bing tracking image
  1. Trailer Wiring
  2. Hopkins
  3. Wiring Adapters
  4. Single-Function Adapter
  5. 6 Round
  6. Plug Only
Adapter 7-Pole to 6-Pole - Universal
Hopkins

Adapter 7-Pole to 6-Pole - Universal

Part Number: 47549
$21.52
Retail:$123.09
You Save: 83%
Trailer Wiring
Add to cart
Hopkins Wiring Adapters - 47549
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Videos

Need help with installation?
Locate installers near me
Great Prices for the best trailer wiring from Hopkins. Adapter 7-Pole to 6-Pole - Universal part number 47549 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (78)
  • Q & A (0)
  • Videos (1)
  • Photos

Hopkins Trailer Wiring - 47549

  • Wiring Adapters
  • Single-Function Adapter
  • 6 Round
  • Plug Only
  • 7 Round - Blade
  • Hopkins


Adapter converts your 7-pole plug on the vehicle down to 6-pole plug to fit your trailer's connector.


Note: Center pin is set-up as the hot lead but can easily be changed to work with trailers that have the center pin wired as the brake.



47545B Adapter 7-Pole to 6- Pole - Universal




California residents: click here


Video of Adapter 7-Pole to 6-Pole - Universal

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




Video Transcript for Adapter 7-Pole to 6-Pole: The Breakdown

Jeff: Hello everybody, this is Jeff at etrailer.com. Today we're going to take a look at this Hopkins seven way blade to six way round adapter. Now this adapter will plug into your vehicle's side seven way blade socket, and it converts your connector format to a six way round pin type. You can see it has this nice tethered dust cap on it, then when it's not plugged in, you can protect the terminals.Now, one note on this adapter, the center pin is set up as the more common 12 volt hot lead, but it can easily be changed to work with trailers and will have the center pin wired as the brake. And to do that, what you'll first want to do is you'll need a circuit tester to test the pins in your six way connector. Basically just ground the alligator clip to the vehicle chassis, and then touch the test light to the center pin on your six way connector.

If the light and the tester lights up, then that means the center pin is hot so it's wired for 12 volts. So you can use it as-is.If the center pin is for the brakes, it'll only have power when your brake pedal is applied or when the manual brake lever on the brake controller is activated. So if it does work that way, you need to switch it. You can easily do that. What you'll want to do if you need to switch it, all you have to do is switch the blue and the black wires that are inside this adapter.

So what you'll do is basically just remove this tethered dust cap, and then if you'll notice right here, there's two screws here and then two right up here. If you just unscrew all four of those screws, this'll split in half, in the inside you'll be able to see where the black wire is attached to the center pin. And then you also see a blue wire, all you have to do is just switch the black and the blue wire, attach them back down, put your screws in. Go ahead and put your dust cap back on, and just like that you're ready to go. So it's pretty easy to switch between the two.But that should do it for the review on the Hopkins seven way blade to six way round adapter..

Customer Satisfaction Score:


Customer Reviews

Adapter 7-Pole to 6-Pole - Universal - 47549

Average Customer Rating:  4.8 out of 5 stars   (78 Customer Reviews)


by:

product is exactly what was ordered, quick service and a very reasonable price. Adapter plug is just what I needed and is well made.



by:

Added the gooseneck trailer plug in bed and I wanted to be compatible with new and old style plugs. Adapor worked great.

Grant

3/20/2021

Excellent



by:

We had been having trouble with our other adapters, no brakes or intermittent brakes. This adapter fits better than any of the others ever have, great connection and is holding tight. I will be picking up some more of these. The only downside to me was they came on the value shipping which is rather delayed for us and I would rather pay to get it here more quickly. I was needing it and it was several days getting here. We ship a lot and I know shipping directly with USPS goes faster than that and is not expensive.

Jo B.

1/28/2020

It works just like new! No complaints at all. I noticed another review stated theirs is not fitting, sometimes the pins can get a little distorted on the vehicle side and can be easily straightened.



by:

Bought this adapter to use pulling our horse trailer. It's worked great.
Cathy was very helpful when I called with questions prior to purchase.

