14-15 Sierra Non SLT/Denali to '16-'18 GMC Sierra 1/2 Ton HID Headlight Conversion Harness 2020 Silverado Fog light harness Will not work on 2014

Will not work on 2014 (2500/3500 Models)

Gen5DIY has the harness for you

13-15 All other Models

Front side markers are powered off of the low beam headlight bulbs

The fog lights will not be on during the day unless you manually turn on your headlight switch

14-15 Sierra Non SLT/Denali to '16-'18 GMC Sierra 1/2 Ton HID Headlight Conversion Harness 2020 Silverado Fog light harness Will not work on 2014This is only for OEM headlights not aftermarket headlights This harness is for those with 2014 2015 Non SLT Non Denali model GMC Sierra's that are looking to install the new 2016 2018 "C" shaped HID headlights into their truck. 2016 2018 1 2 ton truck's use this new style headlight which will mount into your 2014 2015 model. Please note there are 2 different 2016 2018 1 2 ton headlights out there. Both use the "C" shaped led, but 1 uses a separate