Lowest Prices for the best Wiring from Hopkins. Adapter 4-Pole to 5-Pole Trailer Wiring Adapter - Shorter part number 47515 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Adapter 4-Pole to 5-Pole Trailer Wiring Adapter - Shorter

Hopkins Wiring

(70 reviews)


Code:   47515

Price:$7.99


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Hopkins Wiring - 47515

Trailer wiring adapter that changes the 4-pole flat on your vehicle into a 5-pole flat.

The blue wire gets spliced into the reverse light wire on the vehicle which is easily done with the included quick splice wire connector.

Hopkins # 47515, TAP # 37515



47515 Adapter 4-Pole to 5-Pole Trailer Wiring Adapter - Shorter







Video of Adapter 4-Pole to 5-Pole Trailer Wiring Adapter - Shorter


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



Video Transcript for Hopkins Wiring 47515 Review

Today, we'll be reviewing part number 47515. This is the Hopkins Adapter 4-Pole to 5-Pole Trailer Wiring Adapter. The trailer wiring adapter is going to change the 4-pole flat on your vehicle into a 5-pole flat. You can see here that you have the 4-pole connections you plug into the 4-way flat on your vehicle. On this side, it's going to convert it over to a 5-way connection. Now, the blue wire is the wire that's going to get spliced into the reverse light wire on the vehicle, which is easily done with the included quick splice wire connectors. That is included with this part number.

This is going to be great for use with marine trailers equipped with surge breaks to eliminate rewiring your vehicle or trailer. When installing this, you want to make sure to use a tester to locate the backup wire at the rear of your tow vehicle. You're then going to splice the blue wire onto the backup wire of the tow vehicle using the supplied splice connector. Once you have that done and secure, then you can simply just plug in the vehicle end and the trailer end and then you would be all set to go. The blue wire, you can see here that it has a little inaudible 00:01:06 connector on it that connects the two pieces together. When fully connected, that's going to give us a total length of around 56 inches. That's going to do it for today's review of part number 47515. This is the Hopkins Adapter 4-Pole to 5-Pole Trailer Wiring Adapter.

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Customer Reviews

Adapter 4-Pole to 5-Pole Trailer Wiring Adapter - Shorter - 47515

Average Customer Rating:  4.8 out of 5 stars   (70 Customer Reviews)



- 47515

by: Al S10/06/2014


Great product! I have a Jeep Wrangler Unlimited that only has a four pole flat connector. I have a boat thats needs a five pole because it has surge brakes. This was the perfect solution. I just had the fifth wire connected to the back up light and plugged this five to four pole adapter that was already on the vehicle. Problem solved. It came quickly. I accidently ordered two and I got a call from Etrailer questioning my order. I thanked them and said I only needed one. They saved me the cost of the second adapter when most companys would have just sent them both- and charged me for two. 154766






- 47515

by: Jim T07/03/2013


Watch the video! This product connects so easy I was up and running in 20 minutes. 87430





Comments

still in use

Jim T - 07/09/2014

5462

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by: David01/21/2014


Perfect 114426





Comments

Still working perfect no prob.....

David - 01/21/2015

8789



- 47515

by: Dean A.05/11/2015


I put this on my 2016 Kia Sorento. Do yourself a favor and watch this instructional video "Hopkins Trailer Wiring Adapter Installation - 2014 GMC Acadia". Another great tip for my application is to buy an extra 20 feet of 16 guage wire. I ran the wire from the tailgate on the inside of the weather stripping and snaked the wire into the utility tray in under the back flip up compartment. When I need to hook up the adapter - I just run it out of the tailgate and hook it up. This keeps the adapter out of the elements when not in use. 191722






- 47515

by: Mark L06/20/2012


Put this on an '05 Ford F150. Simple install and took only 5 minutes. Drivers side reverse tail light has two screws on the tailgte side. The hot wire for backup light was brown w/ a red stripe. Unfotunately, my package didn't have the wire splice connector inside as it was suppose to so I used stuff I had at home. Works like a charm. Very clean looking with no extra wires dangling. Should get 5 stars but the lack of connector bummed me out and I didn't have time to return it. Cheers 44918






