14-15 Sierra Universal Fog Light Harness Foglight Function:2014(1500)+2015(All) off with highbeams(250221-U) All of 3DBillet's parts are

All of 3DBillet's parts are proudly made in the USA

2019-2021 - There is no need to check the VIN

we currently do not have a harness available

4 different harness styles for different function's:  Please select the appropriate option from the drop down menu

-LOOSE LEAD OPTION: Harness is also available with a separate power and ground wire for those that may want to add in a dash cam or such

14-15 Sierra Universal Fog Light Harness Foglight Function:2014(1500)+2015(All) off with highbeams(250221-U) All of 3DBillet's parts areThis is only for AFTERMARKET fog lights not OEM fog lights. Looking to add fog lights to your 2014 2015 GMC Sierra. 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 and remain on when the high beams are on, if you prefer that the fog lamps turn off with the high beams, please