16-19 Sierra HD Fog Light Harness Foglight Function:Stay On with Highbeams (250220) This option eliminates the sound

This option eliminates the sound tube assembly from the inlet elbow all the way back to the fire wall

Light Blue = RF -

key fob style

Install Video

16-19 Sierra HD Fog Light Harness Foglight Function:Stay On with Highbeams (250220) This option eliminates the soundThis is only for OEM fog lights not aftermarket fog lights. Looking to add fog lights to your 2016 2019 GMC Sierra HD. Gen5DIY now has the needed harness to do just that. This is the harness only and is intended for those that have already purchased the fog lights on their own. This harness will allow the fog lights to automatically come on at night when both the parking lights and headlights are on. The fog lights will remain on when the high beams