Price: $21.77

Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way

Item # HM47570

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hopkins wiring adapters multi-function adapter endurance multi-tow trailer connector - 7-way to 6-way 5-way or 4-way
hopkins wiring 7 blade 6 round 5 flat 4 hm47570
hopkins wiring adapters 6 round 5 flat 4 endurance multi-tow trailer connector adapter - 7-way to 6-way 5-way or 4-way
hopkins wiring adapters 6 round 5 flat 4
hopkins wiring adapters 6 round 5 flat 4
hopkins wiring adapters 7 blade hm47570
hopkins wiring adapters multi-function adapter
hopkins wiring multi-function adapter 6 round 5 flat 4 hm47570
hopkins wiring multi-function adapter 7 blade hm47570
hopkins wiring multi-function adapter 7 blade

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wiring hopkins multi-function adapter 7 blade hm47570
wiring hopkins adapters 7 blade endurance multi-tow trailer connector adapter - 7-way to 6-way 5-way or 4-way
wiring hopkins adapters 6 round 5 flat 4 in use
wiring hopkins 7 blade 6 round 5 flat 4 hm47570
wiring hopkins multi-function adapter 6 round 5 flat 4 hm47570

Customer Photos

hopkins wiring adapters 7 blade hm47570
hopkins wiring adapters 7 blade endurance multi-tow trailer connector adapter - 7-way to 6-way 5-way or 4-way
hopkins wiring multi-function adapter 7 blade hm47570
hopkins wiring multi-function adapter 7 blade in use
hopkins wiring adapters 6 round 5 flat 4 in use
hopkins wiring multi-function adapter 6 round 5 flat 4 hm47570
hopkins wiring 7 blade 6 round 5 flat 4 hm47570
hopkins wiring adapters 6 round 5 flat 4 endurance multi-tow trailer connector adapter - 7-way to 6-way 5-way or 4-way
hopkins wiring adapters 7 blade hm47570

Videos


  • Wiring Adapters
  • Multi-Function Adapter
  • 7 Blade
  • 6 Round
  • 5 Flat
  • 4 Flat
  • Plug Only
  • Hopkins
Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals are covered with easy-open, weatherproof lids. Lowest Prices for the best wiring from Hopkins. Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way part number HM47570 can be ordered online at etrailer.com or call 800-298-8924 for expert service.



Hopkins Wiring - HM47570

Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals are covered with easy-open, weatherproof lids.


Features:

  • Trailer adapter changes your vehicle's 7-blade connector to a 6-pole
    • 4-Pole and 5-pole flat connectors also built in
  • Quick-Change plug on 6-pole terminal accommodates both 6-pole trailer wiring codes - center-pin brake or center-pin hot
    • Simply remove plug at base of connector, turn it around and plug it back in - no need to rewire
  • Reinforced, easy-grip covers
    • Open 180 degrees for effortless connections
    • Internal seals for ultimate weatherproofing
    • Rugged, oversize hinge
    • Terminal grease packet included
  • Works with 6-way, 5-way flat and 4-way flat trailer connectors
  • 3-Year warranty


Quick-Change Plug

This adapter not only changes your vehicle's connector from a 7-way RV blade to a 6-way, 5-way or 4-way, it also has a patented Quick-Change wiring plug to accommodate both 6-pole wiring codes. Just remove the plug at the the base of the adapter, turn it and replace it to switch to a center-pin-hot design from center-pin-brake design, or vice versa. No rewiring necessary.

The heavy-duty, weather-resistant housing and covers on this adapter provide maximum durability. Even the oversize lid hinge is built to last, allowing the lids to open a full 180 degrees for simple connecting without breaking off.






47570 Hopkins Endurance Multi-Tow Adapter - 7 RV to 6 Pole (2 Wiring Codes), 5 Wire and 4 Wire Flat



HM47570 Installation InstructionsInstallation Details HM47570 Installation instructions



Value - This item

Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way


Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way
Hopkins Wiring

106 reviews

Code: HM47570

In Stock

Our Price: $21.77


  • Wiring
  • Wiring Adapters
  • Multi-Function Adapter
  • 7 Blade
  • Plug Only
  • 6 Round
  • 5 Flat
  • 4 Flat
  • Hopkins


Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals are covered with easy-open, weatherproof lids.

more information →
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  • Tow Ready


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  • 4 Flat
  • Plug and Lead
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Hopkins Endurance Multi-Tow 4-Way Flat to 7-Way RV Trailer Adapter w/ 4-Way Vehicle End Plug


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  • 4 Flat
  • Plug and Lead
  • 7 Blade


Adapt a 4-way flat to a 7-way RV-style socket while still retaining use of the 4-way. Or simply replace a damaged 7-way connector. Plug into tow package for 7-way, or plug into existing 4-way and hardwire into vehicle to get additional functions.

