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This round red GloLight LED stands out with its halo-style outer ring that glows for the tail light and a center section that handles brake and turn signals. It uses 21 diodes for a solid, uniform glow that’s easy to see day or night. The light face measures 4" in diameter, housed in a durable polycarbonate body with a tinted acrylic lens. It draws just 0.145 amps for the tail light and 0.375 amps for the stop/turn light at 12.8 volts—bright, efficient, and built to last with LEDs backed by a lifetime warranty.
This light is made to handle wet conditions without missing a beat. It’s fully waterproof and submersible, making it a great fit for trailers that see boat ramps or rainy roads. The weatherproof connector keeps moisture out of the wiring, and the one-piece sealed design protects the internal circuits from corrosion or shorts. Once mounted, you can trust it to stay dry and keep working when other lights would fail.
Fitting it in is straightforward. The light installs in a recessed mount using the A45GB grommet (sold separately), creating a smooth, finished look that keeps the light protected. If you’d rather not cut into your trailer body, you can use the optional BK45BB mounting bracket along with the same grommet. The snug fit helps hold the light secure while still allowing easy replacement when needed.
The back of the light uses a sealed plug connection that keeps water out and wiring simple. It requires the AL45PWTB adapter (sold separately) to connect to standard 3-prong plugs, giving you flexibility for either straight or right-angle pigtail setups. That plug-and-play style makes for a cleaner install and dependable power delivery without worrying about loose or corroded splices.
This GloLight meets DOT, FMVSS 108, and CMVSS requirements for stop, tail, and turn use. It’s designed for long-term reliability in tough environments while keeping your trailer lighting within safety standards. The combination of efficient LEDs, sealed build, and tested compliance means it’s ready for daily use without constant maintenance or replacement hassles.
Customer Satisfaction Score:
96% were satisfied with this product
4% of customers were not satisfied
Ratings & Reviews
Derek P.
7/19/2021
Still great, nice and bright. They are a huge improvement over the factory incandescent signals.
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Mack
5/12/2026
Optronic Lights are always the best. They are all I ever use on my trucks, and trailers.