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Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket - Vehicle End

Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket - Vehicle End

Item # PK12-707E
Retail:$18.07
Our Price: $13.83
You Save: 23%
Trailer Wiring
Shipping Weight: 0.35 lbs
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Establish a secure connection between your towing vehicle and trailer with this 7-pole, RV blade-style socket. Black plastic socket has non-corroding, shock-resistant interior design that eliminates shorting out and is color-coded to RVI standards. Great Prices for the best trailer wiring from Pollak. Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket - Vehicle End part number PK12-707E can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Pollak Trailer Wiring - PK12-707E

  • Trailer Connectors
  • Vehicle End Connector
  • 7 Round - Blade
  • Plug Only
  • Pollak

Establish a secure connection between your towing vehicle and trailer with this 7-pole, RV blade-style socket. Black plastic socket has non-corroding, shock-resistant interior design that eliminates shorting out and is color-coded to RVI standards.


Features:

  • Standard, 7-pole, RV blade-style socket connects tow vehicle to trailer
  • Black plastic construction
    • Eliminates rusting
    • Enhances appearance
    • Prevents difficulty in plug removal
  • Non-corroding, shock-resistant interior design
    • Terminal reinforcer dams eliminate shorting out
      • Prevent contact from spreading
    • Center pins accepts up to 8-gauge wire
    • Vinyl inserts keep out dirt and moisture
  • Spring-loaded lid with stainless steel spring and rubber gasket
    • Prevents leaks when closed
    • Drain slot has angled design for drainage
    • Secures trailer-end connector in socket
  • Safety latch
    • Ensures connector is plugged into socket
  • Color-coded to RVI standards


Specs:

  • Wiring configuration:
    • Color - circuit - recommended wire gauge:
      • White - Ground - 10 gauge
      • Blue - Electric Brake - 12 gauge
      • Green - Tail, License, and Running Lights - 14 gauge
      • Black - Battery Charge - 10 gauge
      • Red - Stop and Left-Hand Turn Signal - 14 gauge
      • Brown - Stop and Right-Hand Turn Signal - 14 gauge
      • Yellow - Auxiliary Circuit - 14 gauge
  • Distance between mounting holes center to center: 2-1/4" wide x 1-1/2" tall
  • 1-Year limited warranty


Dimensions

12-707E Pollak Black Plastic, 7-Way, RV-Style Trailer Socket - Vehicle End





Customer Satisfaction Score:


Customer Reviews

Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket - Vehicle End - PK12-707E

Average Customer Rating:  4.7 out of 5 stars   (289 Customer Reviews)

Establish a secure connection between your towing vehicle and trailer with this 7-pole, RV blade-style socket. Black plastic socket has non-corroding, shock-resistant interior design that eliminates shorting out and is color-coded to RVI standards.

by:

As the video indicates, ensure that your vehicle wiring is the same as the 7 blade definitions. Mine was not. Had to determine what color wire connections to use for a 4 flat adapter use on a dolly.



by:

Service from erailer is always quick and efficient. The one time an incorrect product was shipped, the company beat a path to my door to get the right item into my hands. Every experience with them has been 100% positive. Great folks!



by:

Installed this on my 2006 Jeep Wrangler Rubicon Unlimited, which never had one nor a kit to do it. I needed trailer lights, 12v power and brake control for a Coleman camper I pull. Has worked reliably for a year now.



by:

The convert in the trailer quit, I needed 12V ASAP and didn't have the wherewithal at the time to replace it. So, I mounted the socket on a piece of wood and hooked-up just the ‘battery-in’ (black) and neutral (white) terminals. I wrapped each lead around a couple of old fence post insulators. I clipped my battery charger to those. I plugged in the trailer and turned on the charger. Now the status display in the trailer shows the batteries charging. It saved me from exposing and charging the batteries in this rotten weather.



by:

Works like it is supposed too.



by:

Just what I needed and at a great price



by:

I ordered all the parts required to safely flat tow out 2017 Jeep Cherokee Trailhawk from etrailer.com. The only part they didn't have was the Mopar Flat Tow Enhancement kit Jeep requires to flat tow this model.

Ordering from them was great, the website is easy to use and I was able to locate all the pieces compatible with my specific vehicle. The expert recommendations help my decision choosing the right parts. I ordered from etrailer even though I found some of the parts on other websites a little cheaper. I chose to pay a little more because of all the effort etrailer has put into installation videos and guides. I was very pleasantly surprised to learn from etrailer that they have a price match guarantee!