- 47515

by: BSM09/26/2014


This product is very well made. Instructions are a bit brief, but plenty of info online to get it installed. The reverse wire on my car was too small to work with the splice, but I connected them directly w/ a "T". Worked flawlessly with my trailer. The length of the wire on the adapter allows you to make the connection INSIDE the car which will surely extend the life of the connection. Overall great and simple design. 153312






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by: Jason B.09/29/2014


This product was everything that is says that it is. Suggestion for hatchback owners, though. See if your reverse lights are in the hatchback or on the fender panels before purchasing this product. If they are in the hatchback, as in the 2014 Escape, then you will need to purchase a longer adapter or additional wiring as the routing of the wires to the closest reverse wire is substantial. 153594






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by: Arthur L.07/22/2014


Excellent product. Connected it in about 10 minutes. Had to remove the taillight and splice to back-up light (splicer included). Easy install (pug and play) and works great. Thanks for having this online at your store. Could not find one locally in Houston area (can you imagine). Excellent pricing and free shipping! Doesn't get any better. 142512






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by: Ben R.06/11/2015


Terrific online company! Their website is easy to use and contained tons of information, including multi-angle pics and videos, so I was sure I was getting the exact part I needed. It shipped very quickly and I had the wiring installed and complete in just a few days after I placed my order. I highly recommend etrailer.com! Thank you!!! 202471






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by: Tom F06/07/2011


I Have been looking for this product for a long time. I did not know the part number or even that it existed, I just had a need. At etrailer.com I not only forund this product. I found a couple versions of the same solution. Plus etrailer showed me a video on how to install it. Great site 16301






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by: Chris03/11/2009


Great Product! It was a very easy install. The blue wire is only long enough to go to a reverse light that is on the rear corner. I had to buy additional wire from the auto parts store to continue the connection up the side of my vehicle and through the back hatch. But it works great. 1639






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by: Mike E.03/02/2014


This is an excellent adapter; however, I didn't give it the highest rating possible because the wire is not as long as I needed. While it was easy for me to add a section of wire, I don't understand why it's not about a foot longer so that it would work easier on any vehicle. 118185






- 47515

by: Dave S10/19/2014


Product is exactly what I want, but should include a dust cover. Also, wire that leads from plug is too long, and the tail light wire is too short. Where they connect should be closer to the plug, because the way it is you can't really unplug it from underneath the vehicle. 156751






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by: Todd01/22/2014


Part arrived in time and everything's cool. The #1 thing I like about etrailer.com is that I can simply email them my questions and they reply back with all my options. Will be doing that again in a month for the next trailer item I'll be needing soon. Thanks. Todd 114450






- 47515

by: Tom O06/19/2015


Very useful and easy to install along side the 4-flat that I installed at the same time. The toughest part was locating the reverse light wire. This was of better than expected quality and the wire was just the right length for my 2006 Jeep Commander. 204511






- 47515

by: Albert Anable04/03/2011


The adapter works great. The installation on a 2005 Subaru Outback is a bit more difficult because the backup lights are located on the liftgate. Still only took about 1/2 hour. Now I just need to find a cover for the 5-Pole! Al 11001






- 47515

by: Steve02/18/2013


Ordering was easy; shipment was quick; the part arrived as expected and worked great. It was very easy to install. Took all of 10 minutes at most! Thanks! 66804





Comments

Thanks! It has worked great. I have been very pleased with the product.

comment by: Steve - 02/18/2014


2856

- 47515

by: Duane B12/05/2014


The 4 to 5 pole adapter was exactly what I needed to pull my new boat with hydraulic brakes. I installed it myself in less than 10 minutes saving me the time and cost of going to an RV or trailer store. 163414






- 47515

by: Keith V.04/29/2014


I purchase the 4 to 5 pin trailer plug adapter for my boat trailer. The product was just as described and installation was super easy. Fast shipping and packaged well. Keith 128114