Kp

11/15/2017

The trailer light adapter has worked just fine. I only use it periodically, but when I have, done the job!!! Thanks for checking on it!



by:

I unplugged the broken plug-in trailer part from my truck
and attached the new part that I bought from your company. It actually fit in the same holes which I bolted back on. Plugged it back in to my truck, hooked up my horse trailer and all my lights worked!!!! I didn’t replace the male end on the horse trailer and it all matched up perfectly. Very easy to install



by:

One year ago I called etrailer to order parts. The customer service rep was very knowledgeable and helpful. Thank goodness for knowledgeable people. Makes my life easier. I do think etrailer has a good system in place and a desire to excell and be good at what they do. The products still work fine. Thank goodness- since etrailer doesn't do the manufacturing.
Thanks etrailer.



by:

This was just the adapter I was looking for but no one had enough information to determine the brake signal wiring for sure - except for etrailer. Their technical information is always way ahead of the others. The price was great as well. Delivery was outstanding. They will get all of my business for trailer supplies.



by:

Was easy to change 12v and electric brake wire internally for trailers with the two opposite of each other causing brakes to lock.



by:

Works as designed. It's wired for the six pin round to have the center pin as the aux, and the electric brake on the outer ring, which is fine. I note the advertisement says these two pins can easily be swapped, but there was nothing in the instructions which indicated how that might be done.



by:

Very good product, fit both ends well. the 6 point side that is for a trailer was just a tad loose but alittle electrical tape for extra insurance works fine.



by:

Works great. Does what its supposed to do - converts a 6 pin round plug on a trailer to a 7 pole jack on the truck.



by:

Great products, fast delivery and good prices. They had everything in stock including the Ford specific brake cable and 7 to 6 pole adapter. Ordered last Monday. Received on Thursday. Put every in this weeked and am using it today (one week after order placed.



by:

The adapter arrive in record time and worked very well. The web site had useful information that helped in the selection.



by:

Appears to work well adapting a 7 pin motor home to a 6 pin magnetic light system.



by:

I needed another product that I couldn't find locally and also needed this so I ordered it from etrailer also. Postage cheaper than gas to go find one and etrailer price was very resonable. Nice people, great commication, and super fast shipping.



by:

Got a new truck and needed an adapter for our soon to be traded in trailer. This worker great. I have ordered several items form etrailer and their service is great.



by:

Worked great, all lights worked. Want to thank Diana for her help ordering this product and shipping it to us on time for us to go camping.

Thanks again



by:

This product worked perfect to upgrade my trailer to my newer model wiring system on my tundra



by:

Good quality product. Easy to change pin configuration. Great replacement for worn out adapter. Received product in just a few days.



by:

Love this cause, I just don’t have the time to re- wire the bucket truck so it’s nice to just plug this in an I can hook are chipper up !!!!



by:

The product works fine but... what a great company. An informative website and great followup. All companies could learn something from eTrailer's example. They really care about what I think.



by:

The product was good, however it doesn't fit into my 7-way plug. Something is not aligned right.



by:

As always orders was processed, shipped. and delivered without any problems. Very timely. Thanks etrailer!



by:

Bought this in case I might need it one day. Have not used it yet. Seems to be of good quality.

Charles

1/28/2018

I still havnt used the adapter.



by:

Quick and reasonable shipping. Straight forward product and as described. Will definitely consider this site for future needs.