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Video of Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way


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




Video Transcript for Hopkins Wiring HM47570 Review

Today we are going to review part number HM47570. This is the Hopkins Endurance Multi-Tow Trailer Connector Adaptor. This trailer adaptor will change your vehicle 7-blade connector on your vehicle to either a 6-way connector or the 4 and 5-way flat connectors.This is built with this oversize lead hinge, which is built the last and it also allows the lids to open, as you can see, 180 degrees to help in simple connections. It does have internal seals for ultimate weatherproofing. It does come with this dielectric grease packet, so when you do and put your or plug your plugs in you can put the dielectric grease on that will help the connection and keep any corrosion from forming around your connectors. This part does come with a 3-year warranty. The main feature about this which is really nice is it comes with this quick-change plug right here, and what that will allow you to do is when you go to do a 7-way connector if you are going to go from 6 or 7-way to a 6-way, on a 6-way connector there is actually two ways that a 6-way can be wired and basically it has to do with that center-pin.

The center-pin can be wired either for the as a 12 volt hat design or it can be wired for the trailer brake connection. What you want to make sure is that when you plug your 6-way in that center-pin will match whats on your trailer.Otherwise, if its wired, if that center-pin is wired for a straight 12 volt power, if you go to plug it in your trailer and it needs it for trailer brakes it will lock the brakes on your trailer. The easy solution to that with this adaptor, which is nice, is youll just take this quick-change plug, and if you just pull up on it, and you can see there is two connectors and two wires, if you just rotate it 180 degrees plug it back in, just like that, that has changed your center pole connector. In other words, it will change it from the 12 volt power to the trailer brake power or vice versa, whichever way you needed it.So there is no rewiring necessary. It used to be when you did an adaptor you would have to rewire that center-pin to whatever you had on your vehicle or on your trailer, now with this quick-change plug it makes it very simple changing that center pinges by turning it and plugging it back in, that will reverse what that center-pin would do. This does come with a 3-year warranty and that should do it for the review on part number HM47570, the Hopkins Endurance Multi-Tow Trailer Connector Adaptor .


Customer Reviews

Hopkins Endurance Multi-Tow Trailer Connector Adapter - 7-Way to 6-Way, 5-Way or 4-Way - HM47570

Average Customer Rating:  4.9 out of 5 stars   (106 Customer Reviews)

Heavy-duty trailer adapter features a unique Quick-Change wiring plug that lets you switch between 6-way wiring codes quickly and easily. Outlet for 4-way and 5-way plugs is also built in. Terminals are covered with easy-open, weatherproof lids.

- HM47570

by: GERSON S VALLES03/25/2013


I needed an adapter for my electrical towing harness so the that I could use a 5-Way connector on my 7-WAY plug. On line, I found and ordered Item No. HM47570 "HOPKINS ENDURANCE MULTI-TOW CONNECTOR ADAPTER - 7-WAY to 6-WAY, 5-WAY or 4-WAY." When I received the product, I was really stoked, it was exactly what I needed and what I had been looking for! I tried it on for "size" as you might say and it's going to work like a charm. I will send some photos later when I'm done with the installation! No time right now. . this coming weekend! Photo 1&2 my connector; Photo 3&4 the new HM47570; Photo 5,6,&8 the light bar I wanted to install and the completed project. Thanks a bunch! 72165



- HM47570

by: Dubbs07/26/2015


This was exactly what I was looking for and seems to be made of high quality materials. 214602


Comments

Ive owned this little unit for about a year now and havent had a chance to use it very much. However, when I tow my boat or anything else, I dont have to worry about not being able to connect it. Its a well built dependable unit and I would recommend it to anyone that tows a lot.

Weyman W - 07/25/2016

19652

- HM47570

by: James B06/28/2015


Looks like this is what I need, personnel's expertise helped me determine my needs. Have not tried it, but everything seems to line up and looking forward to the final results. 207901


Comments

Great product, works adapter.

