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Mighty Cord 5th Wheel/Gooseneck Wiring Harness w/ 7-Pole Connector - 7' Long
Part Number: A10-7007
In Stock
$82.72
Retail:$144.15
You Save: 43%
Confirmed to Fit
2019 Ram 2500
with factory 7-Way
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- All Info
- Reviews (133)
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- Videos (3)
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2019 Ram 2500 - Mighty Cord 5th Wheel/Gooseneck Wiring Harness w/ 7-Pole Connector - 7' Long
- 7 Blade
- No Tow Package
- 5th Wheel and Gooseneck Wiring
- Vehicle End Connector
- Plug-In
- Plug and Lead
- Mighty Cord
Mount this 7-way, RV-style connector in your truck bed to simplify hookup of your 5th-wheel or gooseneck trailer. Harness plugs into existing wiring and retains use of factory 7-pole at the bumper.
Features:
- Provides 7-way, blade-style connector in your truck bed for hassle-free hookup of 5th-wheel and gooseneck trailers
- Connector mounts in truck bed sidewall, tailgate post, or wheel well
- Plugs into factory wiring - no cutting or splicing
- Requires that your vehicle have factory tow package
- Retains use of factory 7-pole connector at the rear of your vehicle (if present)
- 7' Long, insulated wiring harness reaches from rear bumper to truck bed
- Molded cable protects wiring from water and debris
- Spring-loaded dust cover protects connector from the elements
Specs:
- Harness length: 7'
- 1-Year warranty
A10-7007 Mighty Cord Universal 5th Wheel/Gooseneck Wiring Harness w/ 7-Way Connector - 7' Long
Video of Mighty Cord 5th Wheel/Gooseneck Wiring Harness w/ 7-Pole Connector - 7' Long
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Video Transcript for Mighty Cord 5th Wheel/Gooseneck Wiring Harness DIY Install - 2024 Ram 2500
Hi, this is Scott with etrailer. Today, we're taking a look at and installing our Mighty Cord 7-Way In-Bed Wiring on our 2024 Ram 2500. Our 7-way plug we have in the bed of our Ram today is a good option for people that are looking to do a lot of towing with either a 5th wheel or a gooseneck. This is gonna allow you to keep your cord in the bed of your truck and not drooping over the back of your tailgate, which I see a lot of times, and people end up with a bunch of scratches on their tailgate. So this really eliminates that. It's also gonna be really accessible, which is nice.
And it's gonna have a little spring lid here. And all you're gonna do is just put in your cord, and this little cap itself is gonna have this tab comes down, and that's gonna hold your plug in, so it's not gonna accidentally pull out while you're pulling your trailer down the road. One of the best things about this is, is how easy it is to install. All you're gonna do is just plug in to your factory wiring harness that you have there. You're gonna have a couple different plugs there and it'll plug in the back of this one.
And you're gonna get all your hardware with it to get this installed, so it's really not too bad at all. Now, if you have any questions or comments about this 7-way plug for the inside of the bed of your Ram, you can always leave a question or comment down below in the comments section, or you can get ahold of one of our experts here at etrailer, they'd be glad to help you out. As far as installation goes, this is really straightforward and definitely something you could do yourself, it's really not too bad to do. But if it's something you don't have time to do yourself, you can always take a look at our dealer locator and get something done for you locally. If it's something you feel like tackling yourself, stick around, watch our video, and we'll help you get it installed.
To start our installation, we're gonna have our 7-way plug, and we wanna find a good, suitable place for this to go. Now, I'm gonna go with this one right around in this area here. Now, when you're trying to figure this out, it's always a good idea after you figure out where you want it to go up here in the bed to get underneath there and make sure you don't have any wire harnesses or lines or anything behind here that you're gonna hit when you go through this with your hole saw. Now, after I have that done, I gotta decide where I want that to go. Now, I'm just gonna come back with my two inch hole saw, and I'm gonna go ahead and start making our hole.