25
78
Show More Reviews

See what our Experts say about this Hopkins Trailer Wiring

  • Converting A 6-Pole Trailer to 7-Pole Tow Vehicle Connection
    The Hopkins Adapter 7-Pole to 6-Pole # 47549 plugs into a vehicle side 7-way socket and converts that connector format to a 6-way round-pin type. If you think you will need some length for your connection, # HM47083 is an alternative that does the same thing but includes a coiled cable that is 3-feet long when stretched fully while the # 47549 is just the adapter portion without the extension cable. 47549 can be changed to allow a different function - trailer brakes - to be carried on...
    view full answer...
  • Trailer Brakes Lock Up When Using 6 to 7-Way Trailer Connector Adapter
    It sounds like you have a wiring mixup either on the vehicle or trailer. In order to check this you are going to want to test the vehicle with a circuit tester and the trailer with a 12 volt battery. You can then use the two photos I have attached for you to make sure the wires are in the correct terminals on the trailer connectors. I would also check with the manufacturer of the 6 to 7-way adapter to see how it is wired. For example, the Adapter 7-Pole to 6-Pole part # 47549 is wired so...
    view full answer...
    Image 1 for Image 2 for
  • 7-Way Trailer Plug Adapter or Compatibility with Lance Slide-In Truck Bed Camper
    Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we do have adapters for. If you have a 7-way round, then you will use adapter # 47595. If you have a 6-way plug then you will use adapter # 47549 or # PK12728. If you have the special Lance plug, I recommend replacing it with # A7WCB which would directly...
    view full answer...
    Image 1 for
  • How to Convert a 4-Way Connector to a 5-Way with Separate Taillight Circuits
    It sounds like you have a trailer with separate tail lights from the brake light circuit and you are looking to convert the 4-way from your motorcycle to a 5-way. First thing you will need to do is convert your combined tail light circuits to a separate tail light circuit. So like you said you would need another converter box. You would want a Converter Box # 118158 to make that conversion. You will also want to get a Hopkins Endurance 5-Way Flat Trailer Wiring Kit # HM47890 to give...
    view full answer...
  • How Do I Find The Reason For Having No Right Turn Or Brake Light On A Trailer?
    As you checked your fuses and grounds, what is most likely going on is a break or short somewhere. You will first need to check the 3 o'clock position on the vehicle's 7 Way with something like the # PTW2992 to make sure it is indeed the trailer where the issue lies. If you are getting a pulsing signal with the blinker and constant power when the brake is pressed, then it is definitely the trailer. If you do not, the break or short is on the vehicle side and you will either need to trace...
    view full answer...
  • Do Hopkins Trailer Wiring Adapters # HM47083 and # 47549 Do the Same Thing
    Both of the Hopkins wiring adapters you referenced, parts # HM47083 and # 47549, will plug into a vehicle side 7-way socket and convert that connector format to a 6-way round-pin type. The main difference is that part # HM47083 includes a coiled cable that is 3-feet long when stretched fully while the # 47549 is just the adapter portion without the extension cable. Another difference is pin configuration. Usually 6-way connectors use the center pin for the trailer's 12V power feed. This...
    view full answer...
  • Replacing 6-Pin Trailer Connector For 7-Way Blade Connector
    If you are not wanting to use a Adapter 7-Pole to 6-Pole # 47549 and would rather wire in a new Hopkins 7-Way RV Style Connector # HM20087 the wiring may be confusing. There may be some trial and error involved as the wiring could have been connected differently on your trailer. I have included a picture below of the plug wiring if you have not already removed the 6-pin connection so that you will be able to label the wires based off their location in the connector. I recommend tracing...
    view full answer...
    Image 1 for
  • Coiled Flex Umbilical Cable to Join 7-way on RV to 6-Way on Flat Towed Vehicle
    Hopkins offers a flex cable, part # HM47053 that sounds exactly like what you need. On one end, it has the 7-way plug that's compatible with your RV, and a 6-way plug on the other that would plug into your towed vehicle. I'll link you to some of our help articles that contain additional information about flat towing.
    view full answer...
  • Plug-And-Play Trailer Connector for 2005 Chevy Silverado
    A 5 pole round connector is really rare, with the 7-way, 6-way and 4-pole flat being the most common. Most trucks that come with an OEM trailer connector will come with a 7-way. A 6-way is sometimes found on horse trailers, and a 4-pole is the basic connector used for smaller trailers that supplies lighting circuits only. I've edited a photo for you showing an example of the plug and socket (or trailer and vehicle ends) of each of these connectors. I'd recommend fitting your truck out...