James B - 06/27/2016

18985

- HM47570

by: Mike05/12/2014


As advertised. Well made too. The spring for the cover/seal is robust and I don't expect it to weaken. The adapter works perfectly with my Pollack 7 pin outlet and captures on the retaining clip as both are desiged, so the adapter is securely in place down the road. The ability to reverse polarity on the 6 pin trailer brake set up is really nice, but I suggest to have a pair of needle nose pliers handy to stuff the wires back in the housing so you can get the two terminal plug re-inserted. A bit to fiddle with, but once you set it up for your own trailer, you never would mess with it again. Good product. You wont be disappointed. 130037



- HM47570

by: CJ08/05/2014


I thought I was going to carry three adapters until I found this. 144476


Comments

no problems still great product

CJ - 08/05/2015

13945

- HM47570

by: GERSON S VALLES03/21/2013


I needed an adapter for my electrical towing harness so the that I could use a 5-Way connector on my 7-WAY plug. On line, I found and ordered Item No. HM47570 "HOPKINS ENDURANCE MULTI-TOW CONNECTOR ADAPTER - 7-WAY to 6-WAY, 5-WAY or 4-WAY." When I received the product, I was really stoked, it was exactly what I needed and what I had been looking for! I tried it on for "size" as you might say and it's going to work like a charm. I will send some photos later when I'm done with the installation! No time right now. . this coming weekend! 71688



- HM47570

by: Jesse P02/20/2017


This product really is just "plug-and-play". I have a 2012 Chevy Traverse with the strongest towing package available for that vehicle. It comes with a 7 way receiver. I tow a 1998 viking 2490 pop-up camper that came with a standard 4 pin which I rewired to a 6 pin round adapter so that I could add a battery to the trailer and charge it while I was going down the road. It works great! No problems whatsoever. This is actually the second HM47570 that I have owned because I backed the first one into a high snow bank and broke it. 343779



- HM47570

by: TJFREEDOM06/24/2016


This is the adapter that I have been looking for. I was skeptical at first as I deal with vintage utility trailers. These types of trailers have heavy long metal cylinder 6 plug connectors and the fear of keeping them from falling out (along with the adapter is huge. The heavy conductors fit nicely into the adapter. I tie a couple of small ball bungees around everything just to be safe. My only complains is that I wish they were Made in America! 264712



- HM47570

by: bannio07/25/2014


I got this item in the mail just in time for me to take my boat out. I didn't know that I could have gotten it at a local auto parts store, but I had already ordered it from the site and I said oh well at least it has a long warranty on it. I like the videos that explained its use as well. Hopefully it serves me well with towing my boats to the lake for the summer and with towing my trailer back and forth on different types of hauls I make. 142783



- HM47570

by: John M11/03/2011


The product waorks as it should. I would like to thank etrailers for prompt handling and shipping. You would think the Reno/Sparks area would be big enough to at least have somebody, or a few stores, that would carry just what is needed. It seems however that they prefer to only stock certain items and if they do not have what you want they will try to offer you solutions to use what they have. thanks again to all the people involved. John 26509



- HM47570

by: Ron (The Boat Doc )10/31/2011


Being a former boat dealer, now a fisherman, and a rancher, I back-up to, and, tow a lot of different stuff. This lets me make sure my hook-up is "legal" with lights!! The ball mount works great with my NEW tow vehicle!! The vehicle is a 3/4 ton, and, comes with a 21/2" to 2" adapter for the factory receiver. The locks & the rest are just niceties in this "steal whatever you need" society?!! 26360



- HM47570

by: Doug G08/23/2012


Nice crafted item. Shipping was lightening fast. Very handy item to have on hand for when you are hooking up a trailer set up differently from yours. The only suggestion I have is that there isn't a version to handle the 5 pole round connectors, which are still fairly commonly sold for utility trailers w/ brakes (the 5 pin flat style are hard to find locally I've found) 52701



- HM47570

by: Rick J.08/08/2012


I'm a first time buyer with E-trailer. Great products, Great prices, Great service, and unbelievably fast shipping (one day). You can't get all this at a store. I contacted their customer service about placing a second order and never talked to more helpful and courteous people. These are the kind of people to do business with anytime. 50977



- HM47570

by: Tom P11/01/2013


It is exactly what I wanted when I ordered. Have not used yet but what I like is I don't have to have 2 or 3 different for my vehicle. It will handle all connectors that I ever encounter. what was nice, it was shipped within hours of ordering. That is what I call good customer service which is missing with so many store retailers. 105931



- HM47570

by: John P. (JP)10/13/2017


PERFECT ITEM... NOT ONLY DOES IT WORK FOR MY SPECIFIC APPLICATI0N... BUT GIVES ME OPTIONS TO HOOK UP MOST ANY TYPE TRAILER WIRING... 442375



- HM47570

by: Steve B.04/08/2017


This thing is a beauty, if you have a 7 pole trailer wiring kit, this is a must have. You will never need another set of adapters because you're covered from 4 pole to 6 pole with the adapter and 7 pole when you remove it. Can't go wrong, great quality and the reverse mode for hot circuit/trailer brakes is a great touch. 10/10 364610


Comments

Steve B, Hopkins appreciates your business and is grateful you purchased our Connector Adapter. The Enduranceā„¢ Professional Grade product comes with a 3 year Warranty. If you have any concerns or questions, please get in contact with us.

