Product Specs:
Trailer Wiring
Trailer Connectors
Trailer End Connector
Plug and Lead
7 Blade
Mighty Cord
This molded, 7-way, RV-style, trailer-end connector allows you to connect your trailer to your vehicle. Durable molded rubber construction and corrosion-resistant terminals withstand the elements.
Video of Mighty Cord 7-Way RV-Style Trailer Connector w/ Molded Cable - Trailer End - 6' Long
It was a replacement for a prior repaofir a friend.! But I will definitely buy again for myself.!!well made products.!
Appears well made and sturdy, have not replaced old one, 6 feet may be a little to long, but fits.
the cable works fine
I needed these parts quickly and they were delivered as promised. Very impressive.
Overall a good product, but it could be better. Two main improvements would help a lot. First, color coding the wires to match industry standard instead of the random coloring that is used. Second, the plug is twisted, see picture.
A foot longer would have worked better, but this did the job just fine.
Have had this for a year now. Use it once a week in summer. Connection is still 100%. Great product.
So, I have been wiring trailers for a while now. I have been known to wire thing backwards before. So when I got all finished wiring it up and my marker lights were flashing , I thought, I did it again. Re check all the wires. And I have brown for brown, green for green, and yellow for yellow. Well come to find out, nothing is color coded with this pigtail. Cut it all apart and rewire it all. They said they sent me a link for the wiring but I could not find anything about the colors not matching.
Mike L.
3/4/2019
There is more than one accepted color code for wiring a 7-way trailer connector. We explain the color code above in the product description.
Cord is good quality but wire color code doesnt follow the normal trailer light standards. It makes more work for you have to I.D each wire back to trailer plug
Mike L.
2/27/2018
The trailer connector you purchased does indeed use a different color code, which is why we specifically mention this on the product page. The connector would wire up as follows- White wire is Ground, Red wire is Left TurnBrake lamp, Brown wire is Right TurnBrake lamp, Green is Taillights, Blue is Trailer Brakes, Black is 12-Volt power from battery and Yellow is an auxiliary circuit, frequently used for the reverse lamps.
Looks great.
Finally, I've got a heavy duty trailer connector with a molded 7 way plug. More than long enough and well constructed
Captain H.
7/26/2019
Still happy as on day 1
Bought this item to replace one that was damaged on my equipment trailer. Very high quality product. Simple replacement. Good price and quick shipping.
Mark P.
2/2/2018
Holding up very well
Great quality. However, the wire colors do not apply to the proper loads. Brown has always been tail lights for many years but on this plug, it is green. Why are there different colors for 7 pin plugs vs 4 pin? That makes everything extremely confusing. A single standard needs to be adopted.
Sierra K.
12/30/2021
Brown is for tail lights on the traditional SAE board, but for this particular wiring, it is green. In this attached help article, it shows the color chart under the RV standard wiring. It is necessary to test each color as it may be completely different on your set up.
Helpful Links
I often have to fix wiring harness in the field after some idiot managed to forget to unplug when disconnecting a trailer. This allowed for a quick change with out too much cussing. I added loop connectors to the ends ahead of time making the field repairs faster.
This was never right from the start. The brake controller portion worked, but I ended up wiring in a four flat for my lights because we were leaving on a trip the next morning. I was busy and never got anything done about it, and eventually replaced the molded plug before I sold the trailer. Hopefully mine was just a fluke.
A very well made trailer wiring connector. works like it should. replaced an older plug. easy to wire. like the way the plug and wire are a one piece unit, no place for water or dirt to get in. I am very happy with this connector. thanks.
I wanted a better wiring harness then what the usual discount national auto parts stores stock. So I went to the web and found this site. Ordered the six foot model (I had been having the existing harness disconnect from the four plug adapter too many times) to give me enough length.
Seems very high quality, both the individual wires and the outer protective sheath.
Wiring was pretty simple; slight difference in color coding. Just take your time. I used the 3M heat shrink crimp connections.
Here's a wiring tip:
If you cut the wires in a staggered sequence, instead of all the same length, then when wrapping, you don't end up with a huge bulge where all the crimped connectors are.