So my equipment consisted of the following

Mopar Flat Tow Enhancement Kit (from Jeep)

Roadmaster Battery Charge Line Kit for Towed Vehicles

Mighty Cord 7-Way RV Style Trailer Connector - Trailer End

WesBarg 7-Way, RV-Style Connector w/ 6' Long Coiled Cable Trailer End

Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket - Vehicle End

Hopkins Custom Tail Light Wiring Kit for Towed Vehicles

SMI Stay-IN-Play DUO Supplemental Braking System

Roadmaster Brake-Lite Relay Kit for Towed Vehicles

Blue Ox Alpha Tow Bar - Motor Home Mount - 6,500 lbs

Blue Ox Base Plate Kit - Removable Arms

Blue Ox Tow Bar Cover - Aladdin, Aventa LX, Aventa II


The installation videos are great but not all inclusive. Take the time to read the instructions that come with the parts. This is a major project, I took about 30 hrs over a full week but as you'll see in the pictures I took s few extra steps to make a cleaner look.

Some of those extra steps:

The base plate install requires the bumper be modified cutting off a flange on each side, I spray painted this to prevent corrosion.

In the install video of the baseplate on the drivers side they use an extra quick link (not included) to run the safety cable around the wiper fluid reservoir. I took the time to remove it and run the safety cable behind it.

I didn't want our nice new vehicle to look like it can be towed so I played the brake away switch and 7 way trailer plug behind the license plate, so when not being towed our vehicle looks great!

Some things to be aware of. The Brake air cylinder that mounts to the brake pedal with four bolts may need longer bolts, it did on our Jeep. Spend the money for weather tight heat shrink crimp fittings. The Hopkins wire harness was about 1.5 feet short to get to my plug location. Buy extra zip ties, electrical tape and split loom.

I recommend reading all the various installation manuals and watching all the videos because the various components integrate together and if you install one at a time you'll be doing a bunch of extra work.

The brake light relay is a real pain in the butt, not because of the hardware but because of the location of the brake light switch which is very hard to get to.

Overall I am very happy with the products and how the installation looks. We haven't towed it yet but do not expect any problems.






Roy

7/30/2018

Still very happy with our purchase. We’ve towed over 10k miles and have had zero issues with our tow setup. I’ve shared my experience with several other RVrs and recommended your company for their needs. Thank you



by:

7 Pin Trailler ConnectorsI ordered the Pollak Black Plastic, 7-Pole, RV-Style Trailer Socket - Vehicle End, and the Pollak Black Plastic, 7-Pole, RV-Style Trailer Connector - Trailer End to re-wire a Lance camper to vehicle connector.

I am going to adde the Vehicle End to the Lance camper and make a male-to-male pigtail that will plug into the vehicle and into the Lance camper.

The reason I am doing this is because I once forgot to unplug from the vehicle, and I ripped the wires out of the camper. The process to plug and unplug the wires is to back about 80% under the camper, plug in the connectors, then back the rest of the way under.

Once I rewire with the purchased connectors, I will be able to back all the way under the camper, preventing the problem of stopping at 80% both when loading and unloading.

The color coded Pollack connectors make the job of wiring easier.

I purchase all my trailer needs from eTrailer. Their service is always top notch.



by:

Perfect item if you run LED lights on your trailer and your vehicle detects bulb(s) out



by:

Ordering process was very easy and my order shipped quickly. Ordered 2 of these and when I received them they were not the same. One was nice, the other (in my mind) was cheap and flimsy. I was happy with one and disappointed with the other. One I would have given 4 stars and the other one 2 stars. I would not order again unless I knew I was getting the nicer unit in the video I watched. I would also like to comment on the video and wiring instructions. I wired it like it suggested in the video, I had no clue there were different ways to wire a RV and utility trailer. The video and product page described RV wiring. Had to take it all apart and rewire it for my utility trailer. Crazy why they are not the same. My 2012 Ram truck, 2002 Dodge, and every trailer I have owned or pulled (no RV trailers) were all wired the same. etrailer.com assumes you are going to be using a RV I guess.

Etrailer Expert

Laura E.

2/25/2017

Thanks for your business and your review, Jeff. The connector is an RV blade-style trailer socket and is color-coded to RVI standards - we recommend testing for function before connecting.

Jeff L.

1/28/2018

The cover on the cheap and flimsy version broke after about 3 uses. I would not purchase this product again unless I knew I was getting the nicer version. The nicer version is doing great, no issues with it so far. I emailed the company about the broken cover, but I did not receive a response.



by:

Had my local service station mount it to the front of my RAM 3500. Allows Electric brakes to release when pushing boat trailer into storage using front of truck. Technician added a separate switch to active backup lights.
Works great.
Thanks

Jerry A.

