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Pollak HD, 7-Pole Round Pin Connector w/Cable Guard

Pollak HD, 7-Pole Round Pin Connector w/Cable Guard

Item # PK11702
Our Price: $15.96
You Save: 42%
Trailer Wiring
Shipping Weight: 0.79 lbs
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Great Prices for the best trailer wiring from Pollak. Pollak HD, 7-Pole Round Pin Connector w/Cable Guard part number PK11702 can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (99)
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Pollak Trailer Wiring - PK11702

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

  • Heavy Duty Standard 7-Way Plug with Cable Guard
  • Material: Zinc Die-Cast
  • Voltage Rating: 6-28 Volts
  • Current Rating: 40 Continuous Duty Amp

PK11702 Pollak HD 7-Pole Round Trailer Connector

Video of Pollak HD, 7-Pole Round Pin Connector w/Cable Guard

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

Video Transcript for Pollak HD 7-Pole Round Pin Connector Installation

Today, on our trailer we'll be installing the Pollak heavy duty, seven pull, round pin connector with Cable Guard, part number PK11702. Now, we already have our seven way wiring coming off our junction box. As well as, already having stripped some wire back that we'll be connecting our new seven-pin connector to. To begin with, we'll need to take the small set screw, as well as the relief strain screw loose to remove the center portion of the seven pin connector. We'll go ahead and pull out the center portion, as this is where we'll be connecting our wires. We're going to go ahead and show you a comparison of what was on the customer's trailer already. We'll be rewiring it exactly how the customer had it.

Now, depending on your truck's wiring your wiring may be in a little bit different order or the colors will go to some different locations on the back of the seven way. You'll want to test your vehicle using a test light, so you know which pin does which function. We'll go ahead and match each wire color for color with how the customer's trailer was already wired. Now, you will notice that the new plug we'll be adding a yellow wire in, as the old wiring on the customer's trailer only had a six wire plug and this new plug is a seven wire plug. Now, our extra yellow wire will actually go in the center, in between the green and the red wire, and just below the blue wire, which, is actually the very center wire on this plug. Now, that we have the wires connected to the new plug let's go over what our functions do on our particular trailer. The white wire is the ground wire.

The blue wire is the electric brake wire. The black wire is the 12 volt hot wire. The red wire is the left turn and stop. The brown wire is the right turn and stop. The green wire is the taillights, or the running lights and the yellow wire is the auxiliary. Now, we're ready to put the center portion of the plug back into the housing.

We'll simply pull the center portion back down into the housing, lining up the set screw hole. Next, we'll put the set screw back into place and then, we'll tighten down the cable release screw that helps keep the cable in place. With that done, that's all there is to it to installing the new Pollak heavy duty, seven pull, round pin connector with Cable Guard, part number PK11702. .

Customer Satisfaction Score:

Customer Reviews

Pollak HD, 7-Pole Round Pin Connector w/Cable Guard - PK11702

Average Customer Rating:  4.9 out of 5 stars   (99 Customer Reviews)


I bought this as part of a rewriting project for my 77 Airstream Tradewind. What can I say - it works and it was easy to install. I've never made one of these before but after following some instructions online my problems were all fixed and I had lights and brakes.

FYI, if you are using this for a 77 Airstream like myself you will need to connect the wires from the tow vehicle to this connector according to color with three exceptions:

The yellow wire from the tow vehicle goes to the black connector on this plug.

The black wire from the tow vehicle goes to the blue connector on this plug.

The blue wire from the tow vehicle goes to the yellow connector on this plug.

If the above doesn't make sense to you now (like it didn't to me) it will make perfect sense once you have this item in your hand.

One more note about my installation - I had two problems that I was trying to solve with this. The first is that I had an "SH" meaning a short circuit in my brake lines. This same error showed up no matter what tow vehicle or what brake controller was connected.

The second problem is that my running lights would not work on my camper, however when you connected my camper to another tow vehicle using my old 7 pin plug the lights did work. Strange, but we verified that the problem was not in my tow vehicle so the only option would be this 7 pin connector was somehow not working correctly. For what it's worth, the running lights would work on a 1999 Suburban and a 1997 Tahoe, but would not work on my 2004 Suburban.

Anyways, I figured that I would at least try to use this item to make a new connector before taking it in for service and lo and behold once I got everything hooked up it all worked perfectly (the brakes and all of the lights now work).

I couldn't be happier.

Andrew C.


As a followup one year later, I am still VERY pleased with this connector. It still works absolutely perfectly without any issues. It turns out that my lighting issue was NOT the old connector that I had after all, but was an issue internal to the Airstream fuse panel. Ive since fixed that super easy to fix once the problem was identified but still this connector seems much more durable than the one that it replaced. I would buy this again if I ever need another one though judging from how it looks I dont think this one will ever go bad.


We had a truck that had a male side of this particular plug. We also had a trailer that needed to be wired up with the female side. etrailer had the parts we were looking for. Purchase was easy and the part fit nicely. Wiring was simple we just printed the PDF file easily found online. We did have to do some simple trouble shooting as our old connector had a 5 wire system but we figured it out. We've bought other trailer items from etrailer and have always been happy with fast service and fair pricing.

Luke B.


After a year installed have had zero problems excellent product!


Used these to replace the plastic connectors on my tractor trailer 7-way cable. I'm extremely happy with my purchase. They were very easy to install, and I don't feel like I'm going to break my connector everytime I unplug my trailer.



This connector has been great. Its survived the heavy use of being on a local tractor trailer that s and hooks 2-3 trailers a day, 6 days a week.


Works perfectly as designed


Great parts thank you


I like the cable protective spring. High quality and a great brand.


fast shipping!


