Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter

Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter

Item # 20036

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Shipping Weight: 0.29 lbs

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20036 - Plug and Lead Tow Ready Wiring
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Trailer wiring adapter changes the 4 pole flat on your vehicle into a 5 pole flat. Lowest Prices for the best wiring from Tow Ready. Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter part number 20036 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (165)
  • Q & A (356)
  • Videos (5)
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  • Why etrailer?

Tow Ready Wiring - 20036

  • Wiring Adapters
  • Single-Function Adapter
  • 5 Flat
  • 4 Flat
  • Plug and Lead
  • Tow Ready
  • 18 Inch Long

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


Features:

  • Length of harness: 20"
  • Length of blue wire: 60"


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



20136 Tow Ready 4 Pole to 5 Pole Trailer Wiring Harness






California residents: click here


Video of Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter


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




Video Transcript for Tow Ready Wiring - Wiring Adapters - 20036 Review

Today we're going to be reviewing part number 20036. This is the Tow Ready 4-pole to 5-pole trailer wiring adapter. This wiring adapter is going to change the 4-pole flat on your vehicle into a 5-pole flat. The length of the actual harness is going to measure 20 inches from end to end, and then the length of the blue wire that it comes with to make the connection into the reverse light function is going to be 60 inches. This unit is rated for 7.5 amps per circuit. It's going to come with some zip ties to help secure the access wire up and out of the way.

The 60-inch blue wire is going to get spliced into the reverse light wire on the vehicle. It's very easy to do because they include this quick splice wire connector. Then the connector on the blue wire, the plug in one, is going to connect to the blue wire coming from the harness. So those will go in together, which is then going to supply power over to the new, 5-way flat, and then you're going to have all the power you need. Once everything is connected, you're all set and ready to go. Again, this one right here is going to measure 20 inches.

And then the length of the blue wire is going to measure 60 inches. And it's a very easy system to install and get connected. That's going to do it for our review of part number 20036. This is the Tow Ready 4-Pole to 5-Pole trailer wiring adapter. .


Customer Reviews

Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter - 20036

Average Customer Rating:  4.9 out of 5 stars   (165 Customer Reviews)

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

- 20036
by:

The 4 to 5 wire connector harness is exactly what I needed to covert my vehicle for towing surge brake trailers. It was easy to install and works great. Fast shipment and easy to use website. Good follow up and tracking updates. A+ buying experience. 36798



- 20036
by:

This seems to be a good option for an adapter to get a 5 wire trailer connection. The single wire for the back up light connection is odd to secure to wire harness so it don't get damaged from dirt. The socket could have a cap to cover so dirt can not get in it when not in use. 475524



- 20036
by:

Arrived in timely manner good packaging and follow-up Customer Service. Have not installed as yet...... tooooo many Honey-Do's. mike 512057



- 20036
by:

The product is excellent and I had no problem wiring up the pig tail. easy to use and so far, after about 4K miles of towing, I have Zero complaints. 513790



- 20036
by:

This was exactly what I needed. Our Nissan Pathfinder came with a 4 prong plug already installed, but our new boat trailer has a 5 prong plug. This fit perfectly, works great (already used it this past weekend) and the installation was easy, thanks in part to the instructional video included on the product page. Would definitely recommend to anyone that needs to go from a 4 prong to 5 prong for your trailer. 18183


Comments

Which wire did u crimp on to for your Pathfinder? Could u tell me the colour pls. Thanks.

-- comment by: Rich S - 06/08/2014

4740

We've sent Chris an email to let him know about your question. Remember to always double check a wire with a circuit tester before connecting. Wire colors can change on the same model, even in the same year so the colors may not be the same. Just check before splicing.

-- Patrick B - 6/10/2014


- 20036
by:

Had to purchase the part for a boat trailer hook-up. etrailer was the only place and first place we looked. Our local trailer dealer did not stock the part, so having purchased an item from etrailer before, we chose the company to purchase what we needed. The online videos were very helpful and installation was very easy. Shipping was fast and we are completely satisfied with the product and the company. 564587



- 20036
by:

This 4pole to 5 pole adapter works exactly as advertised. Now my trailer brakes don't lock up when backing up on an incline. Took about 10 minutes to install and corrected my problem perfectly. I especially like the "how to" videos! 87338



- 20036
by:

Great product and easy to to connect. I could not find this trailer connection at any of our usual local auto parts store 420820


Comments

It’s working out great been able to pull my boat in the early morning with no issues

Albert S - 08/17/2018

42521

- 20036
by:

The product was a great fit for my 2017 Highlander. The video installation was pretty much spot on what I need to do. Expect, if you are a novice like myself to expend a couple of hours to get it done right. Oh, being a novice, I didn't realize that the circuit tester needed to touch a bare cooper in the wire to react, so you need to expose just a little cooper to touch with the circuit tester. The video shows them using a circuit tester but not actually exposing the cooper inside. 644153



