Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard

Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard

Item # H20046

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H20046 - Plug and Lead Hopkins Wiring
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  • Trailer Connectors
  • Trailer End Connector
  • 7 Blade
  • Plug and Lead
  • Hopkins
  • 8 Feet Long
Replace your damaged 7-way, RV-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are RV standard. Lowest Prices for the best wiring from Hopkins. Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard part number H20046 can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (525)
  • Q & A (329)
  • Videos (2)
  • Photos
  • Why etrailer?

Hopkins Wiring - H20046

Replace your damaged 7-way, RV-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are RV standard.


Features:

  • Pre-wired, 7-way, blade-style, trailer-end connector allows you to connect your trailer to your vehicle
  • Easy-to-grip tabs allow for simple plug in and disconnect
  • Flexible cable allows for easy positioning
  • Molded cable sleeving protects wires
    • Durable covering is insulated and corrosion resistant
  • Simple installation
    • Hardwire to existing trailer wiring
  • Meets SAE standards


Specs:

  • Cable length: 8'
  • Wire gauges:
    • 14 Gauge - Red, brown, green, and yellow
    • 12 Gauge - Blue
    • 10 Gauge - White and black
  • 90-Day limited warranty



Wiring Code
Molded Connector Function Usual Trailer Wire
White Wire Ground White Wire
Red Wire Left Turn and Brake Yellow Wire
Brown Wire Right Turn and Brake Green Wire
Green Wire Tail Lights Brown Wire
Blue Wire Brake Power Blue Wire
Black Wire 12 volt (hot lead) Black Wire
Yellow Wire Aux. -



20047 Hopkins 7-Way Molded Trailer Wire Connector, 8' Long

Replaces 20246



H20046 Installation InstructionsInstallation Details H20046 Installation instructions


California residents: click here


Video of Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard


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




Video Transcript for Spectro Trailer Wiring Junction Box Installation

Today were going to install part number 38656. This is a trailer wiring junction box. First thing were going to do is find the location for our junction box. Were going to go ahead and install on the inside edge of the tongue. Well go ahead and hold it up to the tongue and then well go ahead and use a drill to mark it for our holes. We have our holes marked, well go ahead and remove the box, and then go ahead and drill out our hole.

Now well go ahead install our hardware and install our box. Now were going to use a quarter inch hardware to install the box to the frame. This hardware does not come with the box. With our box installed, we can go ahead and start getting our wiring ready. Well go ahead and cut our wires to the length of what we need and then well take our excessive length from our gray cable and use the white wire for our ground lead.

Were going to take the white wire, well add a couple of ring terminals, and well go ahead and connect it to the post labeled white and ground. Well also change out one of solid grommets for a hollow ground. With our new grommet installed, well go ahead and fish our wire through, and attach it to the box, and then were going to use a self-tapping screw to attach it to the frame. Now well go ahead and get the rest of our break cable ready, the gray cable will be for our electric brakes. Well cut back the gray sheath to expose our two wires.

Our white wire will go to ground, our black wire well go ahead and post to label blue, blue is only the function for brakes. Well go ahead add some ring terminals to it, then temporally put them into position. Now well go ahead and hook up our wires for our trailer lighting, well also go ahead and run it through the grommet and then go ahead and install our ring terminals. Now the brown wire on our trailer will be even running light circuit that will go to the post labeled brown, it will also say taillights on there. The green wire will be our right turn signal, well go ahead and connect that wire to a post labeled green, and it will say right turn.