Hopkins C from - 05/11/2017

23831

- HM47570

by: DMD09/22/2016


When I first seen this adapter I could not believe what it did. The quality is great and it really does what it claims and is simple to use. Everything I could ever need is in this really good looking adapter that fits the factory outlet on my 2006 GMC Envoy SLT nice and tight. DMD 297785



- HM47570

by: Gene M.10/10/2016


The HM47570 and the HM47675 Adapters are an absolute must to have when you tow multiple different types of trailers. Another advantage that I personally like is to use the HM47570 to keep from wearing out my 4&5 plug on my Ford truck. These Adapters are built tough to last. 305042



- HM47570

by: Jim C.06/05/2014


This product is exactly what I was looking for. It is simple to use works perfectly was very reasonably priced compared to other options and the entire ordering and shipping process was fast, simple, and painless. I highly recommend this product and etrailer.com 134409



- HM47570

by: RP09/02/2014


We are always looking for a plug adaptor because regardless of which one you have it will be the other one...this little jewel covers all your bases. It fits in the glove box when not in use for easy storage and easy access...Great item to have on hand. 149556



- HM47570

by: Damion L.07/02/2016


It's an excellent product, them other cheap 7 to 6 way don't let the trailer brakes work with out changing wires. This one quick plug to change from power brakes to aux. Plus it has the 5 way and 4 way. It's got them all in one. Excellent product. 267660



- HM47570

by: Andy O10/01/2014


I have been hunting one of these for years! Needless to say, I was thrilled to find one. Handy, handy, handy. Works great and extends wiring somewhat so double winner! Shipping and ease of ordering was superb! Definitely recommend etrailer.com 153923



- HM47570

by: Dave L.09/09/2013


Wish I would have seen this before I purchased another product. I had to re-wire the plug on the stock trailer I borrowed. Once I figured out the trailer brake wiring was different, everything worked out okay. Now I'm good no matter what... 99089



- HM47570

by: Steve G04/21/2017


Ordered a bunch of stuff for hooking up a towed. Everything arrived as ordered and quick shipping. Everything fit the application without much trouble. Communication from etrailer was excellent. I would purchase from etrailer again. 372346


Comments

Steve G, I see by your comments that you did order a bunch of stuff!! If you should have any questions or problems please feel free to contact the etrailer customer service department. Thanks for being such a good customer.

Hopkins C from - 04/26/2017

23391

- HM47570

by: Jake R10/05/2011


The fit and construction quality of this adapter are excellent, it really looks like it will hold up for many years. Also, the price was good and it shipped when they said it would. I will definitely buy from etrailer.com again. 25107



- HM47570

by: Joe A.01/26/2011


On the spot service and always great products. Love the tracking you can have a little fun seeing the route and location of shipment. Not the lowest price, I shop on service and dependability and that costs for the company. 6157



- HM47570

by: Peter LB05/18/2011


The Adapter fits snugly/firmly in place and works well with my trailer. I haven't used it on any other trailer connector yet, but I'm confident it will work correctly. I look forward to using it on the road soon. 14643



- HM47570

by: Jeff S.03/27/2015


This is probably the best all-in-one that I have been able to find. You never know what kind of trailer hookup you'll need since different companies use different connections when you're renting trailers. 181122



- HM47570

by: Dr. Bob01/05/2017


Perfect for trailering my boat (5 flat plug). FINALLY resolved my issue with trailer brakes locking up in reverse. Appears to be well made as I have used it for a year and still works fine. 330049



- HM47570

by: John S.05/10/2011


Great Adaptor! Works well on my 4, and 5 pin flat connectors. Also great for my 6pin round. Great idea to be able to buy just 1 adaptor to handle any trailer wiring you could encounter. 13290



- HM47570

by: Jm07/03/2016


As presented, does well in converting to different connectors. Have one vehicle that uses the middle fro the brakes and another one that does not. Great for switching back and forth. 267859



- HM47570

by: Rick J05/16/2017


This little unit is a must if you ever rent or borrow a trailer. It'll get you through any trailer connector need. As always, the purchase and shipment from etrailer were awesome. 380938


Comments

Rick J, Hopkins appreciates your business and is grateful you purchased our HM47570 Trailer Connector Adapter. .

