HD Relay: Light Bar Ferrari and pigtails for a plug

and pigtails for a plug n play install

while the precise solid optics direct the light and maintain being street-legal

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

and finish the job with some JB weld to ensure nothing ever vibrates itself loose in the long run

but they also add a stylish touch to your GMC Sierra

HD Relay: Light Bar Ferrari and pigtails for a plugReality 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