Diode Dynamics 20-21 Sierra 2500/3500 LED Sidemarkers HD Smoked Set

Features

Plug-and-play compatible with GMC Sierra HD 2020+ fender lights
Dynamic startup sequence with animated effect
Fully-illuminated housing, with dual-lens design for an even glow
Optional Sequential turn signal feature, with plug-and-play wiring harness
OEM-grade construction and perfect fitment
Engineered and assembled in USA

Overview
Upgraded 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. Choose from three lens color options to get the look you’re after.
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 illuminated, they gradually return to a running light mode.
Sequencing Turn Signal. Our sequential option provides an upgrade in functionality. Anytime you hit your turn signal, the sidemarkers illuminate in a sequencing amber pattern to indicate signaling! The sequential option uses the included plug-and-play harness to power the fender lights using the headlight connector.
Options

Amber: These match your original sidemarkers, and are DOT/SAE compliant.
Smoked: A dark appearance, great on black and grey vehicles.
Clear: These are clear in color, but still have the retroreflector optics.

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.
Included in the box:
Four (4) replacement sidemarkers
Ten (10) fender clips

• Modern LED replacement for your factory sidemarker lamp
• Plug-and-play installation no modification needed
• OEM-grade retroreflector optics
• Engineered and assembled in USA
• OEM fit-and-finish

Fitment:
GMC Canyon AT4 2023 to 2024
GMC Canyon AT4X 2023 to 2024
GMC Canyon Denali 2023 to 2024
GMC Canyon Elevation 2023 to 2024
GMC Sierra 2500 HD AT4 2020 to 2024
GMC Sierra 2500 HD AT4X 2024
GMC Sierra 2500 HD Base 2020 to 2022
GMC Sierra 2500 HD Denali 2020 to 2024
GMC Sierra 2500 HD Denali Ultimate 2024
GMC Sierra 2500 HD Pro 2023 to 2024
GMC Sierra 2500 HD SLE 2020 to 2024
GMC Sierra 2500 HD SLT 2020 to 2024