Hopkins C from - 05/17/2017

23957

- HM47570

by: Tom R08/24/2017


I have not used this item yet. I will be trying it tomorrow after I get off work. My 1977 Old Timer over the cab camper is a 6-way plug and my '08 Ford f-250 is a 7 way. 424754



- HM47570

by: Mike M.01/25/2017


The product is exceptional. The YouTube video demonstration together with the low-cost shipping convinced me that i did not need to go to a retail store to purchase it. 335287



- HM47570

by: Elliott L.08/31/2016


The products are good quality. The shopping experience was wonderful especially with the video demos are very helpful for me to decide which and correct product to buy. 290289



- HM47570

by: George07/19/2016


Web site was easy to navigate and prices were good. free shipping was great. this light harness was hard to find anywhere else. it replaced the one I lost perfectly. 273569



- HM47570

by: Ryan A.05/27/2014


Received the product within a few days! Very pleased, works like a charm! Love the different types of hook ups and makes it really easy to hook up to anything. 132790



- HM47570

by: nyfb4u209/12/2015


Product arrived as described and the fast delivery, good price and product quality made this purchase a great deal. I recommend this seller and this product. 225249



- HM47570

by: Larry T10/07/2013


Products we actually better quality than I expected. Shipping time (3 days) was awesome bonus. Thanks for the great service and quality of product 102989



- HM47570

by: hesstx01/09/2014


Folks were very helpful . product was as shown. found one here local but for 2 bucks more so cant complain. will be using again. Thanks ET 112354



- HM47570

by: Vincent05/20/2016


Easy to install and operate. Etrailer provides whatever instructions and support a person needs to successfully wire trailers on their own. 250982



- HM47570

by: Fritz S05/14/2014


Haven't had to use it yet. I slide it into the receptacle on my suburban and it seems to fit a little loose. Not sure how it will turn out. 130713



- HM47570

by: DAN CRULL11/23/2016


NOW THIS IS PERFECT FOR HOOKING UP AN EXTRA LIGHT AND OR DISCONNECTING BRAKES REAL FAST IF THERE IS AN ISSUE GREAT ITEM AT A GREAT PRICE 319260


Comments

works great , use it all the time

DAN C - 11/23/2017

31211

- HM47570

by: David W09/10/2014


Fantastic product. Solid construction and durable. I have both a horse trailer and an utility trailer. Makes it so much easier. 150487



- HM47570

by: Bob O.06/11/2017


This adapter is well built and works great. Over the past year I have used it a few time. I have never used it in wet situations. 391743


Comments

Bob O, Hopkins appreciates your business and is grateful you purchased our HM47570 Trailer Connector Adapter. The Enduranceā„¢ Professional Grade products are designed with maximum durability enhanced weatherproofing and superior ergonomics backed by industry leading 3 year Warranty. If you have any concerns or questions, please get in contact with etrailer customer service.

Hopkins C from - 06/15/2017

25048

- HM47570

by: Michelle06/06/2017


What a great company, I'm super impressed with the great online service, follow up emails and super fast shipping. Thank you. 389471


Comments

Thanks Michelle for the great review and rating!! Hopkins appreciates your business.

Hopkins C from - 06/07/2017

24769

- HM47570

by: Stephen Bishop05/11/2011


The product works well. It is a little loose in the fitting, but it has not fallen off yet, so I think it will be fine. 13452



- HM47570

by: Jerry05/16/2011


Plugs right in and Boom! You got it. What a great adaptor. Three trailers with three different plugs....one adaptor. 14312



- HM47570

by: C. Smith01/01/2011


Very Handy Product Great product. Very handy to have so many adapters in one piece. Can't beat the price either! 4880



- HM47570

by: Mary02/14/2014


It was exactly as expected and arrived quickly after I ordered it. This connector/ adapter serves us very well. 116572


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Ask the Experts about this Hopkins Wiring
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  • Replacement 4 and 7-Way Trailer Connector for a 2000 Ford F-350
  • You can use the Hopkins 4/7-Way connector # HM48470. All you will need to do is attach the wires from the old connector in the same places on the back of this connector then mount it where you want it. No other wiring harnesses are needed. The replacement 7-Ways we have for a 2000 Ford F-350 that also have the rectangular plug do not have a built-in 4-Way. We have # C55243 and # 118243. You could use one of these and then use an adapter, # HM47570. If the truck came with the factory...
    view full answer...

