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Peterson Great White LED Mini Utility Light - 1 Diode - Black Housing - Clear Lens

Peterson Great White LED Mini Utility Light - 1 Diode - Black Housing - Clear Lens

Item # M290
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Peterson Trailer Lights - M290
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3" x 1-1/16" x 5/8". Low profile utility light provides bright white light. Great White series features custom-cut lens optics and ultra-bright white diode. Surface mount to trailer with included hardware. 2-Wire design. Lowest Prices for the best trailer lights from Peterson. Peterson Great White LED Mini Utility Light - 1 Diode - Black Housing - Clear Lens part number M290 can be ordered online at or call 1-833-496-1390 for expert service.
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  • Reviews (25)
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Peterson Trailer Lights - M290

  • License Plate Lights
  • LED Light
  • White
  • 3L x 5/8W Inch
  • Surface Mount
  • Peterson

3" x 1-1/16" x 5/8". Low profile utility light provides bright white light. Great White series features custom-cut lens optics and ultra-bright white diode. Surface mount to trailer with included hardware. 2-Wire design.


  • Low profile utility light provides bright white light
  • Great White series features custom-cut lens optics and ultra-bright white diode for increased light output
  • 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 black plastic housing
  • Clear lens over white LED
  • Compatible with 12V DC systems
  • Surface mount to trailer with included hardware
  • 2-Wire design includes power lead and ground wire
  • DOT compliant
  • Made in the USA


  • Dimensions: 3" long x 1-1/16" tall x 5/8" deep
  • Distance between mounting holes (center on center): 2"
  • Diodes: 1
  • 10-Year limited warranty

Peterson M290 Great White Single Diode Utility Light Dimensions

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.

M290 Peterson Great White LED Low Profile Utility Light - 1 Diode - Black Housing - Surface Mount - Clear Lens

Video of Peterson Great White LED Mini Utility Light - 1 Diode - Black Housing - Clear Lens

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

Video Transcript for Peterson Great White LED Mini Utility Light Review and Installation

Hi there, safety-conscious haulers. Today we're going to be taking a look at Peterson's surface mount led light for your license plate. We've gone ahead and turned out the lights so you can see what it would look like at night. And our license plate light is clearly illuminated so people behind us will be able to see it. And this is especially important to ensure that you don't get pulled over, as this is required in most states or else you could receive a citation. This is what our license plate light is going to look like when it's installed.

It's a very small, low-profile flush-mount license plate light, so it's going to be great on just about any trailer. The small size of it is really nice because you can add it into a lot of different locations where maybe you couldn't fit other ones. You can see here we've got multiple lights here on this back section, so we are kind of limited on the size that we could fit here.I also like that it's so small and flush-mount, if this is a work trailer, things like that, some of the larger ones, you have the opportunity to accidentally bump it and break the light. Where this is being nice and flush mount, the chances of you hitting it and damaging the light are greatly minimized. It uses one ultra-bright white led to illuminate your license plate light, and this will keep you DOT compliant in all states.

To help you determine where it's going to fit on your trailer, the holes are two inches apart, so two inch from center to center. The light measures three inches wide by 1 1/16 inch tall, and it protrudes out about 5/8 of an inch since it is a surface mount light.You can see here why we're going to be replacing our old license plate light. It's filled up with water, it's broke off, and it's just not functioning like we need it to. So we can go ahead and disconnect our old one. Now, depending on your old one, it may be hardwired in or it may have a connector.

The one we have here does have a connector that holds it on, so we're going to disconnect it, and then we're going to take out our new light. Now, our new light doesn't come with a connector attachment on the back, so we are going to have to replace this so we can hard-wire it. So what we're going to be doing is we want to make sure we've got it pulled all the way out if we can. If you have more accessibility, then it's not a big deal, but if yours is in a channel like this, we need as much as possible to work with. And since we have such short wires there, we are going to be cutting it as close to the connector as possible.Now, we did pull the light out next to the side here so we could access the wires behind it, because the hole here that our wires pass through is too small to fit any butt connectors through.

