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4 Pin to 7 Pin Trailer Adapter, 7 Way Round to 4 Way Flat Trailer Light Plug Adapter, Upgrade 18AWG Copper Wire with Mounting Bracket for RV Truck Factory Tow Kits

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$12.99

$ 6 .99 $6.99

In Stock
  • Durable Construction: 4 way to 7 way Trailer Light Adapter is crafted from heavy-duty plastic, ensuring longevity and resilience. The 10-inch wiring is shielded by a robust black harness, effectively protecting the adapter from environmental damage when not in use.
  • Enhanced Electrical Performance: 4 to 7 pin Trailer Adapter ensures superior conductivity. It seamlessly converts a 4-pin flat truck connector to a standard 7-pin RV blade receptacle, eliminating the hassle of splicing wires and allowing for easy customization of trailer wiring.
  • User-Friendly Installation: 4pin to 7 pin Trailer Adapter comes with all necessary mounting brackets, screws, and nuts, making installation straightforward. Simply locate the appropriate mounting position on your trailer hitch or bumper and secure it with the included hardware.
  • Waterproof Protection: 4 flat to 7 blade railer Adapter is quipped with a waterproof cover and spring cover,designed to guard against moisture and debris. This feature not only prevents damage but also extends the service life of the adapter, ensuring reliable performance in various conditions.
  • What you get: Comes with 1 x trailer adapter plug, 1 x mounting bracket , 6 screws and 6 nuts, 1 x user manual. Suitable for most trailers, semi-trailers, caravans and motorhomes,If you have any questions or suggestions during use, please contact us and we will work with you to find a feasible solution.



Product Description

trailer plug adapter

Adriana
Reviewed in the United States on March 10, 2025
Excelente producto.
adam h.
Reviewed in the United States on January 24, 2025
works great
Evan b.
Reviewed in the United States on January 16, 2025
easily switch from 4 to 7. nice adaptor
Sheesha
Reviewed in the United States on December 25, 2024
This adapter worked well when my new car came with a 4 pin trailer plug when I requested a 7 pin round one.Unfortunately it didn't come with any instructions that might have had suggested ways to mount the bracket for the round plug. I couldn't think of anything to fasten it too but the flimsy plastic bumper cover or the hitch mount, which was way too thick for me to drill through. I asked a mechanically inclined neighbor to look at it, and fortunately another set of eyes saw a solution. The existing small bracket holding the 4 pin plug was held to my hitch with two bolts almost exactly the same distance apart as my 7 pin bracket. We did have to enlarge one hole on the new bracket, which wasn't too difficult and worked well.I recommend this adapter.
Jason & Amie R.
Reviewed in the United States on December 17, 2024
This 4-pin to 7-pin trailer adapter is exactly what I needed to connect my utility trailer, which has a 7-pin round connector, to my Jeep that only had a 4-pin flat trailer wiring setup. Installation was quick and easy, and the included mounting bracket provides a permanent, professional-looking mounting solution.What I love most is that the setup remains flexible—if I ever need to use the 4-pin flat connector directly, I can simply unplug the adapter without hassle. The upgraded 18AWG copper wire ensures reliable connectivity, and the build quality feels solid and durable.This adapter has been the perfect solution, eliminating the need for rewiring while keeping my setup versatile. Highly recommended for anyone in a similar situation!
RowdyRuss
Reviewed in the United States on November 3, 2024
I recently purchased an SUV with a tow package on it but it only had the 4 pin wire harness and my trailer has the round 7 pin connector. I had to use my trailer a few weeks ago and did not like that I had no lights on the trailer so I ordered this adapter right away to avoid it from happening again. Install was super quick. I drilled 2 holes and connected the bracket to my SUV then attached the adapter to the bracket with 4 bolts which were included with the adapter. Easy peasy lemon squeezy. Now I can pull my trailer and have working lights again. Couldn't be happier.
Ashleyb218
Reviewed in the United States on November 25, 2024
This is a great product, but it doesn’t fit my vehicle unfortunately due to mine has the seven pins and no four adapters still well-made
D. Reich
Reviewed in the United States on November 23, 2024
I ordered this because my old work trailer used to have a 4-pin connector and I upgraded it to a 7-pin. The problem is, I have a 110-12v converter in my shop to plug my trailer into when I need to load up so I can turn on the interior lights, and that was previously wired to accommodate the 4-pin connection. Since I only needed the running lights to be hot (the interior lights are connected to that line) it should have been pretty easy... but when I initially plugged this in, there was no joy. I had two options for the running lights (because my particular wiring has all the running lights connected to either the right or left running light wire, either of them will work) I couldn't remember which one I used on the 7-pin conversion. Thinking I needed to swap the orientation in the new plug adapter (the 4-pin end is molded plastic and you can't take that apart) I opened that up and pulled the core out. I swapped the two tail light wires and then tried to get the core back in. There was no indication or channel guide to indicate the proper orientation. I (much) later discovered the two screws on the outside of the barrel did line up with some channels on the core, but would it have been so difficult for there to be a channel guide like most other plug components do? Very frustrated, I finally got it back in... and no lights. I was going to just toss it, but decided to wire it back to the original orientation, which was a bit easier now that I knew where the screws lined up. When I got it back together, I plugged it in just for the heck of it, and it worked! I found that the terminals on the socket were loose, and the one I needed had been too loose to make a consistent connection. So I had to take it out again and re-connect the terminals to ensure they were tight. They had not even been connected properly, the sleeve that the terminal should go under to prevent the terminal from slipping out was under the terminal instead of over it. Sloppy assembly. But in the end, it worked and just cost me about an hour and a half that I'll never get back.
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