These are drop in replacement mirror marker lights for the 2019+ new style GM tow mirrors. These 2019+ style tow mirror lights fit 2019+ Silverado and Sierra style tow mirrors. These lights offer a selection of lighting options including bright Amber or White LED's, optional forward facing spot lights, and optional scanning sequential front running light.

These are plug and play in OEM towing mirrors as long as the lights were properly working prior to installing these. Fitting 2019+ Chevy Silverado and GMC Sierra 1500 trucks with towing mirrors, and 2020+ Chevrolet Silverado and GMC Sierra 2500/3500 trucks. Offered with a clear lens or smoked lens for a sleek appearance.

Function Explanation:

• Signal Only: The lights will not illuminate with running light. The lights will flash AMBER with turn signal.
• Signal Only Sequential: The lights will not illuminate with running light. The lights will flash AMBER with turn signal in a sequential pattern.
• Signal & Running Light: The lights will illuminate AMBER with running light. The lights will flash AMBER with turn signal.
• Signal & Running Light Sequential: The lights will illuminate AMBER with running light. The lights will flash AMBER with turn signal in a sequential pattern.
• Switchback: The lights will illuminate WHITE with running light. The lights will flash AMBER with turn signal.
• Switchback Sequential: The lights will illuminate WHITE with running light. The lights will flash AMBER with turn signal in a sequential pattern.

These replace the factory lights which are part numbers 84468924, 84468925, 84468926, 84468927.

Link to Install Video: https://youtu.be/EsGb7tti3gM