14-15 Sierra SLT/Denali to '16-'18 GMC Sierra 1/2 Ton HID Headlight Harness fog lights on like all other models

like all other models

This harness is only the mirror connection harness

If there is please order our as you can utilize the factory Camaro camera which slides into the cut out on your bumper

but it also turns on the side markers and dims your LED lamps

but are available as an option thru us

14-15 Sierra SLT/Denali to '16-'18 GMC Sierra 1/2 Ton HID Headlight Harness fog lights on like all other modelsThis harness is for those with 2014 2015 GMC SLT Denali models that are looking to install the new 2016 2018 1 2 Ton HID headlight. There are 2 version's of the 2016 1 2 Ton headlight. Both utilize the "C" shaped LED, one uses a separate turn signal lamp and the other incorporates the turn signal lamp into the "C" LED. This harness is for the model that uses the separate turn signal lamp. Please see pic's below to make sure you have the right