    view full answer...
    Image 1 for
  • Parts Needed to Wire a 2007 Nissan Frontier with a 6-Way at Front to Flat Tow with RV with 7-Way
    The first thing you are going to need is a lighting kit for the 2007 Nissan Frontier to flat tow it. You can use diode kit # 154-792-118158. You could then replace the 4-Way end that will be at the front of the vehicle with # RM-910030-7 for a 6-Way if needed. The wires from the diode kit have the following functions: White is ground, Brown is running lights, yellow is left turn/brake lights, and green is right turn, brake lights. At the BACK of the 6-Way on the front of the Nissan you...
    view full answer...
    Image 1 for
  • Recommended 6-Pin To 7-Pin Adapter For Towing A Trailer
    If your trailer has a female connection point then you'll want to use the Curt Tow Bar Extension Cord w/ Socket - Coiled - 7-Way RV to 6-Way Round Cord # C59HR. If your trailer has a cable with a male 6-pin connector then you'll be able to use the 7-Way to 6-Way Round Trailer Connector Adapter # 47549. The male end of your 6-pin connector will simply plug into this connector allowing you to plug into your tow vehicle's 7-pin socket.
    view full answer...
  • Recommended 5th Wheel to Gooseneck Wiring Adapter on 1999 Ford F-250 & 350 Super Duty w/Factory Plug
    Good news, I can help. Your year and model of Ford truck was made with two styles of connectors when they were being wired in at the factory. This means you will need to look at your factory 7-way under you vehicle and see if the back of the 7-way connector has the round adapter or if it has a molded cable that leads back to a rectangular connector on the drivers frame rail. I've attached an image of the two for you to better see. If you have the factory round connector on the back...
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • How To Run A 7-Way Truck Connector To A 6-Pole Trailer Connector
    In order to run a 7-way to 6-pole from your truck to your trailer, you will want to mount an additional 7-way to 6-pole in your 1999 Ford F-350's bed. This will allow you to use a standard length adapter to connect the trailer and vehicle to one another without having to route the adapter up through the bed. You can do this by using our 5th Wheel / Gooseneck T-Connector with 7-Pole part # 50-97-410. This adapter will allow for the use of the original 7-way on the trailer hitch in addition...
    view full answer...
  • Troubleshooting Trailer Lights That Go Off When 2011 Dodge Ram Is Put in Reverse
    It sounds like the wiring on your trailer 7-way connector is wired incorrectly. Try using a circuit tester like part # PTW2993 and testing each pin on the trailer connector for function. If the pins on the connector are compared to the hands of the clock, the pin at the 1:00 position is the 12-volt accessory feed. This pin should show constant voltage. The pin in the 3:00 position should show voltage when the right turn signal and brake is activated. The pin in the 5:00 position carries...
    view full answer...
    Image 1 for
  • Recommended Front Camper Tie Downs and Electrical for Lance Camper in 2021 Ford F-350
    We do have the parts you're seeking for your 2021 Ford F-350. If you wanted a stake pocket tie down, the Brophy Stake Pocket Mounted Camper Tie Downs - Bed Mount - Black Powder Coated Steel - Qty 4 # TDSF are a universal solution that would work well; the only draw back to these is that they are permanently installed and do require drilling to install. For a frame mounted solution I recommend using the TorkLift Custom Frame-Mounted Camper Tie-Downs - Front # TLF2021, which will offer you...
    view full answer...
  • How to Connect Vehicle with 7-Way to Trailer with 5-Pole Flat Wiring for Surge Brake Lockout
    The best long-term wiring solution for connecting your vehicle that has a 7-way and your trailer that has a 5-pole flat is to install a 7-way male plug on the trailer wiring. This lets you avoid adapters like # 787196 which can become unreliable over time. We have parts like # PK12706, # A7WCB and # A7WCB (and others) shown on the linked page that connect to the trailer's existing wiring to give you a plug that directly matches the 7-way on your Pilot. Another better option is to add...
    view full answer...
    Image 1 for
  • How to Set a 2015 Nissan Frontier Up for Towing a Trailer with Brakes
    According to my research, your 2015 Nissan Frontier should have came with a 4-way trailer connector like part # HM43575 which would not have the circuits needed to operate electric brakes. In order to set your vehicle up for towing a trailer with electric brakes you are going to need either a 6 or 7-way trailer connector in addition to a brake controller. For a 7-way trailer connector, I recommend using the 7-Way RV and 4-Way Flat part # ETBC7. This trailer connector will allow for you...
