LED Sequential Sidemarkers for 20-21 Sierra 2500/3500 HD Smoked Set Diode Dynamics Chevrolet lower-power white for night time

lower-power white for night time use

These projector headlights are with dual projector design

featuring a plug-and-play design that eliminates the need for special wiring

Some cars or trucks will give a light-out warning indicator light on the dash

Here is the bulb cross reference guide for this product: BAY15D

LED Sequential Sidemarkers for 20-21 Sierra 2500/3500 HD Smoked Set Diode Dynamics Chevrolet lower-power white for night timeUpgraded 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