The yellow wire well be our left turn signal and that will be connected to post labeled yellow and left turn. Now these wires have been loosely installed. Next well go ahead and wire our trailer connector, this is going to be a seven molded trailer wire connector, eight foot long, part number h20046. You see the seven pole and we have our wires. Once thing to know about this is that the functions do not match the colors better on the trailer. Now on the other side of the box well go ahead and replace them with solid grommets with a hollow grommet and well go ahead and run that over our wire that we can go ahead and push the wire back into the box. Then well go ahead and add our ring terminals to our wires. Now well go ahead and start attaching our wires, well start off with the green wire from the seven-pole which will be our running lights; this will be connected to the post with the brown wire from the trailer lights. The brown wire will be our right turn so that it will be connected to the post with the green wire from the trailer lights. The red wire will be the left turn function on the seven-pole, so well connect that to the post with the yellow wire from the trailer lights. Our blue wire will be our brake control power, so well hook that up to the post labeled blue. Now our yellow wire is usually reserved for reverse light or whatever function youd like. However, this application is not being used, so well just ignore that wire. Our black wire will be our 12 volt power supply, however this trailer is not using it right now, but well keep it to the junction box for our upgrade in the future. Well now go ahead and take our white wire push it to the ground from our towing vehicle that will be transferred to the trailer and well connect that back up to the white post, well get two white wires. With all of the wires in place well go ahead and tighten down the nuts. Next well go ahead and install the clamp from the wires that come in from the trailer side. Looking at the box on the left hand side there is provision for a clamp. Well make sure everything is pushed together properly and wont get pinched, well go ahead and install the cover. Well fasten and replace of these two bolts. Thats what it takes to install our junction box. All right with that it will finish it for our install of part number 38656, a trailer line junction box on this new trailer.


Customer Reviews

Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard - H20046

Average Customer Rating:  4.8 out of 5 stars   (525 Customer Reviews)

Replace your damaged 7-way, RV-style, trailer-end connector with this molded cable. Durable cable covering resists damage. Wiring codes are RV standard.

- H20046
by:

This was such a easy install and fixed all of my TT lighting problems. Love the shipping (2days) and the detailed instructions. 565065



- H20046
by:

Pros: Best wire gauge in a 7 pin connector I could find. Cons: reverse lights (red), left turn (yellow), right turn (green), and running light (brown) and not wired correctly in the plug for their respective wire colors. I bought this for a sealed plug with good gauge wire to help save some time. What I got was a total headache trying to find out the problem of why it was not working correctly. This might not have been so bad had it not been on a new to me truck that I was not so trusting of the wiring in it. So I wound up looking at the truck first not thinking the plug would be wired incorrectly. Be warned. 13049



- H20046
by:

I installed this Hopkins connector cable on my 2003 Jayco 12 Sd popup camper because I replaced hydraulic brakes on it with the electric brakes. Needed some extra wires. Four were not enough to operate the lights and electric brakes. Installation was quick. I had to match wires on the trailer with cable wires. Cable looks great and so far it works great. We just checked out on our first camping trip this year. 528698



- H20046
by:

The only reason I had to order myself a second one of these is that I cut the first one too short...after grumbling "measure twice, cut once" to myself about 50 times, I ordered the new one and will do the job right this time. I would also recommend using a junction box to make your connections; this helped me organize the project, and make neater, more secure electrical connections than simply splicing wires. Measure twice! // Kudos to Etrailer.com for getting this to me quickly. 126506


Comments

This molded plug pigtail has held up perfectly, in all kinds of weather, for the year that Ive had it installed on the trailer. Im still glad I wired it through a junction box like the one in Bob Hs review below. The box is a lot easier than managing 14 loose wires.

Hans V - 04/22/2015

11031

Thanks for your follow up and reply. Also happy to hear that Bob H's review and suggestion of using a junction box was helpful to you.

