bing tracking image
  1. Trailer Lights
  2. Peterson
  3. Tail Lights
  4. Kit
  5. Incandescent Light
  6. Red
Peterson Light Kit for Trailers Under 80" Wide - 20' Harness - Driver and Passenger

Peterson Light Kit for Trailers Under 80" Wide - 20' Harness - Driver and Passenger

Item # M540
lowest price pledge
Retail:$43.95
Our Price: $35.90
You Save: 18%
Trailer Lights
Orders above $99 qualify for Free Shipping
Shipping Weight: 2 lbs
Quantity: 
In Stock
M540 - Red Peterson Trailer Lights
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

In Use/Installed

Customer Photos

Need help with installation?
Locate installers near me
4-3/4" x 4-1/2" Square. Incandescent trailer light kit provides all legal lighting and reflectors for trailers under 80". Includes combination tail lights and side markers. Stud mount with included hardware. 20' Harness. PC rated. Lowest Prices for the best trailer lights from Peterson. Peterson Light Kit for Trailers Under 80" Wide - 20' Harness - Driver and Passenger part number M540 can be ordered online at etrailer.com or call 1-833-496-1390 for expert service.
  • All Info
  • Reviews (39)
  • Q & A (0)
  • Photos
  • Why etrailer?

Peterson Trailer Lights - M540

  • Tail Lights
  • Kit
  • Incandescent Light
  • Red
  • 4-1/2L x 4-1/2W Inch
  • Surface Mount
  • Stop/Turn/Tail
  • Side Marker
  • Side Reflector
  • Rear Reflector
  • Peterson

4-3/4" x 4-1/2" Square. Incandescent trailer light kit provides all legal lighting and reflectors for trailers under 80". Includes combination tail lights and side markers. Stud mount with included hardware. 20' Harness. PC rated.


Features:

  • Trailer light kit provides all legal lighting and reflectors for trailers under 80" wide
  • 2 Square combination tail lights provide 6 functions
    • Stop, tail, turn, side marker, side reflex, and rear reflex
    • Built-in license plate light on driver's-side light illuminates license plate
  • 2 Rectangular marker lights are included to provide rear clearance light function
    • Built-in reflex reflector removes the need for a separate reflector
  • Incandescent bulb can be easily replaced
  • Compatible with 12V DC systems
  • Mounts on surface of trailer with included studs
    • Includes license plate bracket for mounting driver's side light
  • 20' Wiring harness for making connections
  • DOT compliant
  • PC rated
  • Made in the USA


Specs:

  • Tail lights:
    • Dimensions: 4-3/4" long x 4-1/2" tall x 2-13/16" deep
    • Distance between mounting studs (center on center): 2"
    • Power draw at 12V: 2.2 amps
    • Bulb type: 1157 and 168
  • Clearance lights:
    • Dimensions: 2-3/4" long x 2-1/8" tall x 1" deep
    • Power draw at 12V: 0.25 amps
    • Bulb type: 194
  • 1-Year limited warranty


Manufacturer Cross Reference

Light will work as an exact replacement for:

Wesbar # 7504

Optronics # TL27BK


Peterson M540 Trailer Light Kit Dimensions

PC-Rated Lights

Diagram of light spread for PC rated light

A PC-rated light produces a 90-degree angle of light to either side of its centerline for a total of 180 degrees of coverage. This beam pattern can be clearly seen when you are standing directly in front of the light, as well as when you are standing on either side of the light. When properly installed, this type of light can function as both a front clearance light and a side marker light or as a rear clearance light and side marker light.



M540 Peterson Square Combination Trailer Light Kit for Trailers Under 80" Wide - 20' Wire Harness - Incandescent - Stud Mount - Driver and Passenger Side




California residents: click here



Customer Reviews

Peterson Light Kit for Trailers Under 80" Wide - 20' Harness - Driver and Passenger - M540

Average Customer Rating:  4.7 out of 5 stars   (39 Customer Reviews)

4-3/4" x 4-1/2" Square. Incandescent trailer light kit provides all legal lighting and reflectors for trailers under 80". Includes combination tail lights and side markers. Stud mount with included hardware. 20' Harness. PC rated.

by:

It would have helped if an instruction sheet was included. Tested before install while hooked up to my truck. Needed to ground lights to get them to work and an instruction sheet would have eliminated much frustration. Wire connections on the lights also leaves room for improvement.


Comments
Yes, the white wire is for grounding. This kit does not have an instruction sheet but we do have this wiring help article explaining which colors do what:
-- Etrailer Expert Sierra K - 06/20/2022


by:

Always good products when shopping e-trailer. This light package was no different. Excellent service excellent product and excellent follow-up to make sure you're happy..

