlight the blinker light stay on and when I turn on the driver side blinker it flashes the high beams and stuff. I need some advice the harness I use was from GEN5 

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