4/18/2020

Works as described. I’m satisfied. Thanks



by:

Seems as expected



by:

Works as intended

Joe

6/10/2023

It still does the thing

Etrailer Expert

Mike L.

7/11/2023

@Joe Glad to hear it's doing the thang, that's important!


by:

works great



by:

The part is heavy duty and a good replacement. The terminals are color coded, the green terminal turned out to be the brown wire. Check each terminal to verify they connected correctly. When I put the right turn Signal on, the tail lights came on and right turn signal was dim. Switched the brown wire to the green terminal and green to the brown terminal and worked correctly.

Etrailer Expert

Victoria B.

10/7/2019

This is a common problem folks run into when working on 7-way trailer wiring. Traditional SAE wiring code uses a Green wire for the right turn and brake signal, while RV Standard wiring code uses Green for the tail and running lights. This PK12-707E connector is coded to RV Standard, while your vehicle uses Traditional SAE wiring. I have linked a help article with more information on these wiring codes for you.



by:

Works great! Installed on my tractor in two locations to provide power to a trailer equiped with electric brakes..

Clifton

3/23/2019

Works great! Used connector on tractor to provide electrical output for electric brakes on a large utility trailer......



by:

Exactly as described, exactly what I ne eded.



by:

Always a pleasure doing business with Etrailer .. great products at a great price shipping is always fast and packed well .. Thanks !

William

7/3/2021

GREAT



by:

Seems great. Time will tell



by:

I purchased this as a replacement for the exact same model. Haven't installed it yet but will before winter strikes. I live in Michigan and typically get 5 - 6 years out of them before the door spring weakens and the innards corrode. The price is right so I don't mind replacing them occasionally. I use dielectric grease inside and lots of good electrical tape & wire loom around the external wiring. That seems to prevent corrosion, at least until the spring goes.



by:

These connectors were high quality by a known manufacturer. I could have bought them locally but I wouldn't have gotten the expert advice and detailed information that I was able to get from eTrailer!. I talked to several people and each one was very knowledgeable. When the parts arrived, it surprised me because they came so quickly! I would readily order from them again if I needed more trailer parts. I used these connectors to adapt a Minn-Kota trolling motor to my fishing kayak and have attached some pictures showing it installed.



by:

Bought this to replace a broken OEM connector. Fit perfectly and was easy to wire. Good solid Pollak product. Price was lower than any other site I visited. Will definitely shop here again.

Steve M.

5/17/2018

Still working fine



by:

Not as easy to wire as in the video. Need to really make the wires short so will fit back inside. The wire (DW04914) did not want to slide back through the grommet and pulled it out. Had to lubricate to get it to slide through. I decided not use this product but opted to use the 4' Pigtail Wiring Harness to repair my 7-Pole RV Ford Socket. The wiring harness code is PK11998. It plugs in directly to my OEM Ford socket.



by:

Harness worked well and these folks helped determine which harness would work on my Highlander. This was a great help. They replaced parts that was lost by ups due to the box was damaged. Great folks to do business with. Many thanks.



by:

I have ordered several items from etrailer over the years, from leaf springs, to tail lights, hitch receiver and connectors. Always happy with quality, price and speed of delivery.