Sure would love if they would send me a hat and a 2X t-shirt to advertise for them lol. Seriously though buy it you won't regret it.




by:

First, I must say I've been very satisfied overall with etrailer and continue to be a return customer. The odering process is straightforward and etrailer kept me informed of the shipping status. I did have a minor problem with the light kit. After a quick phone call with etrailer, they were able to remedy the problem in a few minutes. I also find their installation videos and wiring diagrams to be very useful.




by:

Great wiring kit. Has everything you need to completely wire a new trailer.




by:

best place to buy all your trailer needs




by:

great work




by:

We are a mfg they are awesome to work w ith




by:

Everything you need to change the light s!




by:

Great customer service!




by:

Shipping was quick and the lights worked out great! Very straight forward install.




by:

Love my agent she was so friendly and professional,
and the service was great, product was recorded fast and is also great




by:

Very nice complete wiring set. Very fast delivery in 3 days with the standard ground shipping.




by:

Much better than the cheap made in China ones that I have tried before. This set is very good quality, and a robust wire harness, unlike some of the newer Chinese versions I have purchased. I would expect to get about 5-10 years out of this set.




by:

The only issue I have with this assembly is the quick connection at the taillights. It was nearly impossible to make the connection hold. Screw tabs would have been better.




by:

Rating says it all, 6 stars!




by:

All the items were quickly delivered and in great shape upon arrival. Only complaint is that there were no instructions for installation. That’s fine for people who know what they’re doing but I’m not that guy. A simple set of instructions would be helpful.




by:

The exact replacement for my trailer lights with everything needed. Highly recommend.




by:

Great set of lights. An easy install other than my own issue with the ground.




by:

looks good, this my first Peterson light kit




by:

This arrived QUICK.
Request for review
was even quicker...I haven’t had time to install/test tires.




by:

Great price for the trailer lights also works well




by:

Great service.




by:

exact replacement




by:

Very nice, just what I ordered. It came a day early too!




by:



25
39
Show More Reviews

See what our Experts say about this Peterson Trailer Lights



  • Will Peterson Light Kit #M540 Replace the Lights on my Trailer?
    You would be able to add lights with the Peterson Light Kit for Trailers # M540 and since they have a new 4 way connection it should solve any issue you're having; that being said, I can run you through some quick steps to troubleshoot the lights on the trailer and avoid having to buy a new set of lights. It sounds like there may be an issue with the wiring harness on the vehicle or the trailer wiring that is keeping these lights from functioning, so I'll give you a couple of troubleshooting...
    view full answer...
  • Submersible Version of Peterson Light Kit part # M540
    For a submersible version of the Peterson Light Kit part # M540 that you referenced you'd want the # TL5RK which comes with the exact same style of lights, wiring and bracket but is designed for boat trailer applications like yours! I attached an install video for this for you to check out as well.
    view full answer...
  • Recommended Trailer Wiring for 5x10 Trailer with 4-Way Trailer Connector
    If you have a 4-way trailer connector like # 118418 then I recommend using a wishbone harness to wire your trailer. The 20 Ft 4-Way Trailer Wiring Harness - Wishbone Style - 30" Ground # A20WB is my recommendation for your wiring because it will allow you to run 2 wired to each side. You will run the brown and yellow to the driver's side, and the other brown and green wire to the passenger side. The white wire will get connected to the trailer frame as a ground. The brown wires on each...
    view full answer...
    Image 1 for
  • Recommended Tail Lights and Clearance Lights For 5' x 8' Utility Trailer
    I would be happy to help! For replacement lights I recommend starting with the Peterson Light Kit for Trailers Under 80" Wide - 20' Harness - Driver and Passenger # M540 which includes the two tail lights, and two amber clearance lights. Since you mentioned that you also have red side marker lights on the front I recommend two of the # MC48RB. This will include all of the new wiring and lights needed, but I do recommend using heat shrink butt connectors like the # DW05744-10 to give...
    view full answer...
  • Will The Peterson M540 Light Kit Fit A Bracket With 2-1/4" of Head Room?
    I measured from the center of the mounting studs to the top of the lights that come with the Peterson Light Kit # M540 and it is 2-1/2". Just to make sure, I also measure the Optronics Under 80" Trailer Light Kit with 25' Wiring Harness # TL5RK the same way, and they measure exactly the same, unfortunately. With that said, I may have another option available, but the lights will be completely different. If you look at the Optronics Trailer Light Kit # TL16RK, which technically is for trailers...
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • Parts Needed to Add Separate License Plate Bracket and Light With Peterson Light Kit M540
    You can tap into the running lights(brown wire) on the Peterson Light Kit # M540 with a Tap # SWC502905-1. That will allow you to run 16 Gauge Wire # 16-1-1 to a Optronics LED Trailer License Plate Light # OPT97FR. You will be able to ground the negative wire to the steel frame, as your light kit uses the frame for the ground circuits.
    view full answer...

Do you have a question about this Trailer Light?




  • Why etrailer.com?

    At etrailer.com we guarantee:
  • Highest quality trailer lights for the best price.

    Our Lowest Price Pledge ensures you will never overpay for the parts you need.
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate trailer light information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Joshua S
Video by:
Joshua S
Employee Jacob T
Video Edited:
Jacob T
Employee Kathleen M
Installed by:
Kathleen M
Employee Ryan G
Installed by:
Ryan G
Employee Daron K
Edited by:
Daron K
Employee Brian T
Written by:
Brian T

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.


Product Experts Available Now!
Call 1-833-496-1390