-- Rachael H - 5/11/2015


- H20046
by:

The items arrived in great shape. The instructions were easy to follow. Everything works great. I would defiantly order for E-Trailer again. 490051



- H20046
by:

This item was received in good condition. The quality looks to be excellent. Will put in use very soon. T 562599



- H20046
by:

Installed fairly easily, wiring colors matched previous wiring harness (verified before install with multimeter), and worked well. Would buy again! 574360



- H20046
by:

My wire harness was easy to install, looked great and performed great. One year later and it still looks and performs great! I definitely recommend to anyone building their own trailer or are looking to upgrade to better wiring! My homemade trailer was a great success, thanks to etrailer.com! 562417



- H20046
by:

This pigtail is an exact replacement for the one on my '04 Jayco. It was a quick job because I already relocated the junction box to inside the pin box a few years ago. What threw me for a loop was the wiring pin-out on the e-trailer site. I don't know if the standard is different on newer trailers but the lighting part of the pin-out (trailer side colors) is completely wrong (or different than my Jayco). As a sanity check I rang out the wires on the new pigtail with it connected to my truck and it turned out this was a color for color swap. It's good to make sure anyway. After the installation I used a jumper to power the circuits through the new pigtail just to make sure it was wired correctly. For the record I used: BLK = +12VDC WHT = Ground RED = Left T&B GRN = Tail BRN = Right T&B BLU = Brakes YEL = Backup Lights 209969



- H20046
by:

Why not have the colors match? After running my wires neatly to a junction box then haveing lights not work right,I had to match each wire to the correct light,red to yellow,brown to green,green to brown.I come to warn other buyers and see they have the color codes on the site.So if all the trailers have the same colors, Why can't they just make the plug to match. 3503


Comments

I agree! All the right colors, all the wrong places: Makes no sense, and comes with no warnings. At least make all the wires one color, that way I would know its up to me to figure out! No warnings, no label.I am teaching students how to install wiring on a trailer, neatly, professionally, and using the DOT accepted national color codes. The end result was a mess of lights not working and backwards.Everything else ordered from etrailer was perfect. 4 brake and backing plates, seals, junction block, breakaway unit and 50 of cable. ALL standard color codes in everything. This Hopkins cord needs to have a very deliberate label on it, and it needs to say CAUTION: DO NOT FOLLOW STANDARD WIRING PRACTICES

-- comment by: Mike K - 06/18/2015

12606

Thank you for your comment. This is why we recommend wiring by function not by color. We do offer a chart above that shows the color of the wire, function of that wire, and the typical trailer wire that is should be connected to. I have also included a link to one of our helpful articles that show the different trailer wiring plug configurations for your reference.

-- Rachael H - 6/18/2015


- H20046
by:

Better quality than expected, lots of communication, excellent customer service. 215038


Comments

It has lasted longer than another item we purchased from the local trailer shop. Great quality product.

raymond - 07/27/2016

19683

- H20046
by:

Installation on my travel trailer was pretty straight forward. Before I ordered this I did a little research on Hopkins web site, as there are several different products they offer. The differences are the type of pins, flat or round, length of the wires and the wiring colors. There is an SAE standard and an RV standard for wiring colors. This one is the RV standard, and the colors matched mine exactly. I also got the Pollak 10 terminal box to replace the metal house electrical box on the trailer. The terminal strip in the new box is about 6" long, and I left all the wires on the pigtail the same length, so I had to bend them around in the box to get them on the terminals. If I had to do it again, I would cut the wires different lengths reduce the bends I had to make. I went to my local Ace hardware and they had a great selection of crimp connectors. I used the ring terminal connectors for a #8-#10 stud, which fit perfectly. 447592



- H20046
by:

Product was exactly as described. Easy to install. Works great. Fixed the problem I was having with previous plug 657647



- H20046
by:

Exactly as described. Perfect fit. 656335



- H20046
by:

Fast shipping good product easy to inst all 653330



- H20046
by:

I ended up ordering a non-standard item, and etrailer called and emailed to let me know this item was in stock. I changed my order and this item arrived quickly and was as advertised. 652695



- H20046
by:

Great service! 642140



- H20046
by:

Overall the harness works well. I've had it for a year and have had no issues. The one downside I do not like is that the shielding over the wires is not secured and sealed to the connector. There can be a gap between the connector and wire shield that could allow rain to get in. All of the wires have their insulation on them so there is no bare wire showing but it would be better if was a sealed unit. The one I replaced was sealed. I wrapped some electrical tape around the joint so no issue. 635925