- 47515

by: H. David F.03/18/2015


I got this adapter for pulling my boat, the extra wire hooks to reverse wire that releases surge brakes when backing your boat up. Great product, and simple installation. 179395






- 47515

by: John G11/03/2014


I got the adapter fast and it was exactly what i wanted. I installed it quickly and it works perfectly. I will use Etrailer anytime i need trailer parts. Thanks John G 158943






- 47515

by: Bob Wrobel10/02/2014


Product is perfect. It works as advertised. I am able to hook up my motorcycle cargo trailer and motorcycle camper, if I need to pull them behind my 2013 Ford Edge. 154146






- 47515

by: Kevin06/07/2011


I received this part in a timely manner and it matches my needs perfectly. I've purchased several parts from etrailer.com and will definitely be a returning customer. 16274






- 47515

by: Monty S02/28/2013


Received the adapter very quickly. The on-line tutorial was great and was able to install the adapter on my Ford 150 in less than 5 minutes. Works like a champ. 68147






- 47515

by: Tim P.04/27/2013


Exactly what I ordered and timely shipped. I love the tutorial videos really made trailer wiring easy to understand......I will definetly use etrailer again. 78144






- 47515

by: Lyle S05/14/2015


Very simple connection to a late model CUV. It works great and solved my surge brake issue with minimal expense and no aggravation. I highly recommend. 192993






- 47515

by: John Kirschenheiter03/17/2015


George J The 4pin flat connector to a 5 pin flat connector worked perfect. The quality was excellent. Thank you for a great product and great service. 179145






- 47515

by: John S.11/03/2014


Product was exactly what was advertised and just what I needed to to adapt to a five pin harness on my sons boat trailer. Great, FAST delivery. 159022






- 47515

by: Mr Larson05/05/2014


The adapter fits perfectly. Thanks for the follow up. We need to test to make sure it works, but if it is a standard setup, it should work 128889






- 47515

by: Patrick01/20/2013


Works fine. I'm not concerned with the reverse light so I didn't even hook up the blue wire, working great as a plug and play adapter. 63582






- 47515

by: Wayne B05/07/2013


The trailer hitch bolted in place easily. Instructions were ideal. Firing kit and additional five flat adapter Were easy as well. 79238






- 47515

by: Andrew07/01/2014


I am extremely happy with this product. Easy to install and etrailer was the only location that I could find this item at 138480






- 47515

by: Dan E.04/18/2012


Needed a reverse light. Simple installation. Works great. Wish it came with a rubber cover to keep the muck out... 37638






- 47515

by: Greg L04/04/2012


Awesome service. The order, delivery, and confirmation process is outstanding...and priced very well. 36140






- 47515

by: John L.07/27/2014


Well made and simple to install with good instructions and all the parts necessary to do the install. 143093






- 47515

by: Sensei07/28/2014


Works as advertised. Wiring is too short - had to extend 18" to reach closest reverse wiring. 143165






- 47515

by: Jim R05/21/2014


Product arrived in a short time. Easy to install. Worked great. Great customer service. 131610






- 47515

by: PapaG08/15/2014


Great tech support. Product arrived ahead of schedule. Worked as expected. You guys rock! 146836






- 47515

by: Robert R07/10/2014


Great product and quick delivery. Video was very helpful and made installation easy. 140684






- 47515

by: Tony S.06/12/2013


This was very easy to add to the existing trailer wiring. Very good quality product. 84276






