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The red GloLight stands out with its signature halo design that looks sharp and keeps you visible day or night. The outer ring glows as a tail light, while the center brightens for braking and flashes for turning. With 21 LEDs behind a red lens, it gives off a crisp, even light that’s easy to see from any angle. It draws just 0.145 amps for the tail light and 0.375 amps for the stop/turn function at 12.8 volts, so it’s energy-efficient while delivering serious brightness.
If your trailer ever meets wet roads or boat ramps, this light is built to handle it. The polycarbonate housing and tinted acrylic lens are completely sealed, keeping water out and protecting the LEDs inside. That means no fogging, no shorting, and no corrosion—just reliable lighting even after repeated submersion.
Mounting is simple thanks to the built-in flange that sits flush once you cut a 4-1/2" hole in your trailer. The surface-mount design gives a clean factory look without extra brackets or adapters. Wiring is just as straightforward—the standard PL-3 connector works with common 3-prong plugs like the A45PB or A47PB (sold separately), so hook-up takes minutes.
This light is made for years of use without the hassle of replacing bulbs. LEDs are more efficient and durable than incandescent lights, and Optronics backs them with a lifetime warranty. At 5-1/2" in diameter and only 1-1/2" thick, it’s a snug, low-profile fit that does its job quietly but makes sure you’re seen clearly every time you hit the road or ramp.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today were looking at part number STL101RFB from Optronics. This is a 4 round glow light, LED stop turn taillight with a flange mount. You have a perimeter band of red LEDs and that will be your tail light. In the center you have a grouping of LEDS that will be your brake light turn signal. This light has a red polycarbonate lense over all the LEDs that is sonically sealed and waterproof. The light uses surface mount technology which protects the LEDS from moisture, shock, vibration, and bumps, and it allows for thinner construction.
On the back you need a 3 prong standard plug. If you do not already have one, then you will need to purchase this part which is sold separately. This is the Optronics Right Angle 3 Wire Pigtail plug. Its Part Number A47PB. Were going to put that in the light.
Now its in there nice and tight. There you go. If you need it, theres also a mounting bracket available. This is the Optronics Mounting Bracket for 4 round taillights. Its sold separately as Part Number BK45BB. It fits right on the built-in flange mount like that.
That looks nice. We do have a portable power source here today, so I can show you how this light shines. The first wire Im going to connect to the power source is the ground wire. Thats the white wire with a ring terminal. As you know, ground wires should always be installed on a clean, unpainted, metal surface.
The red wire from the 3 wire pigtail is your brake light and turn signal. And finally the black light on the pigtail is your tail light. Now that weve got these hooked up to our portable power source, we can turn off our overhead light. I will turn on the power, and you can see your tail light. This will get a little brighter when you depress the brake pedal and that will look like this. Theres your brakes, and heres your turn signal. We can turn our lights back on. This light has a 4 diameter. Thats the light inside the flange. It is 1 1/4 thick. Theres a lifetime warranty on the LEDs and a 3 year warranty on the housing and wiring. There you have it for Part Number STL101RFB the Optronics 4 Round Glow Light LED Stop, Turn, and Tail light. .
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
This is a quality product and worked pe rfectly
Fast delivery and you get what you purc hased.
Great
!!!!!!!!!!!!!!!!!!!
Work Great.
These lights fit a Ranger boat trailer for a 2017 Ranger 620FS
Great quality very bright and extremely pleased with product. Very slim design will fit perfectly for my camper rebuild...can't beat the LED's
Was not happy with the packaging. GloLights were not packaged, just placed loose in the box with other items. One piece of brown paper in the box for a void filler. Lights were scratched up when arrived.
Great customer service on returned item.
Great product and direct replacement!
Product was exact replacement needed at a reasonable price and arrived when expected.
Worked great !!
Lights were exact match to what was on my trailer. Very quick delivery. Would not hesitate to order from etrailer again.
Great product. It is worth the price for a very well made and unique looking unit. I prefer these lights with the flange installation over the standard rubber grommet type installation. They are much more secure. Great website with extensive specifications and photos let me choose exactly what I needed. A+++
Exact replacement for tail lamps on a R angertrailer
I needed to replace boat trailer light for a tournament. The product was easy to find and the shipment got to me sooner than expected. I will definitely use etrailer for all of my needs.
etrailer extremely helpful & knowledgeable about the products they sell. very good about getting them to you . will order from Katie at etrailer again.
good company to find harder to find tail lights. only ding is they didnt package mine real good only put paper stuffing on top not on bottom or sides did cause some scratching on lens. other than that it would be 5 stars.
Put on customers trailer he's not returned to complain so they must work. Have the same on my tow dolly and they've lasted 8 yrs.
Amazing upgrade from the old metal lights even with led replacement bulb in the metal cans. One video is the halo tail lights installed, the other is chasing a ground issue with the old lights for comparison.
I like the Sets of Lights I got from you very much. I put them in my '53 International Pickup I was restoring. I attached some pictures. Feel free to use them for advertising/promoting. Thanks.
Had what I needed and the trim to go with it. Arrived quickly.
The light is a match for my camper. I just wish it had wires to coonect to the light vice clips.
Light was exactly what I needed. Came out of the box in excellent condition with grease on the connectors for easy install and water protection. Replaced my burned out light and it worked perfectly.
I upgraded the tail lights in addition to the back up lights. The old lights were incandescent bulbs and weren't really that bright. These new LED tail/brake/turn signal lights are much brighter so hopefully folks behind me will have an easier time figuring out what I'm trying to do while going down the road. Make sure you order the right pigtail connector when ordering the light! I failed to do that which slowed this project down by a few days.
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Brooke M.
8/30/2023
That really bites, to say the least! No one wants brand new, scratched lights. I will send your information to our customer service team and they will be reaching out to you.