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Trailer Wiring Junction Box - 7 Color Coded Terminals - ABS

Trailer Wiring Junction Box - 7 Color Coded Terminals - ABS

Item # 3375601101

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Accessories and Parts 3375601101 - Junction Box - Buyers Products
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  • Wiring
  • Junction Box
  • Buyers Products
Color coded terminals in the ABS box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector simple. Call 800-298-8924 to order Buyers Products accessories and parts part number 3375601101 or order online at etrailer.com. Free expert support on all Buyers Products products. Guaranteed Lowest Price and Fastest Shipping for Trailer Wiring Junction Box - 7 Color Coded Terminals - ABS. Accessories and Parts reviews from real customers.


  • All Info
  • Reviews (12)
  • Q & A (4)
  • Videos (1)
  • Photos
  • Why etrailer?

Buyers Products Accessories and Parts - 3375601101

Color coded terminals in the ABS box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.


  • Electrical junction box consolidates your truck's wiring
  • Color-coded terminals help you stay organized
  • ABS construction
  • Number of terminals: 7
  • 1-Year warranty


5601101 Buyers Products Electrical Junction Box - 7 Color Coded Terminals - ABS







Video of Trailer Wiring Junction Box - 7 Color Coded Terminals - ABS


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




Video Transcript for Buyers Products Wiring 3375601101 Review

Speaker 1: Today we're taking a look at a trailer wiring junction box. This is a durable ABS plastic box that creates a fast, easy way to connect the wires from your trailer connector to the wiring on the trailer for either a six way or a seven way connector. It also makes replacing your trailer's connector simple if and when needed. The electrical junction box consolidates all the wiring connections on your trailer to one location.It mounts to a secure area of the trailer's frame. As you can see, internally it features seven terminals or posts. Each post comes with a flat washer and a nut.It's really simple and easy to use also, and I want to point out that the terminals are all color coded which helps you stay organized.It comes with hardware to secure the lid to the box so that has two holes right here so that way you can attach the lid securely.It also comes with the internal strain relief brackets and screws.It comes with rubber plugs already installed which keeps dirt, grime and moisture out of the box.

Then for whatever slots you want to use, you can remove the solid rubber plug and replace it with a rubber plug that has a hole in it for the wiring to pass through.Now basically how you would use this is you would put ring terminals on the ends of all your wiring on the trailer side and on the trailer connector side. If you have a yellow wire from your trailer connector, you put a ring terminal on it, connect it to the yellow post. Then if you have a yellow wire from the trailer side, put a ring terminal on it, connect it to the same post and then that combines those functions together. Then you just repeat that for all the different terminals or connection posts.I want to go over a few measurements with you real quick, starting with the overall measurement going edge to edge in this direction from outside edge of one tab to the same point on the other, it's about eight inches.Our mount holes are separated on center by about 7-5/16" as inaudible 00:02:17 going in this direction here at the base is about 3-1/4" and the overall height or thickness gives us a measurement of about, I would say, about 2-1/4" to 2-3/8" right in that area.That's going to do it for today's look at the trailer wiring junction box.


Customer Reviews

Trailer Wiring Junction Box - 7 Color Coded Terminals - ABS - 3375601101

Average Customer Rating:  4.5 out of 5 stars   (12 Customer Reviews)

Color coded terminals in the ABS box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.

- 3375601101
by:

Simple, functional, well built. Can't wait to install 645038



- 3375601101
by:

great product 599452



- 3375601101
by:

GTG 590899



- 3375601101
by:

This is my second order for this part. I was pleased with the first one and the quick and efficient service, not to mention the price, I decided to get a second one for my other trailer 577778



- 3375601101
by:

This is a piece of crap! Cheap plastic. And the terminals you need for 10ga wire are located at the ends of the terminal block, so you have no space to turn that 10ga wire back on itself to make a proper connection. Then one of the screws for the cable entry/cinch snapped off....so the whole thing is a useless waste of time and money! 569119



- 3375601101
by:

I ordered several items for a trailer conversion. Took me a minute to navigate the website but eventually found everything I needed. Orders shipped promptly. Everything was as I had hoped. Great experience. 652949



- 3375601101
by:

Looks to be an exact replacement for a corroded oem part. Fast shipping 651896



- 3375601101
by:

Very pleased with this product. 650311



- 3375601101
by:

The box is rather light weight for the amount of wiring that has to go into it. The positive and negative posts are together at one end next to the cover attachment post making access very difficult. But the box is better than what the manufacturer provided. If you are adding disc brakes with an additional four wires you might consider a different box. 637992



- 3375601101
by:

The terminal box worked perfectly for my rebuild of my trailer from a single axle to tandem axle. Made the plane rewiring of the trailer much easier! 636948



- 3375601101
by:

Quality part. Makes wiring and troubleshooting a trailers electrical easy. 608194



- 3375601101
by:

A friend use one of these on a recent trailer project and I was going with one of etrailer’s coiled 7 way cables so I ordered this junction box to connect it. Great construction, simplifies connections for a much more serviceable and neat appearance. Recommending etrailer to all my friends and family. 595636


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Ask the Experts about this Buyers Products Accessories and Parts
Do you have a question about this Accessories and Part?


  • Can a Junction Box on a Trailer Short Out?
  • Junction boxes like # 3375601101 have independent terminals for each function that don't connect to each other. It would be very possible for a connection to go bad or lose connection, but it is not normal for an entire junction box with all its functions to go bad. I've attached a trailer wiring diagram to assist. It sounds like you may have lost multiple functions, so I recommend checking your ground connection as that could absolutely impact multiple functions and then check vehicle...
    view full answer...

  • Dimensions for Buyers Product Wiring Junction Box # 3375601101
  • The Buyers Products Trailer Wiring Junction Box # 3375601101 referenced in your question measures 6.5 inches long, 3.21 inches wide, and 2.5 inches tall when the cover is installed. The mounting holes at each end are spaced apart 7.38 inches on center. I have attached an image to assist.
    view full answer...

  • How to Complete Electric Brake Wiring to Trailer Connector
  • It sounds like you have a junction box like part # 3375601101 installed on your trailer and the brake output wire from the assemblies are ran to this but not to the trailer connector. If that is the case than all you will need is a ring terminal like part # 44-5310A and some spare wire like part # 10-1-1 to finish running the brake output wire from the junction box to the trailer connector. It sound like you may also need a new trailer connector as well and for that I recommend the...
    view full answer...

  • Is the Yellow Wire For the Reverse Lights On the 7-Way Molded Trailer Wire Connector H20043
  • In regards to the 7-Way Molded Trailer Wire Connector part # H20043, the yellow wire is for the reverse light circuit yes. This should then align with the pin responsible for the reverse light circuit on your vehicle. The terminology used for "AUX" is the same as the reverse light circuit. Please note, if you are rewiring a trailer I highly recommend you use a junction box, the Trailer Wiring Junction Box part # 3375601101 to keep everything organized. We also have the Trailer Wiring...
    view full answer...


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Info for this part was:

Installed by:
Cole B
Edited by:
Daron K
Video by:
Jonathan Y
Installed by:
Robert C
Written by:
Brian T

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