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Switching to LED lighting makes a big difference in brightness and reliability. This 3-7/16" round Peterson light uses a single red LED that lasts up to 50 times longer than an incandescent bulb and only draws 0.06 amps at 12V. With no filaments to break or bulbs to replace, it gives off a clean, bright light while staying energy-efficient and low-maintenance.
Keeping your trailer visible means fewer parts to install and maintain. This light has a built-in reflex reflector, so you don’t need to add a separate one to meet DOT requirements. The lens has that classic incandescent style, but the integrated reflector handles both lighting and reflection duties in one compact, clean setup.
Moisture sneaking behind the light can lead to corrosion or shorts, but this surface-mount design uses an included foam gasket to help create a weathertight seal. Once mounted with its built-in flange, the light sits flush against the surface for a solid fit that stays put through rain or road spray.
Installation doesn’t get much easier. The light mounts flat on the surface using standard hardware (not included) and connects through an industry-standard 2-wire plug—one power, one ground. No special tools or adapters are needed, so you can quickly upgrade your setup without rewiring or cutting into your trailer body.
When you want dependable side or clearance lighting, this P2-rated light does exactly that. Its 90-degree beam pattern (45 degrees each side of center) shines bright straight on where it’s needed most. That focused visibility helps other drivers see your trailer clearly from the front or rear corners, adding safety without glare.

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Jeff: Hello everybody. This is Jeff at etrailer.com. Today, we're going to take a look at this LED round trailer clearance or side marker light with the reflex reflector and the red lens. Now this is a small round trailer light, which will serve as either a clearance or side marker light. It is great for chassis applications. The outer ring here has a nice built in reflex reflector, which will eliminate the need for a separate reflector.
And the LED will make a great replacement for incandescent lights because it'll last fifty-times longer. They're more efficient because they'll provide brighter light with less power output, and of course no bulbs to replace no brittle filaments to break. It is in a nice durable polycarbonate base with an acrylic lens. It is a red lens over a red LED. It is compatible with twelve-volt DC systems.
And at the end of this video, I am going to hook this up to some twelve-volt power to show you how bright the light is.The slide is designed to mount on the surface of the trailer with the built-in flange. Now the hardware to install, this is not included, but it does include this foam gasket, which will help create a nice weather tight seal when you install it. You can see on the back, it does accept the industry standard two prong plug. It is a P two rated light. So produces a ninety-degree beam pattern.
And the slide is made in the USA. A few measurements on this. Overall diameter, from this side to this side, it'll be right at three and a half inches. Depth of it is right about one inch deep and the light face, which is the center portion where the LED is, it's going to be right at two and a half inches. Power draw at twelve volts on this slide is 0.06 amps.
Operating voltage range is nine volts to sixteen volts. So what we're going to do now, go ahead and hook up some power and we'll take our ground and we'll go ahead and hook up our ground.And with both of those hooked up I'll go ahead and turn on our twelve-volt power and you can see the LED light up. We'll go ahead and turn off the overhead light, and there's your bright LED light. The red lens, you can see as I hold it back, it gives you a ninety degree beam pattern so it is a P two rated light. Very bright light for one LED. Turn back on our overhead light, turn off our power, but that should do it for the review on the LED Brown trailer clearance or side marker light with the reflex reflector and the red lens.
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Gregory
7/25/2022
Lights are great. No issues.