HD Relay: Light Bar Ferrari Durable: Their UV-coated polycarbonate lens

Durable: Their UV-coated polycarbonate lens will resist the test of time

4 fog light bulbs

but they also add a stylish touch to your GMC Sierra

What sets these taillights apart is their unique amber sequential turn signal

Their LED daytime running light is powered by Osram 5000K LEDs and is insanely bright

HD Relay: Light Bar Ferrari Durable: Their UV-coated polycarbonate lensReality Check: Customers often ask, Do I really need a harness? Yes! A relay harness is designed to deliver steady voltage to your light bar directly from the car battery. Nobody likes a flickering light bar, so why risk it? Factory wiring just isn't designed for powering a beefy LED light bar. Plug n Play: The layout of the harness makes it easy to install. With just a few simple connections, even your mom could set this thing up! Wire lengths are