All I'm gonna do is get that started. (hand drill buzzing) Now, we have our pilot hole started, we'll just come back through with our hole saw, and we'll start making our hole. (hand drill buzzing) And once you start getting through here, you don't wanna put on too much force where you're gonna go through and bump the outside of the body. So just be careful when you're starting to get through this. (hand drill buzzing) With our hole cut out, I like to come back with a file and just clean up any sharp edges we have in here. Then I'll come back through with a paint pen, and I'll cover up this, so we don't get any rust. (file clanking) Now, I like to take my line that has the two ends, and we'll go ahead and get that pushed down through our hole. (truck bed wall clunking) This part can be a little tricky, because our connectors are close together. So just take your time, and you'll get them through there. Now, we've finally got it in, and I may recommend the next time we do one of these to maybe go a little bit bigger, 'cause this is really tight getting these to go through here. But now that I have it, I'll just feed that down, run my cord all the way down. (cord rustling) Now, I'll take my 7-way plug, and I'll get that plug into my cord itself. Gonna have a good, audible click. Give a little tug, make sure we have a good connection. I will run that in through our hole as well. (plug clunking) Now, we can get our plug orientated where we want that. Now, I'll come back through with my self-tapping screws, and we'll just get those run in, and that'll keep our plug put in place. (hand drill buzzing) We have one in place that's gonna hold our plug where we want it. Now, I'm just gonna come back through. And before I run the rest in, I wanna make sure it's nice and level and where I want it. And it is, so now, we'll just go through and get the rest of them in place. (hand drill buzzing) (truck bed wall clanking) Underneath of our truck, you can see where our plug comes out of our bed. Now, it comes down, we have our wire. I looped it up over the frame and then pulled it over towards our spare. I'll end up coming back through and tying off all my wires after I get everything installed. But I'm just gonna continue bringing this across, and we're gonna tie off to a bunch of stuff that's right here behind our bumper. And right here, we're gonna have our plug, this is where we're gonna plug into. What we wanna do is we're gonna have this little tab on our plug that's on our truck, we just wanna push in that tab and pop out our plug. These can be pretty tricky, they'll get dust and dirt built up in them. You'll just kinda wiggle that around. Now, I did end up having some debris built up in the back of my little clip here, so I just tapped that and got that out there. Now, I can push that in, just wiggle it around, pull that out. And as you can see, we're gonna have a bunch of stuff come out of that. And we do have some debris built up in there, so you wanna clean all that out the best you can, that way, you have a good, clean mounting surface. On the ends of our plugs on our wiring harness, I like to take a little bit of dielectric grease. What this is gonna do for us is gonna help seal up our connections and keep moisture out of there, so we don't get a bunch of corrosion happening. I kinda go around the edges of it a little bit too, that'll kinda help lubricate it to get our plug put in place. I'll do that on both of these, just get some on these pins. (wind whooshing) Now, what we wanna do, is from our factory harness we have here, we're gonna find our male end and our female ends. We're gonna have our ends here, these are gonna match up. So we'll just take our end, we're gonna plug it into our factory harness. Click those together. Make sure you get a good, solid click. Give it a pull, make sure you have a good connection. Now, we'll do the same where it goes to the back of our plug into our bumper. Just wanna line up our tabs. (plugs clicking) You may have to wrestle these around a little bit just to get them to go where you need them to go. (plugs clicking) (metal clanking) Sometimes, you gotta twist them pretty good, because we want this open end to line up with this end. Let's get that maneuvered into position, and we'll click that in place. Again, you'll have a good, audible click. Give a little tug, make sure you have a good connection. Now, I'll come back through and hang up all my wires. Now, you can see here where I went ahead and tied off. All I did is just pull the slack out over here in the fender well and just ran this across, tying off as we come out over our frame. You can see here, all I did is just loop it over and just got it all supported up here with some wire ties and just got that all up out of the way. Now, I have a tester put in. One way you can check yours is just plug your trailer into this and just see if it works. But I have a tester, so we'll go ahead and go through all of our signals and make sure everything's working. All right, now, with our tester in place, we'll go ahead and check out all of our signals. I'm gonna go ahead and do my lights on. And those are working. Now, we'll do our left turn. We'll do our right turn. And we'll do our brakes. And our tester is showing that all of our lights and signals are working. With everything working, that will do it for our installation and our look at our Mighty Cord In-Bed Wiring on our 2024 Ram 2500. I'm Scott with etrailer, and thanks for watching.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
- Product did not meet expectations
- Wrong item was ordered
- Defective
Ratings & Reviews
4.8
133 reviews
by:
Jacob
03/15/2026
2023
Ram
2500
Good product, worked perfectly for my 23 Ram 2500 short bed. I ran it up into the driver side taillight housing and it was a snug fit but I think it’s a perfect spot.