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Show More Reviews

See what our Experts say about this Pollak Trailer Wiring

  • How To Create a Separate Battery Charge and Light Trailer Connector for a Truck Bed Camper
    I do have an option for you but most of the standard trailer connectors are not going to handle an 8 gauge wire very well as it is just too large. Therefore, your best option as you mentioned would be to just run the lights and battery charge line on separate connectors. I have attached some parts you will need below for the above option. Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket - part # PK12-707E Pollak Black Plastic, 7-Pole, RV-Style Trailer Connector - part # PK12706 Pollak...
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  • Why Do Some 7-way Plugs Use Dual Contact Surfaces
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  • How To Tow An RV Trailer with a Semi Tractor
    In order to tow a standard rv trailer with a semi tractor you will need to use an adapter because the stop/turn signals are on the same circuit for a standard rv trailer and different circuits for a semi tractor. That said, they don't really offer an adapter specifically for this but you can make one of your own using the Pollak Heavy-Duty, 7-Pole, Round Pin, Trailer Wiring Connector part # PK11700, the Roadmaster Brite-Lite Wiring Converter part # RM-732, and the Pollak Black Plastic,...
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  • Replacement 7-Way Trailer Connector for a 2005 Toyota Tacoma
    I have two replacement trailer connector options for a 2005 Toyota Tacoma. If you have the US Car Connector which can be removed from the back of the factory plug then you can just use the Pollak Replacement 7-Pole part # PK11893. If there isn't a pigtail that can be removed from the rear of the connector then you'll need to use the Pollak Black Plastic, 7-Pole part # PK12-707E which requires splicing.
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  • Towing a Trailer with Electric Brakes with a Semi Tractor with Air Brakes
    To tow your trailer that uses an RV style 7-way blade style connector with your semi that has a 7-pin connector, you need to construct an adapter that will also combine the brake signal into the right and left directional signal pins. This can be done by using a female 7-pin socket # PK11720 to accept the plug from the semi, a tail light converter # 119178 and a female 7-way RV blade-style socket # PK12-707E. The converter would be wired in between both sockets to combine the brake light...
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    Image 1 for
  • Do You Carry a 7-Way Blade Connetor to 7-Way Round Pin Adapter
    We can help you with that! If the vehicle has the 7-way flat blade, you can use the Adapter 7 Way (Blade) to 7 Way (Round Pin), part # 47595. If your vehicle has the 7-way round pin, you can construct an adapter using two parts, the 7-Way Round Pin Trailer Side Connector, part # PK11700 and the 7-Way Vehicle Side Connector, part # PK12-707E.
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  • Parts Needed To Pull A Gooseneck Trailer Behind a 2007 Kenworth T800
    I do see your Holland FW35 is designed to fit a 2" kingpin like the one used on both the 25K # KPG5-R25-IP and 30K # KPG5-R30IP coupler adapters you looked at. For the wiring you will need to create a custom adapter. First you will need the 7-Pole Round Pin Connector # PK11702. This will need to be wired to the Tail Light Converter # HM48847 since the 7-pin connector on your Kenworth has separate wiring for the brake and turn signals and a 7-way Blade # PK12-707E combines the brake and...
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  • Trailer 7-Way Won't Work with Vehicle 7-Way
    The 7-way trailer connectors are an industry standard design and cross compatible among brands. That said, the manufacturing tolerances are not the same among all brands which is why you can sometimes run into issues although this is not very common. It's hard to say which side is out of spec so I will give easy to install replacement options for both side and let you decide which to replace if not both. Trailer Side: Pollak Black Plastic, 7-Pole, RV-Style Trailer Connector part # PK12706...
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  • Part Needed to Convert 1999 Ford F-350 Trailer Wiring From 6-Pole to 7-Way RV Blade Type Socket
    You can use the Hopkins Endurance Multi-Tow 7-, 5- and 4-Way Flat Trailer Connector # HM48470 to convert your Ford pickup from a 6-pole connector to the 7-way blade type connector (and you'll get a 4-pole and 5-pole flat included) or you can use the 7-way-only part # PK12-707E. Both have screw terminal connections on the back to allow you to join your existing wiring. The linked article on trailer wiring shows you the function format for 5th wheels. You can use a tester like # PTW2993...
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  • Parts Needed To Install 7-Way and Tekonsha Trailer Brake Controller On a 2022 Ford Bronco
    I recommend using the Tekonsha OEM Replacement Vehicle Wiring Harness w Brake Controller Adapter # TK55VR to install the Tekonsha Primus IQ Trailer Brake Controller # TK90160 and 7-way on your 2022 Ford Bronco. This Kit includes the Tekonsha Plug-In Wiring Adapter # 22292. The Hopkins Tail Light Converter Kit # HM48895 should not be used on your Bronco as this puts the power strain on the factory wiring and does not uses a powered converter like the Tekonsha above. Also the Pollak Black...
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  • Replacing the 7-Pole Connector on a 2001 Dodge Dakota Quad Cab
    You can use the Pollack 7-Pole Trailer Socket, # PK12-707E, on your 2001 Dodge Dakota quad cab. Keep in mind, this is not an OEM replacement socket, so the wires will need to be attached to each terminal in the socket. I have attached a photo showing how this socket should be wired. It is important that you wire the socket by function and not wire color since vehicle manufacturers are not known to follow an industry standard color code. If you are replacing an OEM 7-way, then you may...