  • Using E-Z Mount Tow Light Kit, # EZT20B, with a Tow Dolly Already Connected to RV Trailer Connector
  • The Roadmaster Tow Dolly with electric brakes, # RM-2000-1, also already has lights on it which is why they did not provide an additional socket for lights. It also has a 4-Way flat trailer connector with extra blue wire for the electric brakes and not a 7-Way. Since your RV has a 7-Way, what I recommend is to change the connector on the tow dolly to a 7-Way, # PK12706, and then you can use the Hopkins mutli-tow adapter, # HM47570. This connector will allow you to plug in the 4-Way...
    view full answer...

  • Why are My Brakes are Always Activated with a 6-Way Connector and a Curt Brake Controller
  • There are actually two different ways they will wire 6-ways. Basically the difference is between where the 12 volt power source is relevant to the brake output circuit. The only difference between one setup and the other is that the 12-volt power and brake output circuit is swapped. So all you should have to do is swap the brake wire with the power wire and everything should work fine.
    view full answer...

  • Installed New Electric Brakes and When I Plug the Trailer Into the Truck they Lock Up
  • It sounds like you have a wiring issue between the truck, adapter and trailer connector. I would start at the factory 7-Way on both of your trucks and test them for proper function. The photo I added shows the proper function for each terminal inside the 7-Way connector. Once you are sure the vehicle side connectors are wired correctly you can turn your attention to the trailer and make sure the connector on the trailer, I am assuming a 6-Way since it is a horse trailer, is wired correctly,...
    view full answer...

