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Fusion LED Combination Tail Light Bar for Trailers Over 80" Wide - Submersible - Red/Clear Lens

Fusion LED Combination Tail Light Bar for Trailers Over 80" Wide - Submersible - Red/Clear Lens

Item # STL264RB
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Optronics Trailer Lights - STL264RB
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20-1/2" x 1". 4-Function, waterproof light acts as brake, tail, turn, and backup light. Red lens set inside clear lens. Mounts to trailer surface - hardware not included. 4-Wire pigtail. DOT compliant. 19 Diodes. Lowest Prices for the best trailer lights from Optronics. Fusion LED Combination Tail Light Bar for Trailers Over 80" Wide - Submersible - Red/Clear Lens part number STL264RB can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Optronics Trailer Lights - STL264RB

  • Tail Lights
  • Strip Light
  • LED Light
  • Red and White
  • Surface Mount
  • 20L x 1W Inch
  • Submersible Lights
  • Optronics
  • Stop/Turn/Tail/Backup

20-1/2" x 1". 4-Function, waterproof light acts as brake, tail, turn, and backup light. Red lens set inside clear lens. Mounts to trailer surface - hardware not included. 4-Wire pigtail. DOT compliant. 19 Diodes.


  • Low-profile trailer tail light serves 4 functions on trailers over 80" wide
    • Stop light
    • Tail light
    • Turn signal light
    • Built-in backup light eliminates the need to cut holes in your trailer for 2 lights
  • Sonically sealed, waterproof housing and lens unit is submersible
  • Durable surface-mount technology (SMT) construction of LED circuit board
    • Better withstands shock and vibration
    • Allows for improved heat distribution
  • LEDs make great replacements for incandescent lights
    • Last 50 times longer
    • More efficient - provide brighter light with less power output
    • No bulbs to replace - no brittle filaments
  • Durable polycarbonate lens and housing
  • Red lens set inside white lens with red and white LEDs
    • Red lens with red LEDs for tail light
    • Clear lens with white LEDs for backup light
  • Compatible with 12V DC systems
  • Surface mounts to trailer - hardware not included
  • 4-Wire pigtail
    • White wire for ground
    • Brown wire for backup light
    • Red wire for brake light
    • Black wire for tail light
  • DOT compliant
    • SAE compliant for trailers over 80" wide


  • Overall dimensions: 20-1/2" long x 1" tall x 3/4" deep
  • Number of diodes: 19
  • Power draw at 12.8 volts:
    • Stop/turn signal light: 0.265 amps
    • Tail light: 0.24 amps
    • Backup light: 0.3 amps
  • Wire functions
    • Black: tail light
    • Red: stop/turn
    • Yellow: backup
    • White: ground
  • Lifetime warranty on LEDs

Optronics STL264 Series Fusion Thinline LED Combination Tail Light Diagram

Sonically Sealed, Waterproof Trailer Light

The waterproof construction of this light makes it ideal for use on trailers that may be submerged, like a boat trailer. The housing and lens are sonically sealed together to create a single unit, which means that water will not get into the light and damage the diodes or circuit board.

Surface-Mount Light

Surface-mount trailer lights install using a flange or bracket with mounting holes. These lights lay flat against the trailer surface and only require a small, often pre-existing hole, for wiring. Mounting hardware is used to secure the light to the trailer.