So we can't wire it on this side and then pass those back through. Another thing that I noticed when I slid the wires through for the light to wire it up, is that the hole is so small that the light will not sit flush against the trailer. So we are going to remove the grommet and make the hole a little bit larger, so that way our light can sit flush. Now, depending on the size of the hole on yours, you may not need to enlarge it, but we're going to use a 7/16 drill bit to ensure that our wires can pass through.And now we can pass our wires through and you can see here that it sits nice and flush up against the trailer, which is what we're looking for. We're going to go ahead and mount it up now, now that we've got everything passed through. The hardware that it comes with is these two screws here, and these are really for if you've got plastic inserts for it to thread into or a different type of material, these will work great. Another option you have to get it mounted, rather than using the self-tappers, you could just hold it up here, drill out the holes and then use nut and bolt. I've gone ahead and mounted it that way so you could see what it would look like. This way is going to be a little bit more secure and you can find better hardware that will sit down in the holes better than with the self-tappers.We can now strip back both the wires that come on the back of our light, and if we had to cut the old wires we'll want to strip back our old wires. We'll then use a heat shrink butt connector to attach the wires. If you need any shrink butt connectors, you can get those at here. We're then going to wire the wires. Now, they are both black but it does matter which one goes where. If you are looking at the back of your light, the one that is on the right is going to be your positive wire. Nowhere on it is it labeled, but that is going to be your positive. So we're going to take that one and we're going to crimp on a butt connector to it, and then we're going to hook that to our positive wireWe're then going to hook up our ground, which is the other black wire coming off of the light. And you could either butt connector this, like we are here, to your existing ground wire that you have on the trailer, or you could just put a ring terminal on it and use a self-tapper to run it into the frame. We're going to be hooking ours back up to the existing ground. We chose the heat shrink because once we seal them down with our heat gun here, it will keep out any dirt, debris, and moisture, ensuring a long-lasting connectionNow, before we put our lights in back in and everything, it's a good opportunity now just to test it out to make sure it's all working. You can do this by plugging your trailer into your truck and turning your tail lights on, or by using a tester. We're using a tester, we've got them on, and we can see it's working properly, so we're going to go ahead and button up the rest of the install there, cleaning that tail light and wiring back up. With everything back in place, we're all set.

Customer Reviews

Peterson Great White LED Mini Utility Light - 1 Diode - Black Housing - Clear Lens - M290

Average Customer Rating:  4.8 out of 5 stars   (25 Customer Reviews)

3" x 1-1/16" x 5/8". Low profile utility light provides bright white light. Great White series features custom-cut lens optics and ultra-bright white diode. Surface mount to trailer with included hardware. 2-Wire design.


Works great


Good amount of white light projected directionally, great for license plates, steps, etc.

I used this for a camper license plate light its bright as well as for two foot-lights, one installed below the entry door on each side, pointed downward to mark the step into the camper. They work well.
Patrick C - 08/18/2021


Perfect for my application to light up trailer winch area.


I was looking for a small, low profile license plate light and this one fits the bill.
Ample down lighting with no glare from the rear. Works as expected.

One year follow-up: still works great!
Jim B - 04/15/2021


Very good light! And inexpensive! It’s helpful that it directs the light downward


This is a very nice product. I have purchased 3 of these. Excellent design and great looking product. You cant go wrong with this item if your needing a low profile light.


It still works.


Great small led light. I used it for the stair well in my coach


Part is well made and the service as usual was excellent


Very nice light. Small and compact


Great for night light application at foot of camper door.


Great products and quick delivery. All the lights fit even better than expected


Works as intended






Worked out great on the RV


Looks good mounted but have yet to wire it and try the actual light. Seems to be good quality though.


Great light, easy to mount, not polarity sensitive, and bright enough to illuminate the license plate.