  • Trailer Brakes Lock Up when Connected to 2014 GMC Sierra 2500HD with OEM Brake Controller
  • Your 2014 GMC Sierra 2500HD has an industry standard 7-Way trailer connector. It is possible that the one on your trailer is not pinned out to match. In other words it may have the 12 volt circuit switched with the brake output circuit and that would be why the brakes lock up when you plug in the trailer. I have included a picture that shows the way a trailer side 7-Way should be pinned out. Ignore the wire colors though and focus just on the functions. There is no industry standard...
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  • Winnebago with Seperate Taillights Towing a Jeep and Troubleshooting Brake Lights not Working
  • Since you have connected your Winnebago to both your Jeep and boat trailer and are experiencing the same issue it is likely related to the vehicle wiring on your Winnebago that is the issue. The first thing that I would check would be the vehicle connection 6-way on your Winnebago and make sure that all the wiring to the connection points are in-tact and that the pins do not show any signs of corrosion or damage. You will want to use a circuit tester like the Quickee # 3808 to test...
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  • Availability of a Combined 7-Way and 4-Way Trailer Connector
  • We have the Pollak 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End, # HM40975. This vehicle side connector can be used to replace a 7-Way on Chevy, Ford, GMC, and Nissan trucks/SUVs. It can also be used to add a connector to 2003 and newer GM trucks and SUVs. And it is an exact replacement for Chrysler/Dodge vehicles with a factory 7-Way. I have included a video showing installation below. We also have the Hopkins Endurance Multi-Tow, # HM48470, which has 7-Way,...
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  • How to Determine the Wire Functions on a Trailer to Install a 7-Way Blade Connector
  • The first thing you are going to want to do is determine the function of each of the wires. You cannot go by color alone because there is no standard color code. There are 2 ways that you can determine the wire functions on the trailer. First you can trace each wire back to see where it goes. The other way is to attach each wire, one at a time, to a separate car battery and see what function turns on. Once you have determined the functions you will wire in a 7-Way as follows: If...
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  • What is Needed on a 2005 Ford Escape 4x4 To Tow a 2,200-Lb Camper With Electric Brakes
  • The first thing you will want to check is your owners manual to make sure the towing capacity of your 2005 Ford Escape 4x4 is sufficient enough to tow the 2,200-lb camper. You will also want to make sure you have a Class II hitch on your vehicle which is rated for 3,500 lbs towing capacity. A Class I hitch will only have a 2,000-lb towing capacity which would not work with towing your camper. To tow a camper with electric brakes using your 2005 Ford Escape 4x4, you do not need electric...
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  • Adding a 7-Way Trailer Connector to a Trailer with a Surge Brake Coupler w/Electric Reverse Lockout
  • It is possible to re-pin an adapter like # HM47570, but it would be much easier to add a 7-Way trailer connector to the trailer side and wire it accordingly to function with your reverse lockout. You can use Pollak Black Plastic, 7-Pole, RV-Style Trailer Connector - Trailer End, # PK12706, and wire it to match your vehicle side 7-Way. The center pole on the vehicle side 7-Way will need to be connected to the reverse light circuit. The new trailer side 7-Way would then need to be wired...
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  • How to Convert Combined Tail Lights on Tow Vehicle to Separate Tail Lights on Vehicle being Towed
  • The Hopkins Adapter, part # HM47570, is an adapter for your tow vehicle that will allow you to change out your 7-Way connector on your 2004 Chevrolet Silverado 2500 to a connector that will accept 4-Way, 5-Way, and 6-Way trailer connectors. It will not work to convert your combined tail lights on your tow vehicle to separate tail lights on your Dodge Sprinter. The wiring harness you will need to convert from the combined tail light system on your 2004 Chevrolet Silverado 2500 to a separate...
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  • Trailer Brakes Do Not Work When Using 7-Way to 6-Way Adapter with a 2010 Chevy Silverado
  • The problem that you are experiencing is likely happening because there are 2 different ways to wire a 6-Way trailer connector. The brake output pin will wither be the center pin or it will be in the 2 oclock position, if looking at the face of the trailer side connector. Which ever one that it is, the other one would be the 12 volt circuit. Normally when this happens the trailer brakes will immediately lock up. But it is possible because you have a Chevy truck that the 12 volt circuit...
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  • Installing Roadmaster Brite-Lite Converter # RM-732 with Roadmaster Tail Light Wiring Kit # RM-155
  • The Roadmaster Brite-Lite Wiring Converter # RM-732 can deliver brighter light output than other brands of similar products. It takes in separate stop and turn signals on 3 wires on its right-hand side and outputs combined stop/turn signals on two wires on its left-hand side. Please refer to the linked photo. The converter wires in upstream of the connector on the MH. The running light circuit from the MH will bypass the converter and go directly to the diodes in kit # RM-155. I have...
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  • How to Add an Additional 7-Way to Existing Factory 7-Way on 2000 Dodge Ram 2500
  • What you will need to do is add an additional 7-Way to your 2000 Dodge Ram 2500 by using the Draw-Tite Custom Fit 90 Degree Vehicle Wiring Harness, part # 51-97-411. This wiring harness will plug in between the OEM wiring harness and your factory installed 7-Way connector and give you an additional 7-Way in the bed of your truck for your camper to plug into. I also have the Draw-Tite Wiring Harness, part # 20111, that will do the same thing as the harness mentioned above. When using...
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  • Trailer Brakes Lock Up when Connected to Truck with 6-Way Trailer Connector
  • This is a common problem with 6-Way trailer connectors. There are 2 ways that a 6-Way can be wired. The center pin will either by for trailer brakes or it will be the 12 volt circuit. On a vehicle side if you are looking at the pins center will either be hot or or brake output and the pin in the 10:00 position will be whichever the center pin is not, So if center is hot then 10:00 will be brake output. All you will need to do is see where the corresponding pins on the trailer side connector...
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  • Differences Between Hopkins Endurance Multi-Tow 7-, 5- and 4-Way # HM48470 and # HM47570