This is by far the best plug I've ever had. I go thru some of the most extreme terrain and conditions with both my goat trailer and camper while in the back country. This plug has not failed me yet. I should get a lot of years out of these.


Bought to replace the plug that came on my new Bush Hog 1812 that I hook to a Kubota M6040 . The plastic plug was damaged during a hookup of the mower. The Pollak replacement plug with the spring cord guard if far superior in construction. The coil guard protects the area that was initially cut. Extremely easy to install. The videos from the company are very helpful. The red wire on the Bush Hog goes to the Green wire hookup on the new plug. On farm equipment there is always some variations.


Dear E trailer. Your pigtail was an excellent replacement for my Father's semi-truck. The existing plastic one was cracked and could have shorted out. The delivery was a day early and the online bills were easy to read and copy. Right now I wouldn't change a thing. Thank You. Jorge Hernandez


Excellent product used on gooseneck flatbed trailer, lots of turning of45 degrees or more. The wire bundle holds great with all the movements.


High quality compared to the plastic 7 flat pin connectors. Also a good way to keep people from borrowing your trailer.


All products are Code 4.
Delivery was
when it was supposed to be delivered.
This is my second order with, and I am satisfied.
I live in a small town, and ordering from you is better than driving 100 miles.
Thank you! I will recommend you to others, you are doing a great job!


Nice steel cover. Held up well so far on the equipment we installed it on. Direct replacement for the old Pollack connector used oem.


Best 7 Pole pin connector out there!!!! !!!


Works as advertised to utilize a 7 pin agriculture tractor plug on tractor for implements and such in which only the aux power is needed so with this you can make a custom connection.


Kork great


Your representative answered my questions before I placed my order. The part came in, looks like a match. I will keep you posted as to how it works out. Shipped out as told, received as expected.


Shipped quick, great price. Well built, installed 1 today no issues, other 5 are for stock or other trailers. Will continue to buy from you. Thanks.


Excellent product. I needed this item to connect a skid winch to my tractor. It's extremely durable and was easy to install. I'm very satisfied with the product and the service.



Great. No problems.


Excellent used it on a subcompact tractor to power auxiliary lights.


Heavy Duty quality connector


Great connector, well built, sturdy, and easy to install.


Everything as it should be. Job well done by etrailer.


Perfect plus fast shipping. Still works great after a year.

Ron M.



Show More Reviews

See what our Experts say about this Pollak Trailer Wiring

  • Troubleshooting Trailer Lights Dimming When Pushing Brake Lights Activated on Commercial 7-Way
    It sounds like you are having a ground wire issue. That would explain why the lights are dimming and you are getting the flashing. You will want to check the ground terminals where they connect to the trailer and you may need to use a larger gauge ground wire going from the trailer to the Pollak HD, 7-Pole Round Pin Connector # PK11702. Also be sure to check the wiring on the Pollak Heavy-Duty, 7-Pole, Round Pin Trailer Wiring Socket # PK11720 to ensure it has a good ground connection.
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  • Constant Power on Yellow Wire for Trailer Wiring Harness on 2015 Chrysler Town and Country
    It sounds like you might be having some issues with the trailer wiring harness on your 2015 Chrysler Town and Country. If that's the case then the issue is likely within the converter as that is the most common fail point. If you have constant power on the yellow wire which is for the left hand stop/turn signal circuit, test the yellow wire going into the converter from the tail lights. If you don't get constant power here then you know the issue is with the converter and the entire harness...
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  • Brake Lights Not Working on 2014 Chevrolet Equinox Being Towed by Semi Road Tractor
    Since your 2014 Chevrolet Equinox has a combined wiring system, which means brake and turn signals are sent along the same wire, you will need to use the Upgraded Circuit Protected Taillight Converter, # 119178, in order for your brake lights to function. You will want to use a connector like the Pollak HD 7-Pole Round Pin Connector w/Cable Guard, # PK11702, and wire in taillight converter, # 119178, to match the functions of the 7-way on your semi. I have included a diagram that shows...
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  • Trailer Connector Adapter for a John Deere Tractor with 7-Pole Round Trailer Connector
    I have attached a photo of what I believe you have on your John Deere Tractor. If that is the case then this is what is referred to as a 7-pole trailer wiring harness and in order to then adapt this for use with a 7-blade trailer connector you would want to use the Pollak Trailer Connector Adapter part # PK12-724. If this is not what you have please send me a photo and I would be glad to see if we have a better option for you. I have attached a review video for you as well.
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  • Wiring Adapter for 4-Way Connector on 2014 Ram 1500 Snug Top Canopy
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  • Do 7-Pole Connector # PK11700 and Cable Guard # PK11763 Thread Onto Each Other
    The 2 parts in question, # PK11763 and # PK11700, do thread together. I went out and tested it myself to make sure. Once threaded on the cable guard doesn't like to thread back off though. I used a small flat blade screwdriver to sort of pry the coils off enough to where I could then pull it off. We also have them already together as # PK11702.
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  • Should the Blue Trailer Connector Wire be Hot All the Time
    The only wires that could be hot all the time on a trailer connector is the 12-volt hot lead, which is usually a black wire, and, if applicable, the auxiliary power wire, which is normally yellow or purple. The blue wire is usually for electric trailer brakes and if it is hot all the time that would indicate a short. I have included a link to our help article on trailer wiring that has numerous diagrams showing the functions of the pins for many trailer connector styles. You can't always...
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  • Blade Style and Round Pin Style Trailer Side 7-Way Connectors
    The Bargman 7-Pole, RV-Style Connector, # 50-67-106, is a blade style connector. If you see the term RV style that is usually and indicator that it is a blade style. If you need a 7-Way round pin connector you can use # PK11702. You would need to attach the wires yourself by taking apart the connector to access the location inside where the wires attach.
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