STL264RB Optronics Fusion Thinline LED Combination Tail Light Bar for Trailers Over 80" Wide - Submersible - Stop, Turn, Tail, Backup - 19 Diodes - Red and Clear Lens

California residents: click here

Video of Fusion LED Combination Tail Light Bar for Trailers Over 80" Wide - Submersible - Red/Clear Lens

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Optronics Fusion LED Combination Tail Light Bar Installation

Hi there, trailer owners. Today we're going to be taking a look at Optronics Fusion LED Tail Light Bar.They're available with either a clear lens and red LED, or with the red lens, like we have here.I would also recommend that you pick up Optronics's chrome bezel for the Fusion LED Light Bar. This is going to encase the light to help protect it, as well as giving it a nicer look when it's installed.What I really like about this light is that it's a combination light that has all of your lights in one nice little assembly. It makes it much easier to install, and it's long, large size will make it stand out behind your vehicle when going down the road, so you can be sure that people behind you can see your intentions.Of the lights that it has available, includes a tail light, which is going to be your dimmer red lights, a brake and turn signal light, which is going to be brighter red lights extending all the way down, as well as a backup light, which is a nice little addition to your trailer, particularly if you have a trailer like we do here, where we have a lot of gear stacked up high, so it's hard to see behind you, and the backup lights on your truck really aren't going to do you much good because you're blocking all that light. We can now get that light back here and be able to see what we're doing at night, backing up.The light measures 20 and a half inches long by one inch wide and three-quarter inches deep. Inside we'll have 19 LEDs providing us with our lights.The tail light assemblies are sonically sealed so they're going to be completely water tight, so they're also going to be great for marine applications.These lights make a great upgrade from incandescent to LED, as LEDs typically last much longer than incandescent lights, and they also draw less power and run cooler.

They'd also be great to add on, like we are with our trailer. We're not replacing any lights, we're just adding more light on to it to make sure people can see our intentions when going down the road. And these are pretty big, so they should stand out real nice at night.We've currently got ours installed on a utility trailer here, but this'll make it easy for everybody behind us to see as our old lights here we're pretty hard to see, especially with all the gear we've got piled on it.They'll work great, especially on larger trailers that are 80 inches or wider, as well as enclosed trailers, which our customers have reported work fantastic on those.It features extra-small, surface-mount LEDs attached inside. There's only four wires coming off of it and two screws that hold it in, so it's an extremely easy install. Let's go over that together now.To begin your installation, you'll first want to chose the location on your trailer where you want it to be mounted.

We're going to be mounting ours vertically, so it's going to be sitting in this position.Once you've got that location chose out, you want to mark the spot for your screws that's going to attach it. We've already got those marked out there and there. You can use this as a template by setting it up there and just taking a paint stick to mark the holes, and then you can either drill those or just mark those. I've gone ahead and drilled them. I drilled them slightly small so that way, they'll work with the self-tapping screws.

Self-tapping screws do not come with these lights. You will have to provide your own.Now, if you're replacing a light, you may already have an existing hole with your wires there. If you are adding a light, like we are, we had to drill out a hole for our wires to hide in behind the light. We used a half-inch drill bit to drill out the hole.The wires that are routed up here are our trailer wires, and we have our wiring that's a little bit different than your standard wiring. Our green wire here is the right turn signal.

The brown wire is the tail lights. White is ground, but on this side instead of yellow being the left turn signal, our yellow wire is hooked up to the reverse light circuits.We're now going to connect those to our light. You'll now want to strip back all of your wires, so we're going to strip back the ones here on our trailer side, and then we're also going to strip back all the wires coming off of our new light. They do come pre stripped, however, I like to have a little more stripped off. And now we can start making our connections.I'm going to start by attaching butt connectors to each wire on our trailer side. We're going to be using heat shrink butt connectors. This will keep out any moisture to ensure a long-lasting connection. You can pick those up here at etrailer.com.Now, we'll connect all of our trailer wires to the wires coming off of our lights. We have four wires coming off of our lights. The yellow wire is going to be your back up wire. The red wire is going to be your stop and turn signal wire. The black wire is your tail lamp wiring, and the white wire is your ground wire. We're going to make all those connections now. You want to keep in mind that the yellow wire here is hooked up to the reverse lights on this particular trailer, but yellow is typically not the color wire you would see hooked up to your reverse lights. Typically, you would either see blue or purple for your reverse wire. Yellow is commonly the driver side brake and turn signal wire color, so you just want to make sure you test your wires before you connect them.Now that we've got them all connected, we're going to use a heat gun to shrink down all of our butt connectors.We'll now attach our light to the locations that we had marked out. If you had drilled holes down a tube, you may need to push your wiring down. If it was just on the backside of like an enclosed trailer, they would be on the inside, and you zip tie those out of the way, keep them up nice and clean. We're just going to be feeding ours down in this tube, and then we'll attach it using our self-tapping screws.You'll now repeat this exact same process on the other side. You do want to keep in mind that they come as a quantity of one, and the bezels are not included, so if you're going to be doing like our trailer here, we're going to install one on each side, you will need to purchase two, as well as two bezels.With them all the way installed, now let's go ahead and hook it up to our vehicle and test them out.We're now hooked up to our trailer. We want to make sure that we have our tail lights, our turn signals, our brake lights, as well as our backup lights. And with everything working properly, we're ready to clean up our wiring with some zip ties and hit the road.

