CMVT Auto X-Style Sequential LED Third Brake Light for 1999-2006 Silverado/Sierra — Plug-and-Play, Weather-Sealed

CMVT Auto's X-Style Sequential LED Third Brake Light is a plug-and-play high-mount stop lamp designed to replace the center cab roof light on 1999–2006 Chevrolet Silverado and GMC Sierra trucks, plus 2007 HD Classic models, adding modern sequential signaling and improved visibility.

If you drive a late‑90s to mid‑2000s Chevy or GMC full‑size pickup and want a direct replacement that looks updated and performs reliably, this third brake light provides an immediate style and safety upgrade. It uses an individual X‑style LED bar arrangement to create a sequential lighting effect, fits the listed truck years without major modification, and comes weather‑sealed for long-term outdoor use.

How will this third brake light fit my Silverado or Sierra?

This lamp is a direct-fit aftermarket replacement for the specified model years. It follows the OEM mounting footprint and wiring so installation is minimal: most owners plug it into the existing connector and secure it in place.

• Fits 1999–2006 Chevrolet Silverado & GMC Sierra 1500/2500/3500 models
• Compatible with 2001–2006 Silverado/Sierra HD and 2007 Silverado/Sierra Classic HD
• Only fits the 2007 HD Classic—does not fit other 2007 models
• Plug-and-play connection; little to no modifications required

What lighting features and appearance does the X‑Style Sequential LED offer?

The fixture uses grouped LED segments arranged in an X pattern that illuminate in a flowing, sequential motion when the brake or turn signals activate. That modern animation draws attention more quickly than a static bulb and refreshes the truck's rear profile with a contemporary look.

• X‑style individual LED bars for a bold, updated design
• Sequential illumination pattern for dynamic signaling
• High‑mount placement improves visibility to drivers behind
• Clear lens and defined LEDs for a crisp finished appearance

Is the light durable enough for daily road and weather exposure?

The housing is made from ABS with a robust lens and a full gasket seal to resist water, dust, and snow intrusion. These protections extend the functional life of the LEDs and help keep the lens clear and free of moisture under typical driving conditions.

• ABS housing resists impacts and UV degradation
• Sealed gasket and cover block moisture and debris
• Designed for exterior mounting and year‑round use
• Manufactured to withstand vibration common to truck use

How difficult is installation and what support is available?

Installation is intended to be simple: most users will unplug the stock light, plug in the CMVT Auto unit, and secure it in place. The product ships with a one‑year warranty and lifetime technical support from CMVT Auto for troubleshooting or help with fitment questions.

• Plug-and-play design minimizes wiring or cutting
• Mounts using existing cab roof hole pattern and fasteners
• One‑year warranty plus lifetime technical support from the brand
• Customer support available through the seller messaging system

Who is this for: Pickup owners who want a straightforward, OEM‑style replacement that modernizes the truck’s rear lighting without major electrical work. It suits drivers of 1999–2006 Chevy Silverado and GMC Sierra trucks, and owners of the 2007 HD Classic who want a durable, sequential LED third brake light with easy installation and weatherproof construction.