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  • No Power to 12 Volt Pin on a 2011 Chevy Silverado 7-Way Trailer Connector
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  • Does the Pollak 7-Way RV-Style Trailer Socket # PK12-707E Come Pre-Wired
    The Pollak 7-Way RV-Style Trailer Socket, part # PK12707, is not pre-wired because it can be wired differently depending on the application. When wiring a trailer connector, it is best to wire by function, as wire colors can vary. You will want to use a circuit tester, part # PTW2993, to test the wire function on your vehicle. Once you have tested the wires on your vehicle for function you will want to wire them to the # PK12707. If you are looking at the inside of the trailer connector...
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  • How To Wire a Blade Style 7-Way On a Tractor To Pull RV
    The wires that you attach to the rear of the Pollak Black Plastic 7-Pole, RV Blade-Style Trailer Socket part # PK12-707E will need to be chosen based on function, not color. Therefore, if you can tell me what function the yellow wire has I can then tell you which terminal to insert this in. If you don't know the function then you will need to test this with a circuit tester. Since you said you had a tractor most likely you need to combine the stop/brake light circuits with a converter such...
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  • How to Replace/Add a 7-Way Trailer Connector to a 2012 Toyota Tacoma
    If you are looking to replace the 7-way trailer connector on your 2012 Toyota Tacoma then the Pollak Replacement 7-Pole, RV-Style Trailer Connector Socket part # PK11893 may work for you. In order to determine whether or not it does you will need to make sure the 7-way trailer connector you have now comes apart or splits into two pieces. I have attached a video which shows the plug being pulled apart. If it does then you are good to go with the above but if not then you will need to cut...
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  • How to Make 5 Foot Long 7-Way Round to Blade Adapter
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  • Correct Vehicle-End 7-Way Pin Functions
    The photo you are referring to, which I have added, is actually correct. The left side of the diagram is simply the face of a vehicle-end 7-way. The right side of the diagram is what you would see if you pulled the connector out, turned it around and looked inside. That is why the functions (Brake Controller Output, Ground) are on the opposite sides. I have added a link to a help article on trailer wiring which I recommend checking out as it has a bunch of really good info.
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    Image 1 for
  • How To Connect a 7-Blade Trailer Connector to a 7-Pole Trailer Connector
    It sounds like you are trying to go from a 7-pole to a 7-blade trailer connector. If the 7-pole is on the vehicle and the 7-blade is on the trailer then you will need to combined the stop and turn signals with the Roadmaster Brite-Lite Wiring Converter part # RM-732 and then just install the Pollak Black Plastic, 7-Pole part # PK12-707E after the converter.
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  • Electric Over Hydraulic Brake Controller Recommendation for a 2005 GMC Yukon XL
    For your application, I would recommend the P3 Proportional Brake Controller, item # 90195 and wiring harness # 3015-P, which is compatible with electric over hydraulic braking systems. The # 3015-P will plug in under the dash on your Yukon XL. I have included an article on installation of a brake controller on 1999-2006 GM trucks and SUV vehicles. For a hard wire connector you can use the 7-Pole, RV-Style Trailer Socket, item # PK12-707E, along with the # PK12711U mounting bracket or...
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  • Can 10 Gauge Wire Be Used for Trailer Brakes if the Magnet Wires are a Smaller Gauge
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    view full answer...
  • Trailer Connector for 2004 Chevrolet Silverado 2500 With Existing Gooseneck/5th Wheel Wiring
    Thanks for the photo of your trailer connector. I recommend replacing the connector in your vehicle. Since you already have the wires at the bed of your truck, you can use a 7-way blade-style connector, like the Pollak # PK12707, to provide a new connector. To mate with this connector, you will want a 7-way blade-style connector, like the Pollak # PK12706, on your camper. You will want to wire these connectors by function. There are a few different ways a 7-way can be wired. I have attached...
    view full answer...
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  • How to Make 7-Way Blade to 7-Way Round Adapter for Tractor Trailer to Use Curt Echo
    Your heavy duty style 7-way is different than the 7-ways we normally see for two reasons. One reason is that the stop lights and the turn signals are on different circuits and because the 7-way uses round pins instead of flat blade style connectors. On the chart that you attached you don't have a dedicated brake output signal (probably because your vehicle normally tows air brake trailers) but you do have an extra NA circuit that you could use a brake controller with. To use the Curt Echo...
    view full answer...


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Do you have a question about this Trailer Wiring?


Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Victoria B
Expert Research:
Victoria B
Employee Jeff D
Installed by:
Jeff D
Employee Cole B
Installed by:
Cole B
Employee Wilson B
Written by:
Wilson B
Employee Hannah L
Updated by:
Hannah L

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