- 20036
by:

Simple install on my Jeep JK. Tapped the reverse light lead wire and harnessed all the wires in flex conduit. Tie strapped it all under bumper. Can either use 4 or 5 pin trailer. 234357



- 20036
by:

Adapter 4-pole To 5-pole Flat - works as described. Installed on 2013 Chrysler Town & Country. Connected blue wire to left rear light harness. Strongly recommend using a 12v tester for this install, as visual diagnosis can be wrong. Deduct one star because 5-plug has no cover and is susceptible to road grime. My solution is to leave original 4way plug with cover underneath the vehicle and connect 5plug adaptor only when towing boat. 125129



- 20036
by:

Installed and worked as expected. 728687



- 20036
by:

great site, helpful instructions and support. The install was easy because of those instructional videos. Great work! -Albert 716917



- 20036
by:

THIS IS A NICE KIT. IT CONTAINS EVERYTHING I NEED TO CONVERT MY FACTORY 4 PRONG TO A 5 PRONG FOR MY BOAT TRAILER BRAKES. THE PRICE WAS REASONABLE AND SHIPPING WAS ALSO VERY REASONABLE. I WILL BUY FROM THIS SELLER AGAIN IF I NEED SOMETHING THEY CARRY. 716253



- 20036
by:

Buying at etrailer was great. Right product at reasonable price. Needed part quickly, so shipped overnight and it was at my door by noon the next day. Customer service followed up in case I had questions. Great experience, will definitely go with etrailer in future. 707737



- 20036
by:

Worked as it supposed too...Very happy with the product!!! 682074



- 20036
by:

fit exactly as described. 678172



- 20036
by:

Worked to fix the problem of a five pin flat on the trailer and hooking up to Uhaul picks up with four pins. 675489



- 20036
by:

I ordered a hitch, wiring harnesss, and a 5 pin harness adapter. Received product faster than expected. Installation was easier than expected because of the very accurate videos. I spent more time gathering my tools than actually plugging in the wiring harness. Hitch was installed in 10 mins. Took me longer to get the hitch out of the expertly packed box. I believe the success of etrailer is that they heavily research products and only offer quality, consumer forward items to us, the customers. I had an above average experience. Thank you! 671106



- 20036
by:

The connector was high-quality and the wiring was very sturdy. This worked out really well on my application. I did wire a relay to power the circuit. 663906



- 20036
by:

etrailer customer service rep was very knowledgeable and verified the product would work on my SUV. The shipment was fast and allowed me to track the progress of delivery!! Installation was a breeze! I would use etrailer again and again!! 660084



- 20036
by:

The company was very easy to work with. The product arrive with great directions helping with installation. I was just a little surprised at how long it took for my connector cable to arrive. It was over a week. It was shipped out the very next day, so the problem was not the fault of the company. 659935



- 20036
by:

Great product and easy installation. Would buy from them again. Fast service. 656356



- 20036
by:

Super easy to install on my 2014 Dodge Caravan. Spilled into the green wire to the reverse lamp and led the wire to the trailer hitch. 655413



- 20036
by:

Trailer plug - converter 654616



- 20036
by:

Quick and easy to deal with and works p erfectly. 650052



- 20036
by:

Works as it should, the five-flat should come with a cover 633853



- 20036
by:

Product has worked as explained. I found the website to be very informative. Glad I found it. 617590



- 20036
by:

great service and help 601451



- 20036
by:

After a year still works like new just store it right when not in use should last forever. 593432



- 20036
by:

Great product, arrived before promised and it worked out great for my application. 568519



- 20036
by:

ETRAILER knowledge ,courtesy ,and service was outstanding , great place to go for your trailer needs. 565303



- 20036
by:

Easy install on new F150. The hot wire for the back up light was the same color blue as the blue on the back up adapter. Tip: I hard soldered my connections where I spliced. Then use shrink wrap. That is a superior install. Crimp on connectors almost always fail over time. 540560



- 20036
by:

The Item worked perfect as described. Shipping was super fast. I will be using this site again in the future and recommending it to friends. 539564



- 20036
by:

Great conversion kit. Very easy to inst all. 539416



- 20036
by:

Installed this a year ago on my Honda Pilot. Still works like new! 529077



- 20036
by:

Amanda was great on the phone, tracked my order, and followed up on the delivery. She is a great asset to etrailer 523917



- 20036
by:

I appreciate the expedious way you sent trailer wiring connector to me. I am extremely satisfied with my product. 509895



- 20036
by:

Product does exactly what you'd expect -- make my funky 5 pin trailer work with my four pin Toyota Highlander. I am sure that its a good idea to have engineered the safety brake but taping the interlock gets old. Product is well made, the instructions were very clear and it was well packaged and arrived quickly. Importantly, customer service reached out to me to make sure it arrived and that I was happy. That's impressive too. 496155



- 20036
by:

Well made and works great. Delivery time was good. Highly recommend. 493855



- 20036
by:

Exactly what I wanted .Will do great jo b. 493190



- 20036
by:

The harness was easy to install and worked very well. Very satisfied with the product. 490286


Comments

I sold the vehicle last month but it worked well up until then

Jim T - 03/29/2019

51196

- 20036
by:

Worked as discribed. Used several times with no issues 489300



- 20036
by:

Great Service and Products. 485852



- 20036
by:

Excellent produit, très bonne qualité, [Excellent product, very good quality] 484881


Comments

works wonders, nothing wrong !!!

Michel - 03/14/2019

50507

- 20036
by:

This Adapter is durable and has been working perfectly for over a year. It resolves my non-standard wiring issues between 2 different tow vehicles and 2 different harnesses on trailers. 481916



- 20036
by:

this part worked flawlessly and very easy to install customer support was very helpful and very fast shipping! 480822



- 20036
by:

Worked like a charm! Great customer ser vice! 472915



- 20036
by:

My order was processed and shipped quickly. Surprised how fast i received the item, impressed! The product itself was exactly what i needed and works great. Instructions were easy to read as well. Good Job etrailer! 467487



- 20036
by:

Product was perfect! hipping was slow! 466763


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Ask the Experts about this Tow Ready Wiring

Do you have a question about this Wiring?


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  • There are a few options here for you to tow your boat trailer and be able to backup with the trailer attached and the brakes not locking up. The most cost effective option is a wiring adapter, the Tow Ready 4 Pole to 5 Pole Trailer Wiring Adapter part # 20036. The downside of this option is that you have to splice into the factory reverse light wire on your vehicle. If you don't want to do this then you can either install a trailer coupler with manual lockout like the Brake Actuator with...
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  • Recommendation to Connect 4-Way on Honda Pilot with 5-Way on Boat Trailer
  • I have the perfect solution for you. In order to connect to the 5-Way on your boat trailer, I recommend using the Tow Ready Trailer Wiring Adapter # 20036. This will plug right into the 4-Way already on your Honda Pilot and provide you with a 5-Way to use for the boat trailer. The additional blue wire from the adapter will then just need to be connected to the reverse light wire on the vehicle so that it can activate the reverse lockout on the trailer actuator. I have attached a...
    view full answer...

  • How to Wire an Electric Reverse Lockout on a Trailer to Work with a Vehicle that has a 4-Way Flat
  • Since you have a 4-Way flat trailer connector, you will need to add a 5-Way flat adapter, # 20036, to the vehicle and a 5-Way flat, # HM47910, on the trailer if you want the electric reverse lockout to work. On the vehicle side, the extra wire will connect to a reverse light wire. On the trailer side, the extra wire will attach to one of the wires on the solenoid. The other solenoid wire will need to be grounded to the trailer frame. I have included a link to a video showing a typical...
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  • Tailer Hitch and Wiring for a 2007 Nissan Murano to Tow a Rental Trailer
  • Rental places like Uhaul require that your 2007 Nissan Murano has a trailer hitch rated for the weight of the trailer, a trailer wiring harness to activate the trailer lights, and accessories such as a ball mount and ball. But if the trailer has surge brakes or electric brakes you will need some additional equipment such as a brake controller and 5- or 7-Way trailer connector. Starting with a trailer hitch you can use Curt hitch # 13571. It is rated for 350 pounds tongue weight and 3,500...
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  • Adding Reverse Lockout to Trailer with Titan Model 60 Actuator
  • I really wish there was a cheap and easy way to lock out a Titan model 60 actuator but the only way would be with an electric lock out like the part # T4748800. This threads onto the back of your current actuator and once ran to the reverse light circuit it will allow your trailer to backup without locking up the brakes. You will need to replace your current 4-way with a 5-way like part # HM47910. And then to convert the 4-way on your tow vehicle you'd need the adapter part # 20036...
    view full answer...

  • Available 4-Pole Wiring Kits for 2012 Acura MDX and Part Needed to Convert to 7-Way
  • The wiring harness kits we offer for the 2012 Acura MDX are the 4-pole type, such as Tekonsha # 118424 and the others shown on the linked page. These can be used with a 5-pole adapter such as # 20036 which allows, for instance, connection to the vehicle reverse light circuit to activate a trailer coupler's electric reverse lockout. 4-pole wiring carries only basic trailer lighting signals but it is easy enough to convert 4-pole wiring to a fully-functioning 7-way (with the three additional...
    view full answer...


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