    view full answer...
  • Brakes Lock Up On Tandem Trailer When Connected To 2006 GMC With Tekonsha Brake Controller
    When you plug in your electrical connector to your trailer and the brakes lock up it will usually mean that the connection for the brake wire and the power wire is reversed. You mentioned you plugged it into a horse trailer. It is common on horse trailers to use a 6-Way trailer connector. A 6-Way connector can have the center pin wired in two different ways. It can have the center pin wired for 12-volt power or it can be wired for the brake lead. If one trailer is wired for the center...
    view full answer...
  • Trailer Brakes Immediately Lock When Trailer is Plugged In
    There are two accepted ways of wiring a 6-way trailer connector. One uses the center pin as the 12-volt power accessory feed, the other uses the center pin for the brake output circuit. It sounds as if your trailer and adapter are wired differently, locking up the brakes as soon as the trailer is plugged in. The 7 to 6-way adapter, part # 47549 comes with the center pin wired up as the 12-volt lead, but it can easily be taken apart and rewired. See the picture to the right for typical...
    view full answer...
    Image 1 for
  • Recommended Adapter For 2004 Silverado To Connect 7-Way To Junction Box On Trailer With 6-Way
    The 7-Pole to 6-Pole Adapter I recommend is part # 47549. The colors of the wires you have on the junction box on your trailer may not match the colors of the 7-way harness on your 2004 Silverado. We always recommend using a circuit tester like part # PTW2993 to check the function of the connectors for that reason. I have attached a link to a helpful article on wiring you can check out.
    view full answer...
  • Horse Trailer Brakes Activate Without Vehicle Brake Pedal
    The '.C' means that there is a trailer connected and isn't an indicator of a problem. Are you by chance using an adapter in the 7-way connector to change it to a 6-way? If you are, there are two common ways to wire that connector. One uses the center pin as the brake output, the other use the center pin as the constant 12-volt power supply to the trailer. If the vehicle is wired one way and the horse trailer the other, it would certainly explain why the brakes immediately apply when the...
    view full answer...
  • Brakes On Horse Trailer Do Not Operate and Lock Up When In Reverse on 2004 Chevrolet 3/4 Ton Truck
    There is a possibility that the wiring going into your 7-way connector is wired incorrectly and that the brakes are connected to the reverse circuit. You will need to use a circuit tester, part # PTW2993 to test and make sure the wiring is run correctly into the 7-way connector. For this, you will need a helper, have your helper apply the parking brake of the vehicle and run the light, brake and reverse functions as you use the circuit tester on the appropriate wire for each function. Many...
    view full answer...
  • No Power on Right Turn/Brake Light Circuit on Jeep Wrangler Trailer Connector
    If your Jeep came with a factory installed tow package that included the trailer wiring harness/connector then it could be a fuse or relay specific to the tow package wiring. You will need to consult the vehicle owners manual to find the fuse/relay locations to check them. Also make sure that the wires are all intact at the back of the connector and that there is no corrosion inside or outside of the connector. You can also inspect the wiring and make sure there are no breaks in the wiring. If...
    view full answer...
  • Re-Wiring 7-Way RV Style Trailer Side Wiring Connector
    I can certainly help you re-wire your trailer-side 7-Way connector. Thanks for the photo of your connector, it helped verify the style connector and which wires you have! The attached wiring diagram will help you in attaching the wires back to your connector. Based on your photo, the only wire you don't have is the Blue wire that would be for the Brake Controller Output/trailer brakes signal. The Green wire should carry the Tail and Running light circuit, Black is 12V power, Yellow is...
    view full answer...
    Image 1 for Image 2 for


< Previous
123. . .7



Do you have a question about this Trailer Wiring?


Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Michael H
Expert Research:
Michael H
Employee Jeff D
Expert Research:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee John H
Expert Research:
John H
Employee Adam R
Expert Research:
Adam R
Employee Jeffrey L
Expert Research:
Jeffrey L
Employee Victoria B
Expert Research:
Victoria B
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.