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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
- Written Install Instructions: 2019+ GM Tow Mirror Light Install
Fitment: 2019 2020 2021 2022 Silverado and Sierra 1500 with towing mirrors. 2020 2021 2022 Silverado and SIerra 2500/3500 with towing mirrors.
Reviews
- Reviews
- Questions

Smoked Tow Mirror Lights
Look good, easy to install. Happy with them so far!

2020 GMC 3500HD
problem I have is they do not have weathered housing, gm oem signals have a seal around it protecting any water comming through, these do not.
Boost Auto Parts
Hi Ed, Our lights are fully sealed and will not have issues with moisture. Thanks, -The Boost Auto Team

So much better
Easy to install looks way better then the silver lights

Love the look and function
The item is great and was as described. The video provided for the install was very helpful and made install easy.

One little problem
Very very easy install, just as expected, perfect, only problem I have is they do not have weathered housing, gm oem signals have a seal around it protecting any water comming through, these do not.
Boost Auto Parts
Hi Gabriel, These are designed to be water tight and are tested in extreme weather conditions - you should not have any issues with moisture. Thanks, -The Boost Auto Team