Customer Reviews

Fusion LED Combination Tail Light Bar for Trailers Over 80" Wide - Submersible - Red/Clear Lens - STL264RB

Average Customer Rating:  4.9 out of 5 stars   (1797 Customer Reviews)

20-1/2" x 1". 4-Function, waterproof light acts as brake, tail, turn, and backup light. Red lens set inside clear lens. Mounts to trailer surface - hardware not included. 4-Wire pigtail. DOT compliant. 19 Diodes.

- STL264RB

Wonderful product for an even better pr ice. 706418

- STL264RB

Great produc ty. 730148

- STL264RB

After owning these lights for just over a year they are still in excellent condition I'm very satisfied with my purchase 602503

- STL264RB

Arrived in good condition. Excited to see it in operation. Will mount soon on my Ranger bass boat trailer. 560222

- STL264RB

I purchased the Obtronics STL264RBLED light as part of a LED upgrade plan for my enclosed utility trailer. I am using the light for both running and brake light function at the top of the trailer. etrailer expert Adam R recommended I use the 118158 vehicle-to-vehicle tail light converter to prevent the turn signal feature from interacting with the brake light function. The etrailer staff and I talked several times about potential incompatibility issues of the LED bulbs with the Can Bus circuitry found in new vehicles. Between etrailer and the light manufacturer, I feel confident the light fixtures I purchased will function without concern. 469709

- STL264RB

Great 901699

- STL264RB

Look very good, really like the integrated reverse lights, nice and bright. 870678

- STL264RB

Looks good, exactly what I was expecting, can't wait to install them 868403

- STL264RB
by: 08/06/2020


- STL264RB

easy to use website reasonable ship ti mes 844905

- STL264RB

I put the lights on the back of my RV trailer. I now feel safe as I know that my brake and turn lights can be seen. 827729

- STL264RB

I love these lights and get a lot of compliments. They were easy to install and are very bright!! 778982

- STL264RB

Excellent communication and fast shipping. I had a last minute need to replace a light for a trip, etrailer got the order processed and shipped right away. Lights received in good condition - all good for the trip. 740148

- STL264RB

Well I haven't had them long enough to review their longevity, but based on the installation and initial thoughts, these were a great choice for replacement taillights on my Utiline Dodge (Stepside to the Chevy lemmings). 737673

- STL264RB

A wiring diagram would be nice ! Red wire is for what ? The black wire is for what ? A diagram would be very helpful . I would not want to burn new lights up ! 722879

According to our product page: White wire for ground, Brown wire for backup light, Red wire for brake light, and Black wire for tail light.
-- Victoria B - 11/06/2019


- STL264RB

Great product! Very bright. Easy to mount and wire. 691635

- STL264RB

Bought 4 stacked 2 on top of each other and placed o. Flatbed truck. They work awesome, very bright. Bought some small resistors from [online retailer] to cure the hyper flask. Best deal I found that had the reverse lights made in with them. 680725