by:
Tyler
07/03/2026
2015
Ford
F-250 Super Duty
The install went smoothly, was easy to follow the instructions that were provided. Only thing that could be added, would be some dielectric grease for the connections.
by:
Thomas
04/09/2026
First time I towed my 5th wheel the harness did not work inside the bed and at the factory bumper plug .Drove without trailer brakes until I got home .Once home I tested the new harness and got mixed readings.Took the harness connectors apart and noticed 2 prongs on the new harness ( male plug)were loose and were not making a good connection to the factory harness for power to the trailer brakes.
by:
Bruce
08/02/2026
The kit delivered in two days which is excellent. I’ve just inventoried the kit and all components and hardware seem to be accounted for. Read through the installation instructions. Now the work begins. I’ll be installing in the next couple days so check back with me.
by:
Gene
08/12/2026
Rose was outstanding help. Great service and shipping. 5 stars
by:
John
11/04/2026
Easy install, works perfectly as expected.
by:
Robert
03/12/2026
The plug that goes in bed was to long it measured 31/2" an I only had 31/4" I had to buy 5/16 rubber an make a spacer other the that everything plunged in great to my factory wiring
by:
Joseph
06/14/2026
It was a very easy install. So much better then a bumper plug any day
by:
Robb in Cresson, Texas
10/23/2019
Excellent kit. Easy plug and play. Came with tie wraps and sheet metal screws. Only thing it didn’t come with is the dielectric grease so I suppose if it were necessary they would have included it.
Installed on the right side wall of 2018 Nissan Titan XD. Truck has puck system for gooseneck but Nissan didn’t install this in wall until the 2019 trucks which is rather dumb since 2016 with this model and ending with the diesel 2019.
Installed on the right side wall of 2018 Nissan Titan XD. Truck has puck system for gooseneck but Nissan didn’t install this in wall until the 2019 trucks which is rather dumb since 2016 with this model and ending with the diesel 2019.
by:
Machelle
03/17/2026
Fantastic design! No cutting or splicing. Plug and go!
by:
Christopher
06/18/2026
2016
Ford
F-350 Super Duty
Easy to install and just like advertised.
by:
Bryan
06/24/2026
Perfect fit
by:
Doug
02/16/2019
2014
Ram
2500
Once the location of the hole was figured out it is plug and play very easy
by:
Pamela
06/18/2026
it was everything i hoped, fit perfect.
by:
David
12/24/2025
Fast shipping quality product
by:
Jolene
11/08/2025
Fast shipping, great communication!!! Will work with them in the future!!
by:
Eric
03/31/2026
2016
Chevrolet
Silverado 2500
Easy install, worth the money to get a better setup
by:
Joel
03/31/2026
Worked Great, Easy Install.
by:
Christopher
01/18/2026
I didn't need to use the product after all. However, I removed it from the box and it appears the quality is excellent. Very well made. I'll definitely keep it and use it in the future.
by:
Ben
02/06/2026
2016
Chevrolet
Silverado 2500
Simple 20min install, high quality materials
by:
Gregory
07/22/2025
2019
Dodge
Ram Pickup
Installed on a 2019 Ram 2500 with 6"4" bed and fit perfectly. The 7 ft. length was plenty long enough.
by:
George
11/24/2021
The torklift frame mount camper tied downs are awesome. The 5th wheel wiring harness was easy install. Glad to see you have products that make things possible. Thanks.
by:
Glenn
05/22/2024
Strange that you emailed me. We are actually in Isla morada with our fifth wheel and I was just telling my wife how nice it was to be able to plug the light cord in where it should be instead of draped under the tailgate
by:
Kody
11/05/2025
Everything I needed to complete the job easily.
by:
Paul
04/05/2025
Great quality and the installation was very easy
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133
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Do you have a question about this Custom Fit Vehicle Wiring?
Info for this part was:
Expert Research:
Mike L
Expert Research:
Jameson C
Installed by:
Jeff D
Video Edited:
Joshua S
Video Edited:
Jacob T
Video Edited:
Chris R
Video by:
Dustin K
Video by:
Thomas T
Video by:
Schuyler H
Updated by:
Mary K
Updated by:
Halie H
Written by:
Amanda M
Test Fit:
David F
Test Fit:
Jacob H
Test Fit:
Scott A
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Kate F.
3/18/2026
Looks great Jacob! What kind of trailer are you going to be hauling around?