See what our Experts say about this Peterson Trailer Lights

  • Does Peterson M290B-P License Plate Bracket/Lamp Need Removal to Install License Plate
    You will indeed need to remove the assembly in order to install your license plate, as the bracket isn't flexible enough to bend without breaking. You can see a product description video featuring the # M290B-P license plate bracket/lamp by clicking the provided link.
    view full answer...
  • Is The LED Trailer Tail Light 328-003-6019R A Passenger Side Or Driver Side Tail Light?
    The LED Trailer Tail Light with Reflector - Stop, Turn, Tail - Submersible - Red Lens # 328-003-6019R you were looking at is designed to be used on both the driver and passenger side of a trailer, but this style of light does not have a built in license plate light that normally differentiates a driver and passenger side light. Instead you will need to install a stand alone license plate light like the Peterson Great White LED Mini Utility Light - 1 Diode - Black Housing - Clear Lens #...
    view full answer...
  • Recommended License Plate Light With Bracket for Boat Trailer
    For a license plate light and bracket on your boat trailer you want to use one that is submersible like the Optronics LED Trailer License Plate Light with Bracket - Submersible - 5 Diodes - Clear Lens # LPL56CB. I would not use the # M290B-P on your boat trailer. The Optronics light has a waterproof construction and specifically designed for applications like boat trailers. The housing and lens are sonically sealed together to create a single unit, which means that water will not get...
    view full answer...
  • Compatibility Of Optronics LED Low Profile Tail Light On Drivers Side Without License Plate Holder
    Yes, the Low Profile LED RV Tail Light # RVSTLB60 is all you will need on the drivers side of your 2012 Forest River Rockwood travel trailer since the license plate has been relocated. The only difference to the Low Profile LED RV Tail Light # RVSTLB61 is the base for holding the license plate and the clear lens at the bottom of the cover for the license plate light. There is no additional wiring used with this light. Be sure that your license plate does have a light on it when operating...
    view full answer...
  • How Many Lumens And What Is The Color Temperature Of The Peterson Mini Utility Light M290?
    I spoke to both Optronics and Peterson about getting the info you need and I have it listed below. Optronics Opti-Brite LED Strip Light for RVs # ILL77CBB Color Temp: 5850k Lumens: 220 (effective) - 360 (raw) Optronics Uni-Lite LED Mini Trailer Utility Light w/ Grommet # UCL11CKB Color Temp: 5974k Lumens: 16.5 Peterson Great White LED Mini Utility Light # M290 Color Temp: 5000k Lumens: 30
    view full answer...
  • Fuse Keeps Blowing on Running Light Circuit With Incandescent License Plate Light
    There are a couple reasons why the same fuse keeps blowing for your running lights. The license plate light and your running lights are on the same circuit, so it could be the incandescent light of the license plate is overdrawing the circuit, so I do recommend changing it to an LED with the Optronics LED Trailer License Plate Light # LPL55CB or Peterson Great White LED Trailer License Plate Light # M290B-P. It could also be a simple short on the wiring, so you will want to take a look...
    view full answer...
  • Do You Carry A Lighted License Plate Bracket For a Motorcycle License Plate On a Enclosed Trailer?
    While we do not have an exact part we do have all the parts that will allow you to mount your smaller license plate to your enclosed cargo trailer. First the Trailer License Plate Mount Bracket # LP10SB will give you an attachment point for the license plate and light. This is made of a rustproof black polymer that will last. A Peterson Great White LED Trailer License Plate Light # M290C-BT2 will attach to the top of the bracket to light up the license plate. You will need to provide...
    view full answer...
  • Is the Peterson Great White LED Mini Utility Light Part M290 Submersible
    The Peterson Great White LED Mini Utility Light part # M290 is sealed so it can be submerged. I have attached some other like options for you below that are also submersible. Optronics Miro-Flex LED Trailer Utility Light part # UCL19CB Optronics LED Mini Trailer Utility Light part # UCL13CPG Optronics Thinline LED Utility Light Bar part # BUL69CB Optronics LED Utility Light part # UCL60CSBB
    view full answer...

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Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee David F
Installed by:
David F
Employee Dustin K
Video Edited:
Dustin K
Employee Daron K
Edited by:
Daron K
Employee Brian T
Written by:
Brian T

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