  • The Hopkins Endurance Multi-Tow 7-, 5- and 4-Way Flat Trailer Connector # HM48470 is a combination 7-, 5- and 4-way trailer socket for a tow vehicle that connects to the vehicle through screw-down wire terminals on its rear. With this item in place you can connect trailers with either 4-pole or 5-pole flat connectors or a 7-way blade style. Hopkins Endurance Multi-Tow Trailer Connector Adapter # HM47570 serves a similar purpose but its connections are different. This part connects to...
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  • Available Wiring Adapters to Provide Both 7-Way and 4-Pole Connectors
  • Hopkins 7- and 4-Pole Trailer Connector Socket # HM40975 is a replacement trailer connector that has both 4-pole flat and 7-way blade style connectors. It installs on a round U.S. Car Connector type plug. This is not an adapter that converts one wiring format to another. If you want an adapter that plugs in to a 4-pole and provides both 4-pole and 7-way connectivity then you can use part # 37185 or # C57674. This will plug in to your 4-pole wiring and provide those lighting signals in...
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  • Trailer Wiring Adapter for a 2011 Honda Pilot with a 7-Way and a Boat Trailer
  • A lot of boat trailers have what is called a 5-Way flat trailer connector. It has the 4 basic lighting functions, a ground circuit, and a circuit to activate an electric reverse lockout on the trailer coupler. You would need to use an adapter like # HM47570. One end plugs into the 7-Way on your Honda Pilot, the other end can accept a 6-Way, 5-Way, or 4-Way. There are other adapters in case you have a different style connector on your trailer. I have included a link to the wiring adapter...
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  • Brakes on Horse Trailer with 6-Way Lock Up When Connected to the 7-Way on Ford F-250
  • A 6-Way round pole connector can be wired one of two ways; with the center pole as the 12 volt hot lead, or as the brake. Since the trailer brakes on your horse trailer lock up when plugged into your F-250, it sounds like the 7-way to 6-way adapter that you are using is wired opposite from that of your trailer. This would mean that the center pin on your trailer is the 12V hot lead and the center pin on your adapter is for the brake or vice versa. Either way the brakes are receiving constant...
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  • Does Hopkins Endurance Multi-Tow Trailer Connector Adapter, # HM47570 Come with a Mounting Bracket
  • The Hopkins Endurance Multi-Tow Trailer Connector Adapter, # HM47570, is meant to plug into a 7-Way trailer connector that is already mounted on the back of a vehicle so it does not come with a bracket. The Hopkins Endurance Multi-Tow 7-, 5- and 4-Way Flat Trailer Connector, # HM48470, does come with a mounting bracket. The only difference between this connector and the first one is that it does not have a 6-Way function. I have included a link to the installation details for this connector...
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  • 6-Way Wiring Diagram Request
  • I attached a picture that shows how 6-ways are typically wired. Looking at your picture it doesn't look like the colors will match up and you will need to wire by function instead of by color. Most likely the missing circuit on your 6-way wiring is the 12 volt power circuit as this circuit is the most frequently not used.
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  • Trailer Brakes Lock Up Using a 6-Way to 7-Way Adapter on a 2006 Toyota Sequoia
  • There are 2 ways to wire a 6-Way connector. Either the brake output will be in the middle or the 12 volt power will be in the middle. Adapters are normally one way or the other. It is permissible to swap the blue and clack wires like they told you. We have an adapter thank makes switching easy, # HM47570. All you do is pull out the little compartment, rotate it 180 degrees, and plug it back in. What you will want to do after rewiring the adapter is take the trailer back to the place...
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  • Brake Controller and Trailer Wiring Installation on 1997 Jeep Grand Cherokee
  • To install a brake contorller on your 1997 Grand Cherokee, you'd first need to install a 4-pole connector, using the Tow Ready # 118349. How you'd proceed next will depend on the connector use on the trailer you'll want to pull. I'd recommend using a 7-way because it's the most common. You can always use an adapter like part # HM47570 to convert it to anything else you'd need. To actuate the electric brakes on the trailer, you'd need a brake controller. I'd recommend going with a...
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  • Will Hopkins Multi-Tow Trailer Connector # HM47675 and the # HM47570 Fit a 2016 Chevy Tahoe 7-Way
  • Yes, the Hopkins Multi-Tow Trailer Connector # HM47675 and the # HM47570 will both fit the 7-way you have at the rear of your 2016 Chevy Tahoe.
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  • Adding a 7 and 4-Way Trailer Connector to a 1997 Ford F-350 Diesel Dually
  • Because there is no replacement multi-tow trailer connector that fits a 1997 Ford F-350, you would either need to hardwire one in or use an adapter. The easiest solution is to use an adapter, # HM47570. It plugs into the 7-Way and will allow you to plug in a 6-Way, 4- Way or 5-Way. If you wanted to hardwire in a multi-tow 7 and 4-Way, you can use the Pollak 7- and 4-Pole Trailer Connector, # HM40975. It would have to be mounted below the bumper or in a convenient location of your choosing...
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  • Trailer Brakes Lock Up When Connected to a 2011 Dodge Ram 1500
  • You very much can use an aftermarket brake controller on your 2011 Dodge Ram 1500. First, for the P2 # 90885, make sure you are using the correct wiring harness, # 3021-P. Are using a 7-Way to 6-Way adapter? If so the likely issue is that the 12 volt circuit and brake output circuits are swapped causing the brakes to receive a constant 12 volts of power all the time. Using adapter # HM47570 will allow you to easily switch between the two possible configurations of a 6-Way. The adapter...
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  • 5-Way Recommendation for Trailer for Installing Reverse Lights
  • What's great about 4-way flats and 5-way flats is that they can fit each other without the need for an adapter. So what would be your best option is to use the part # HM47570 in the 7-way of your truck and then add a 5-way part # W002290 to your trailer. Basically you would want to cut off the 4-way wires short and then leave the 5th reverse light wire long to run it back to the reverse lights. The remaining wires would wire directly to the 4-way wires the trailer currently has.
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Info for this part was:

Expert Research:
Michael L
Expert Research:
Michael H
Expert Research:
Jeff D
Expert Research:
Jameson C
Video Edited:
Joshua S
Expert Research:
Adam R
Installed by:
Shane T
Expert Research:
Rachael H
Video by:
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Updated by:
Sarah W

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