2014-2018 GMC Sierra 1500 LED Projector Headlights with Amber DRL (pair) SS3 It acts as the main

It acts as the main light source for both low beam and high beam

Three trigger wires for OEM-like control through vehicle signals

with plenty of modern features

Provides high-power reverse light

or adjusting settings for low-light conditions

2014-2018 GMC Sierra 1500 LED Projector Headlights with Amber DRL (pair) SS3 It acts as the mainLooking to upgrade the headlamps on your Sierra 1500? Look no further. Introducing LED Projector Headlights from Form Lighting! Features Increased output with triple LED projectors Modern styling with LED DRL and sequential turn signal Plug and play installation, with included wire harness DOT compliant output The GMC Sierra is an excellent truck, with plenty of modern features. GM started including LED components in the headlights, but stopped short