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Rough roads and constant bumps can take out a regular bulb fast. This light uses a Vibar socket that absorbs road shock and vibration to protect the filament and extend bulb life. Even with an incandescent 168 bulb, it stays steady and reliable when towing over uneven ground.
Installing this light is straightforward. It surface mounts flat against the trailer using standard hardware, with a 3-1/4" center-to-center spacing between mounting holes. Only a small opening is needed for wiring, and the single-wire design grounds through the mounting hardware—no extra ground wire to deal with.
For clear license plate visibility, the light uses a replaceable incandescent 168 bulb that puts out a consistent glow at just 0.35 amps on 12V DC power. It meets visibility needs without drawing much current, keeping things simple for older wiring setups or basic trailer systems.
Every part of this light is made to last. The ABS housing resists impact and wear, while the clear screw-on polycarbonate lens protects the bulb. Inside, stainless steel and tinned-brass components fight corrosion so it stays working even after years outdoors.
At just 4" long, 1-3/4" wide, and 2-1/4" thick, this rectangular light fits neatly wherever you need license plate illumination. Its small footprint makes it easy to position without blocking other lights or hardware while still throwing bright, even coverage across your plate.

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're taking a look at a Peterson license plate light. Now this unit mounts to your trailer and illuminates the license plate. It contains one incandescent bulb, bulb number is 168, and that is replaceable if and when needed. The base, which is this black portion here, this is made from a durable steel construction and it has a nice powder-coated finish on it to help resist rust and corrosion, housing, which is the gray portion, that's plastic. It's a single wire design so that your power wire and then it grounds through the mounting hardware. Mounting hardware not included.
It is department of transportation compliant. We're going to go over a few measurements real quick and then we'll hook up the power that way you can see what it looks like with some power running to it. The mount holes on the unit are separated apart from one another on center by three and a half inches. Edge to edge, the base measures 4 inches by about 1 and 5/8 inches.And then from the very back of the unit to the very front of the unit gives us an overall depth of about 2 and 1/4 inches. All right, we're going to go and hook it up the power.
We'll also turn off our overhead light so you can see it in a low-light setting. So here you can see the light sends out a nice consistent signal. Again, we have light that shines at a downward angle, which will illuminate a license plate mounted directly below this light. And it contains a total of one bulb, and again that is an incandescent bulb that is replaceable. One more time, bulb number is 168.
That's going to do it for today's look at the Peterson license plate light.
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
Was as described would buy from again
Same as original, perfect fit
Everything that I ordered came in good shape and was easy to install.
As advertised
Exactly what I needed to replace the broken one.
has performed just fine.
Repeat customer, very satisfied with products, prices and promptness of delivery.
Fast service, great service, and A GREAT PRODUCT!!
THANKS
It works great! The product arrived on time and in good condition.
Had looked hard to find this replacement. This worked well.
Broke my light on my trailer and this one works great and the price is right.
THE PRODUCT WAS EXACTLY WHAT I WANTED, AND THE DELIVERY WAS EXPEDIENT!!
I WOULD BUY FROM THIS COMPANY AGAIN WITH NO RESERVATIONS!!

Bob K.
7/27/2016
EVERYTHING IS OKAY!
Great product for the price & super fast shipping
Great product. Great customer service. Great follow up
great customer service ,parts as ordered. Quick shipping
The license plate light arrived several days earlier than I expected. Exactly what I needed fit perfectly. I would order any additional supplies from etrailer.com
This is exactly the same product as my old one that was on my Horton horse trailer, I just have to get someone to hook it up as I am not a electrician. I don't want to mess anything up.
Thanks for the product
Wish it had a pig tail or at least a few inches of wire out the back with a chaffing sheath.
Direct replacement for the factory installed license plate light on my 20+ year old trailer - I was really worried about finding the correct replacement parts but etrailer.com had everything I needed. The ordering process was a breeze and my order arrived quickly
The light I received was missing the white ground wire that appeared in the product photos. I jury-rigged by grounding to the metal connector plate inside. Works. Mounting holes didn't line up to my original but wasn't surprised. Just had to drill a couple holes.
The license plate light arrived in great condition, packing was very secure. It was just as advertised. It was exactly like my old light which was original equipment on my motor home. Fit was perfect. Thanks !

Fred L.
9/8/2017
Its still working fine and looks like new.
Nice replacement light fixture. Thought I had a bad ground and it turned out bulb was bad. Looked good but should of replaced it before I spent hours looking for bad ground.
The product was ok, typical modern cheap made, it just what our standards are i suppose. The customer service was great, helpful, easy to order. The only real complaint i have is they use USPS, i dont remember if it gave the option to use another shipping company or not, but here lately USPS is terrible, takes a lot longer to receive through USPS. To the point that if there is not an option to choose another shipper, id likely buy someplace else. It blows my mind when they tell me that it can take up to 14 days, 14 DAYS, REALLY? I have placed orders on items in the UK in less tine than that.
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Douglas
12/6/2023
Lights work well, very high quality, still happy with the purchase.