LED Sequential Sidemarkers for 20-21 Sierra 2500/3500 HD Smoked Set Diode Dynamics GMC lock em down

lock em down

Harness: 1x H13 MotoControl Bi-Xenon Harness

Although a true square-lens version of the Mini H1 still doesn't exist and probably wont

while they look radical

Upgrade your ride with the Luxx Series

LED Sequential Sidemarkers for 20-21 Sierra 2500/3500 HD Smoked Set Diode Dynamics GMC lock em downUpgraded Styling. These LED sidemarkers are a plug and play replacement for the factory fender lights, illuminating the entire width of the housing for a distinctive look and brighter appearance. Unique Startup. Both the standard and sequential models feature a unique startup sequence. Every time the sidemarkers turn on, they illuminate in an intense amber color starting from the center then spreading to either side. Once they are completely