Quality of the product was good but wtf. I’ve been wiring trailers and trucks for years. The colors of the wires used to be pretty standard and nothing was standard on this plug. And no diagram so I had to ohm out every pin and wire to fuigure out what went where. I don’t think I’ll buy a molded plug again
I have the 7-way cable installed. Everything checks out OK, will know better when I take the rv over the road.
Charlie S.
8/9/2018
it works fine, no problems this year
Sturdy construction! Much better than using those plastic replacement ends. Only complaint is, the wire colors didn't match standard configurations, a few minutes with a test light and we were in business.
Rachael H.
4/17/2018
Thanks for the follow up and reply Andy. We do have the color and functions listed in the specs portion of the product page. But you did exactly as we recommend which is to test for function vs. relying solely on color coding.
Great! I was not satisfied with packaging in the past, but had a personal call from Rebecca who actually acted concerned about my order! She was great. Made recommendations and processed my order. I do like doing business with a business who cares about me. Thanks Rebecca.
Michael M.
12/6/2017
Awesome! Plan on ordering one for another trailer.
No problem works just as advertised. Bought this because mine had no middle contact to operate backup lite and backup alarm, this solved the problem
Steve
3/6/2020
Just fine, no problem
Item arrived very quickly, and is an excellent cable for my cargo trailer rewire. My original trailer wiring was chewed up by the cows. The trailer wiring I purchased is better than the original because an adapter is not required to connect to the 7 wire plug on the truck.
Very good quality trailer wiring connector. Just be sure you don't simply connect color to color when you splice into trailer wiring. 'FUNCTION' positions may be standardized on the connectors, but color codes are definitely NOT.
Equipment supplied was very robust and of good manufacture,it did however take me a while to fit the new brakes without any written instructions that was very disappointing, Had the boat and trailer out today and everything seams to be running Hot have re greased the Bearings and will continue to monitor.Overall once you get you head around the fitting they go on easily
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Product Specs:
Trailer Wiring
Trailer Connectors
Trailer End Connector
Plug and Lead
7 Blade
Hopkins
Video of 7-Way Molded Trailer Wire Connector, 6' Long
I received a 5' cable, not a 6' one. Which really upsets me as it pretty much means I can not use the EZ Connector Pogo Trailer Cable Holder I also purchased to hold the cable up out of the way of the pivoting hitch. Other then that, the connector is molded on, so that is good.
Heather A.
4/14/2025
Hey Bill, are you also measuring the molded plug? Hopkins includes the molded plug in their measurements on these wiring connectors. If you are measuring from the end of the molded plug to the end of the wire covering, and still getting 5 feet, let me know. I can get you the correct one sent out.
Quick shipping delivered in one day.
6 ft is the perfect length, and it never have connection issues when plugging in.
The quality of the materials for this wire connector is very high, especially the insulation on the wires. One thing to note is the wire colors do not match the standard colors associated with this style of 7-Way plug. Definitely use a continuity tester to determine which wire goes to which blade in the plug. Other than that, this is a good product for the price.
The wire size was correct size with perfect wire hook up.
You guys sell a 10 times better product, than compared to the A Company.
Because there wire fail in the first year of use…..
Victoria H.
4/4/2025
Yay, it's great to hear everything worked out perfectly for you Todd! Sounds like this was a much better upgrade for your set-up!
Great product
Heavy duty molded wire that holds up over time. This has been installed over a year and looks new.
Very good cord colors match
works great
Brooke M.
3/26/2025
Yay!
Very well made and simple to install.perfect for my extended hitch for my Lance camper. Very well made and durable.
WORK GREAT
though I'm disappointed with the shipping choice with USPS. etrailer was easy to deal with throughout locating this package. I will order products from your company in the future and choose a better shipping method. Thanks for all your help in this matter.
I bought the wrong item the first time. I placed the order for the correct item and it came a day early! Return shipping was very easy as well. This is my new trailer component company!
