14-15 Sierra DRL Harness DRL Function:Fog's as DRL's (250233) and we back it with

and we back it with a Lifetime Warranty and the best customer service in the industry

GM Lower Grill 22894223 (1

Harness is plug and play and is available in 1 of 2 ways

For those that are running the V1

Non Diming Option:  This option allows for the halo to remain bright day and night

14-15 Sierra DRL Harness DRL Function:Fog's as DRL's (250233) and we back it withThis harness will remove DRL function from your headlamp and can either leave it so your Sierra has no DRL's or we can make it so your fog lights become your DRL's. If you choose to have your fog lights as your DRL's you also have the option of keeping the fog lights on with the highbeams. This harness is needed when installing HID or LED headlight bulbs into your GMC Sierra as there is less voltage during DRL mode which can play havoc with the HID