







2014-2018 GMC Sierra 1500 & 2015-2019 Sierra 2500HD/3500HD Smoked Red LED Tail Lights Assembly
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For the 2014-2018 GMC Sierra 1500, the 2019 Sierra 1500 Limited and the 2015-2019 Sierra 2500HD and 3500HD, this smoked red LED set keeps the factory lamp outline and its factory turn-signal logic.
Highlights
- Smoked red signature runs a red light element around the outer edge of the housing, with the reverse section set in the middle of the lamp.
- Factory-style turn signal shares the red lighting zone with the brake light and flashes red, the same way GMC wired the original lamp. There is no separate amber indicator and no sequential sweep.
- Startup animation runs the lighting sequence once when you fire up the truck.
- Brighter brake and reverse lighting improves rear visibility so drivers behind you can react more clearly in traffic, parking, and low-light conditions.
- Adapter harness for 2014-2015 trucks is included in the box; 2016 and later trucks plug into the factory connector directly.
- Weather-resistant construction helps protect the lens, housing, and internal electronics from rain, dust, and road conditions.
Compatibility
Fits: 2014-2018 GMC Sierra 1500 · 2019 GMC Sierra 1500 Limited · 2015-2019 GMC Sierra 2500HD / 3500HD.
Does not fit: 2019 and newer Sierra 1500, other than the 2019 Sierra 1500 Limited.
Fitment Note: 2014-2015 trucks need the included adapter harness.
What is included
Driver and passenger side tail light assemblies, plus the adapter harness for 2014-2015 trucks.
Shipping & Returns & Warranty
📦 Shipping
• Ships to contiguous US only (no P.O. Boxes, AK, HI, or territories)
• Processing: 1–3 business days (US warehouse)
• Transit: 3–8 business days (US)
• Free Standard Shipping on eligible orders
• Tracking email sent within 24 business hours
• Damaged packages must be reported within 48 hours of delivery with photos
↩️ Returns
• 30-day return window from delivery date
• Items must be unused, uninstalled, and in original packaging
• Non-returnable: installed, modified, custom, sale, or clearance items
🛡️ Warranty
• 2-Year Limited Warranty on manufacturing defects under normal use
• Resolved via replacement parts or product replacement
• Customer responsible for warranty return shipping costs
Installation Support

Premium Full Upgrade LED Tail Lights Assembly
What's Inside Matters
Every component of our tail lights is precision-engineered for durability, clarity, and reliability — from the housing to the lens to the ventilation system.
Outer Lens (Light Diffuser)
High-strength polycarbonate (PC) with scratch-resistant and UV-protective coating. Available in clear, red, smoked, or dual-color injection-molded finishes — the core component that defines the overall style of the tail light.
Housing & Shell
PP + fiberglass or ABS housing serves as the structural base of the entire light assembly. Sealed with gaskets and adhesive bonding to achieve IP67-rated waterproof and dustproof protection — built for car washes, rain, and all-weather conditions.
Driver & Control Module
Constant-current driver circuit ensures stable, flicker-free LED brightness. Dynamic tail lights integrate an onboard MCU controller that stores preset animation sequences for sequential signals and startup effects.
Built for the Road Behind You
We're automotive enthusiasts ourselves. That means we obsess over every detail — sequential turn signals, lens clarity, plug-and-play installation — so you get a premium tail light upgrade without the dealership price tag.
Frequently Asked Questions
Please read our frequently asked questions to find out more.
Are these tail lights street legal?
Absolutely. All PrismBeam tail lights are SAE/DOT compliant, meeting all US federal motor vehicle safety standards for road use.
Will the sequential turn signal cause a hyper-flash?
No. Our tail lights include built-in load resistors to maintain a factory-correct blink rate — no additional resistors or modules needed.
How long does installation take?
Most installs take 30–60 minutes using basic hand tools. Our tail lights use factory mounting points and OEM-style plug-and-play connectors — no cutting or splicing required.
What's included in the box?
One pair of tail lights (driver + passenger side), all mounting hardware, plug-and-play wiring connectors, and installation instructions.
What if they don't fit or arrive damaged?
Contact us within 30 days for a free replacement or full refund. All PrismBeam tail lights are backed by a 2-year warranty covering manufacturing defects.