The color coded wires did not match the standard for which went where. I first assumed it matched and installed accordingly. Only ground (white) and electric break control (blue) were correct. Brown, yellow, and green were all wrong. I believe black and red were also switched, although those seem to be less standardized. Then I checked it for continuity with multimeter and reconnected, crossing colors as necessary. Also, outside sheathing immediately separated from molded plug during first use. This appears to be very nice, heavy construction, but in reality it is a big disappointment.
Mike L.
8/21/2022
There are two different accepted wire color code conventions for a 7-way trailer connector, which is why we provide a chart see above showing the wire color codes applicable for this trailer connector.
Great service from Etrailer. PO said Saturday arrival - arrived Thursday! Wish it came with a color code instruction but I’ll replace one wire at a time, color for color. Should be easy enough.
The parts arrived and ready for me to replace the plug and wiring on my horse trailer. It’s a big help to get items ready to install.
Sealed unit at connector. No possible c orrosion.
Quality product at a reasonable price. Worked great- used a "weather pack" connector for a nice sealed connection to the rest of the trailer wiring. Just be sure to carefully check the wire colors (as many noted in the reviews)- they are not standard!
Aaron N.
10/2/2017
After a year, product is still like new- weather exposure hasnt caused any issues at all!
Very nice quality product. It's nice to have a molded plug, and this fits the bill nicely. Length is adequate as well. Couple this with one of the trailer junction boxes (another excellent product) and you'll have a clean and professional installation.
Georgem
11/1/2017
All good. Havent used the trailer much tho.
The color coding of the wiring in relation to their position was all incorrect to what is recognized as standard. Since the plug is molded there is no way to switch positions of the wires. I had to use a continuity tester to determine what was what. The trailer brake circuit was the only one that was correct
Mike L.
8/15/2018
There is more than one accepted color coding for a 7-way trailer connector, which is why we list the color code on the product description that shows which function each wire color carries. Heres a link to our Trailer Wiring help article that you might find helpful.
Helpful Links
Products were all as described and good quality. The only problem was packaging. The insulation on the wires on one of the brake assemblies was cut requiring splicing. Not a big deal but did require additional time and effort since they were cut where going through back plate. Wish I had purchased two conductor brake wire. Would have made job easier.But that was my mistake.
Russell H.
4/15/2016
No problems, everything working as it should.
I found that their Web site was fairly easy to navigate through. I was easily able to find what I needed. Placed my order and waited. Was able to easily track my products progress which was nice. Received it and open the package and found it well packed and the product looks well constructed and durable. I would order from here again.
Michael S.
8/17/2017
Its working great. Had to verify each wire individually as the online schematics may have been different colors but with a few minutes a second person and a multimeter it was figures out. Wired onto trailer and have had no issues
Rachael H.
8/18/2017
Used this product to extend the trailer's factory cable due to the new tow vehicle's receptacle was farther from the camper tongue. After one year, it is still working well.
All wire colors were correct.
Bill G.
4/13/2020
Still working well!
I felt the product was good, but the cord was not long enough. When I ordered it, the one I wanted had a longer cord, but was not available. I was in a bind so I took the shorter one. It works great, but it is not long enough for my needs. If I have to turn the trailer sharp the cord will pop out of the plug, due to the shortness of the cord. Good product.
Mike M.
2/8/2018
I sold the trailer. The cord was still not long enough.
My drum brakes locked up on me because it is a boat trailer and gets submerged in water. I hate drum brakes, due how many part are inside and can rust up. I am the 3rd owner of my 1998 boat trailer and it was hard to figure out what I needed to fix it. I contacted etrailer and they were super helpful, super informative and super easy to work with. I told them what I had, and what I wanted to do., and they put a package together for me and that was them. Everything was super east to install because it is all bolt on. I did have to do some cutting and grinding on my old tongue because the master was welded on. That was the only difficult part. My new setup is amazing and the disk brakes and new master make it feel like my boat is not even there. All in all, I am 110% satisfied and will definitely be a returning customer for any trailer needs. Thank you etrailer for making everything super easy.
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Taha
8/20/2018
Its been a year since I got this. The cord has stood the test of time. I dont store it outside so weather isnt the challenge. Its more like the long summer drives. Condition wise it is 98 good, just minor scraps and scratches. No connectivity issue or shorts. I would highly recommend this over others.