- STL264RB

Another great product and price, thank you! 668867

- STL264RB

I just received the shipment and everything looks good. I haven't installed anything yet but I expect no issues. Shipping, while perhaps not as fast as say that big box website, is consistently fast enough with excellent communications from etrailer and predictable tracking info. This is our second order from etrailer and almost certainly will not be our last. Very good people to work with. 658111

- STL264RB

Fast order processing, great pricing, and good email followup/tracking! 645204

- STL264RB

I ordered these lights for the back of my travel trailer. Going slower than most traffic, I'm concerned with being rear-ended. I'm purchased these lights to make my camper more visible. eTrailer. Com have provided great, quick delivery for all of the products I have purchased from them. I will certainly continue to do business with this company. 642439

- STL264RB

Easy to install once I found the wiring in the trailer. Mounted these lights higher than the originals on the trailer. It will be much more visible now. 639629

- STL264RB

I have four wires. Probably I can figure out how to wire up the lights, but a brief set of instructions would be nice. 629615

Heres the color code: White wire for ground Brown wire for backup light Red wire for brake light Black wire for tail light
-- Mike L - 04/17/2019


- STL264RB

They are excellent and they work great. Very bright. 602185

- STL264RB

Great lights. Bright as can get but wish the back up leds were a little brighter and a bigger section of white lights 600649

Show More Reviews

Ask the Experts about this Optronics Trailer Lights

  • Availability of Clear Lens Fusion LED Combination Tail Light
    Yes, we do offer the part # STL264RCB that you referenced which is basically just the all clear lens version of the part # STL264RB.
    view full answer...
  • How to Wire Optronics LED Stop/Tail/Turn/Back-Up Light STL264RB For Tail and Stop Lights Only
    The Optronics LED Thinline Stop/Tail/Turn/Back-Up Light # STL264RB is a high-efficiency LED-type multi-function trailer light that you can install for the specific functions you want. The light has 4 pigtail lead wires: white is ground; red is brake light; black is tail light; and yellow is turn signal light. Since you need only the brake and running light functions in your application you will use the white ground wire, of course, and the red and black wires. You will also need Vehicle...
    view full answer...
  • Installing Fusion LED Combo Tail Light Bar # STL264RB on RV with Separate Wiring System
    Both the turn signal and brake light wire on your RV can be spliced directly to the stop/turn signal light wire on the Fusion LED Combination Tail Light Bar # STL264RB but the bar isn't going to function perfectly. This is because when braking and turning at the same time, the brake light is going to override the turn signal so that the bar remains constantly lit instead of blinking in this scenario. If you are okay with this then the light bar will work well. Otherwise you will...
    view full answer...
  • Submersible LED Taillight Bar For Trailers
    The Fusion LED Combination Tail Light Bar for Trailers Over 80" Wide - Submersible - Red/Clear Lens Item # STL264RB is going to be one light. You can also add Chrome Mounting Bezel for Optronics ThinLine Combination LED Tail Light - 20-1/2" Long Item # A64CRB to help customize the look.
    view full answer...
  • How To Wire a Trailer Tail Light with Yellow, Black, Red, and White Wires
    The best way to find out what each wire is for on your tail light is to take a 12 volt power supply and apply that to each of the wires to see which bulb it illuminates. I cannot really give you an exact function for each color as it could vary from manufacturer to manufacturer. With that being said, we have the Fusion LED Combination Tail Light Bar part # STL264RB which contains white, black, red, and yellow wires. The functions of these colors on this lights are as follows. This may...
    view full answer...

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Info for this part was:

Expert Research:
Jameson C
Expert Research:
Adam R
Video Edited:
Jacob T
Video Edited:
Chris R
Video by:
Dustin K
Installed by:
Cole B
Installed by:
David F
Written by:
Anna W
Updated by:
Brian T
Updated by:
Hannah L

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