- H20046
by:

Great plug just want I wanted.. 634573



- H20046
by:

I used this harness to make an extension for my truck camper. Other than the fact I ordered the version that was twice the length I need it worked out great. 620030



- H20046
by:

Very good for the money. I was able to get it connected and working in a short amount of time. 619221



- H20046
by:

Donna, thank you for your assistance, All products arrived,just as you described. Thanks again 613403



- H20046
by:

great product, nice upgrade to my light harness 609702



- H20046
by:

Thank You 608980



- H20046
by:

Excellent, made hook up easy 608057



- H20046
by:

Nice high quality wires and plug. All molded one piece with much less chance to fail. Works great and has held up to all seasons of weather with no issues. All my trailers use these now. 599995



- H20046
by:

great product and quick delivery. woo h oo! 594039



- H20046
by:

Everything arrived as I expected. 590896



- H20046
by:

Great harness. Worked as advertised. 590026



- H20046
by:

The grade was the same as other plugs we have gotten elsewhere, but the color wiring is not where they should be for connecting. I even asked before purchasing and was assured they were correct. 585525


Comments

There is more than one accepted wiring color code convention on a 7-way trailer connector, which is why we list the color codes in the product description. The color code is as follows: White-ground, Red-left turn/brake, Brown-right turn/brake, Green-taillight, Blue-power to trailer brakes, black-12 volt accessory power, yellow-auxiliary.

-- Mike L - 11/28/2018

46137

- H20046
by:

The product did what it was designed to do. It is a great product. 584189



- H20046
by:

Christina J assisted me over the phone with my purchase. She was knowledgeable, had a great attitude, but most of all she is delivering legendary customer service. I want to thank Christina and the company for a job well done. I will highly recommend your company to others. Thank you, Mike Walkley 579877



- H20046
by:

Never been disappointed with your products and the free shipping is always appreciated. Thanks for the fast service. 579121



- H20046
by:

Quality made replacement for substandard/short trailer wireharness that comes with many trailers. I expect it will still be working fine for another 5-10 years. 578905



- H20046
by:

Easy to install and easy to wire up, highly recommend this product 577484



- H20046
by:

perfect fit and replacement for the damaged one I had to replace 576251



- H20046
by:

Excellent customer service and fast shi pping. 574532



- H20046
by:

As described. 573536



- H20046
by:

Good afternoon I found your products to be very good quality and I look forward to putting them through the paces considering I work at a training center. Your service reps were very product knowledgeable and answered all of questions and didn't push me toward something I don't want or need. I look forward to working with you guys again in the near future. 573280



- H20046
by:

I ordered this item to replace one that had been damaged. Perfect fit. ETrailer is a true pleasure to work with. Very knowledgeable, great products and super quick to respond to product questions and requests for advice. 564343



- H20046
by:

Needed a replacement pigtail to have on hand in the even the cable on the trailer were to get damaged, looks just like what I've got now 561726



- H20046
by:

This cable was exactly like the damaged cable on my 2104 Jayco Octane trailer. You can't just use any multi-conductor cable because this cable has different sized conductors for various purposes. 561111



- H20046
by:

great product quick delivery 555814



- H20046
by:

Replacement product. 548575



- H20046
by:

Great product, easy to install. I would buy it again. 548268



- H20046
by:

Very happy with etrailer 547555



- H20046
by:

Well built and just what i expected. 546969



- H20046
by:

Great price and quick delivery! 543016



- H20046
by:

Good morning. I am not a happy camper. I order a 8 foot and got a 6 foot 541434



- H20046
by:

Delivered as promised, quality excellent 529204


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531
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Info for this part was:

Expert Research:
Michael L
Video Edited:
Zack K
Expert Research:
Robert G
Expert Research:
Michael H
Installed by:
Jeff D
Expert Research:
Jameson C
Expert Research:
John H
Expert Research:
Brandon M
Expert Research:
Adam R
Photos by:
Jim W
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