In this comprehensive tutorial, learn how to easily replace the third brake light and cargo lamp bulbs on your 2014 - 2019 Chevy Silverado or GMC Sierra truck. Whether you're experiencing a burnt-out bulb or simply want to upgrade to brighter LEDs, this step-by-step guide has got you covered.

Parts needed for this fix:
GM Part Number: 23509162
Light bulb number: 921

Grab everything you need off of Amazon here:
AC Delco High Mount Lamp Replacement: https://amzn.to/493kNtb
Less expensive high mount lamp replacement with integrated LED bulbs (we have not tested it): https://amzn.to/4ctSEOz
Light Bulb #921:
SYLVANIA (2 pack) https://amzn.to/43u85Cy
SYLVANIA (10 pack) https://amzn.to/4a4oeRH

Don't let a malfunctioning brake light compromise your safety on the road. Follow along with our easy-to-follow instructions and keep your Chevy Silverado or GMC Sierra shining bright. Subscribe for more helpful DIY tutorials and maintenance tips!

Keywords:
Chevy Silverado, GMC Sierra, 2014, 2015, 2016, 2017, 2018, 2019, third brake light, cargo lamp, bulb replacement, DIY tutorial, maintenance tips, truck maintenance, LED bulbs, safety, easy guide, step-by-step tutorial.

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Check out our playlist for additional Chevy Silverado and GMC Sierra troubleshooting guides. Like this video if it helped you and drive confidently with your cooling system back in action! 🚗🔧

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