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When your old light fails or cracks, this one drops right in. The Custer 6-1/2" x 2-5/16" oval design uses a standard recessed mount and accepts an industry-standard 3-prong plug, so it connects without rewiring or drilling. It’s DOT compliant and built to take the place of older incandescent tail lights—just plug it in, mount it, and you’re back on the road with working stop, turn, and tail functions.
Moisture can ruin bulbs fast, but this tail light is built for it. The sealed housing and lens form a waterproof unit that keeps water from reaching the bulb or circuitry. It’s made for use on trailers that may get submerged, so whether you’re loading at the ramp or driving in heavy rain, the internals stay protected and working.
Visibility matters when braking or signaling. This light’s red lens shines bright through its incandescent bulb, clearly marking your trailer for drivers behind you. It’s compatible with 12V DC systems and delivers all three critical functions—stop, turn, and tail—in one compact oval assembly that looks clean once mounted.
With its recessed setup, this light sits flush instead of sticking out where it could snag or get bumped. It fits neatly into a grommet (sold separately) and measures 6-1/2" long x 2-5/16" tall x 2-1/2" thick. That tidy profile helps protect the light while giving your trailer an OEM-style look.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi, everyone. Aiden here at etrailer.com. Today, we're gonna be taking a look at and showing you how to install this Custer Trailer TailLight. Now this is gonna be an incandescent taillight. So there are plenty of LED options that I would maybe personally recommend on our site to check out. But, this is gonna give you all your standard functions.
We've got our running light on right now. We're also gonna get our turn signal and our brake lights here. It is pretty bright. So I think visibility isn't going to be an issue at all with this. I just prefer the LED for the efficiency.
And just the overall, long lasting nature of them. The outer length is going to be a nice durable impact resistant material. It's good to know. It'll at least last a long time on the road, being out in the elements. It does actually feel a bit warm to the touch right now.
Again, another drawback of incandescent is just it gets heated up a lot quicker. LEDs will run significantly cooler. But that is just something to keep in mind. Everything on here is sealed and waterproof though. So, this is completely submersible.
If you do have plans to put this on a boat trailer, you won't have to worry about any sort of water intrusion, with it being in and around water. And the install for this is going to be pretty straightforward and simple. Check out how we did it. We'll start our installation off by removing our old light. The one we have here is just attached with this grommet piece here. So I'll get a plastic trim panel tool, and use that to pry up around the edges, until we can get that out of the housing here on the trailer. Kind of working our way around, like this. Once we have it removed, we can come around back to our PL3 plug and unplug it. And then go and grab our new light. So this is how we're gonna get your light. Doesn't have any method for mounting it right out of the box. So you will need to pick up something, like this rubber grommet. We can just slide the housing of the light into the grommet. Kind of push it into place. You can see on the back here, that this is actually what's holding it in place. It's kind of overlapping a bit. And we've got our PL3 plug. You just plug that into the male end on our trailer here. If you don't have this already on your trailer, you can pick up that plug on our site as well. Hard line it into the trailer. And then you've got it for the plug and play light here. So, we'll insert that into place. And once you've got it plugged in like that, we can just tuck all the wiring back in here. And we can pop the light and grommet into place. I usually like to start at the top or bottom and kind of feel that seep in there. And you can just work your way around the whole thing. With everything plugged in and attached to the trailer, we can test our functions. Starting with our running lights. Our turn signal. And our brake lights. Once we verify that all of those are working as intended, we can go ahead and hit the road. And that'll do it for our look at and installation of this Custer Trailer TailLight. Thanks for watching..
Ratings & Reviews
I had excellent service and I received the part I ordered within a week. It’s a good place to order trailer parts
Easy order for my quality replacement trailer light!
Didn't come with plug. Really only needed the plug and ordered the light as a spare.
Great service through delivery. Easy to install, worked great.
Just like new
I had one fail within a year. Lens was full of water and inoperable.
Great parts, glad you carried it!
Excellent. Fast shipping and everything installed and works like they should.
I had one light fill with water in less than 6 months. I would not recommend for boat trailers.
etrailer service was excellent in getting me replacement.
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Jenny N.
11/2/2022
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