- 47515

by: Tim B.09/02/2014


Exactly what I needed and the installation video was extremely helpful. 149658






- 47515

by: Rob Bantly04/12/2014


Very easy instalation. Good Quality. The vidio also made it very easy. 124785






- 47515

by: Matt B05/25/2015


Part not installed yet. Service and delivery were outstanding THANKS 196708






- 47515

by: Jeffrey02/22/2013


Great price, quick service and delivery. Exceeded my expectations. 67360






- 47515

by: Jeff K12/23/2013


Exactly as advertised. Installation was simple. Works perfectly. 110889






- 47515

by: 4751509/25/2012


Excellent. Easy to install instructons. Fixed my problem easily. 55739






- 47515

by: Dave C.04/28/2014


Very prompt shipping, well packaged. An excellent experience!! 127819






- 47515

by: Larry DeSantis05/19/2014


great product and easy to install and best of all works great 131287






- 47515

by: Jon B.07/03/2013


Very easy installation. Perfect solution for boat trailers. 87399






- 47515

by: Brad S.06/11/2013


Exactly what I was looking for my boat trailer. Thank You! 84133




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Ask the Experts about this Hopkins Wiring
Do you have a question about this Wiring?


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  • The wire gauge of the blue wire on the Hopkins Adapter 4 Pole to 5 Pole Trailer Wiring Adapter, part # 47515, will be too small to be able to use as a 12 volt power source. You will need to use a 10 gauge wire on your truck to run a 12 volt power wire to your trailer connector, along with a 40-amp circuit breaker. I would recommend to install the Hopkins Adapter 4 Pole to 7 Pole and 4 Pole, part # 37185, on your truck. This Hopkins adapter will plug into your 4-flat connector on your...
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  • 4 to 5-Way Adapter Recommendation for a 2014 Jeep Wrangler towing a Boat Trailer With Surge Brakes
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  • Can the 5th Wire of the Adapter 4 Pole to 5 Pole Trailer Wiring Adapter Be Cut Off if Not Needed
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  • In order to use the reverse lights on your trailer, you will need to add a 4-Way to 5-Way adapter like # 47515. Using a circuit tester, like the Quickee # 3808, find the wire behind your taillight assembly that carries the reverse light signal. It will have a signal when the vehicle is in reverse. Make sure you have someone in the vehicle to help you and put the emergency brake on for added safety. After you have found the reverse light wire, you can connect it to the Adapter 4 Pole to...
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  • Wiring 4 to 5-Pole Trailer Connector Adapter onto 2005 Jeep Grand Cherokee
  • The blue wire on the 4-Pole to 5-Pole Trailer Connector Adapter would need to be lengthened and tapped into the circuit that feeds the reverse lights on your Grand Cherokee. Simply locate the reverse lamp assembly, and find the wire feeding the bulb. This is where you would tap in the blue wire. You can use a Scotchlok connector, like part # 804C. To view an install video, click on the provided link.The video shows the adapter being installed on a different vehicle, but the video will...
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  • Converting a 4-Pole Wiring Harness to 5-Pole on a 2004 VW Touareg for Towing a Boat Trailer
  • Since you have the # 118509, custom wiring installed on your Touareg, you have two options. You can use the 4 Pole to 5 Pole Trailer Wiring Adapter, item # 47515, or you can cut the 4-Pole connector off of the harness and splice in a 5-Way connector, item # 20016. In either case the blue wire will be routed to the vehicle reverse light circuit, behind one of the vehicle tail lights, and spliced in there. Then, when the vehicle is in reverse, the electric lockout on your surge coupler...
    view full answer...

  • How to Tap into Reverse Light Wire on a 2008 Cadillac SRX to Install 4-Way to 5-Way Adapter 47515
  • Getting to the wiring for the reverse light if the reverse light is in a hatch such as on your 2008 Cadillac SRX can be challenging. But that wiring has to exit the hatch and go into the rest of the vehicle so you should be able to locate the wire at that point. This is normally at the top of the hatch. The wires will all be covered so you will have to cut a slit in the protective cover to access the wires. Then use a circuit tester such as # 3808 to test the wires to find the reverse light...
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Info for this part was:


Expert Research:
Michael L

Expert Research:
Robert G

Expert Research:
Patrick B

Expert Research:
Michael H

Expert Research:
Jameson C

Video Edited:
Joshua S

Video Edited:
Jacob T

Expert Research:
John H

Expert Research:
Jeffrey L

Test Fit:
Alan C

Photos by:
Sam P

Video by:
Chris R

Updated by:
Sarah W

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