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Hopkins
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Custom Fit
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Trailer Hitch Wiring
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4 Flat
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7 Blade
Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors
(174 reviews)
Price: $45.41
Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors
Item # 30955
Our Price: $45.41
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To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
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- Reviews (174)
- Q & A (289)
- Videos (9)
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Hopkins Custom Fit Vehicle Wiring - 30955
- Custom Fit
- Trailer Hitch Wiring
- Hopkins
- 4 Flat
- 7 Blade
- No Converter
Custom 7-Way US car connector (car end) fits trucks and SUVs equipped with factory socket.
- Durable plastic shell
- Provides Both a 7-Way and a 4-Way Covered Trailer Connector
- Mounting Bracket Included
- Visible wire measures 6-3/4" from vehicle end to trailer end
- Measures 10-1/2" from vehicle end to back of trailer connector
Close-up Picture of the Connector
Picture of the OEM connector on a Chevy truck. The connector is located above the spare tire and simply plugs in to the 7-Way and 4-Way Replacement Connector.
40955B Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors
40955
Installation Details 
This Product Fits The Following Vehicles
2000 - 2000 GMC Yukon New Body Style - with factory 7-Way
2007 - 2009 Chrysler Aspen with factory 7-Way
2002 - 2006 Chevrolet Avalanche with factory 7-Way
2008 - 2012 GMC Canyon with factory 7-Way
2008 - 2012 Chevrolet Colorado with factory 7-Way
2007 - 2007 Dodge Durango with factory 7-Way
2001 - 2013 GMC Sierra with factory 7-Way
2007 - 2007 GMC Sierra Classic with factory 7-Way
2007 - 2007 GMC Sierra New Body with factory 7-Way
2001 - 2013 Chevrolet Silverado with factory 7-Way
2007 - 2007 Chevrolet Silverado Classic with factory 7-Way
2007 - 2007 Chevrolet Silverado New Body with factory 7-Way
2000 - 2006 Chevrolet Suburban with factory 7-Way
2000 - 2006 Chevrolet Tahoe with factory 7-Way
2001 - 2006 GMC Yukon with factory 7-Way
2000 - 2006 GMC Yukon XL with factory 7-Way
2007 - 2012 GMC Acadia with factory Tow Package
2008 - 2009 Dodge Durango with factory Tow Package
2002 - 2007 Chevrolet Avalanche without factory trailer connector
2002 - 2007 Cadillac Escalade without factory trailer connector
2002 - 2007 Cadillac Escalade EXT without factory trailer connector
2003 - 2007 Hummer H2 without factory trailer connector
2000 - 2020 Chevrolet Suburban without factory trailer connector
2001 - 2020 Chevrolet Tahoe without factory trailer connector
2003 - 2019 GMC Yukon without factory trailer connector
2003 - 2019 GMC Yukon XL without factory trailer connector
California residents: click here
Video of Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Trailer Wiring Harness Installation - 2018 Jeep Grand Cherokee
Hopkins Custom Fit Vehicle Wiring - Trailer Hitch Wiring - 30955 Review
Trailer Wiring Harness Installation - 2006 GMC Sierra
Trailer Wiring Harness Installation - 2005 Chevrolet Silverado
Trailer Wiring Harness Installation - 2015 Chevrolet Express Van
Trailer Wiring Harness Installation - 2007 Chevrolet Silverado
Trailer Wiring Harness Installation - 2008 Chevrolet Silverado
Trailer Wiring Harness Installation - 2017 Nissan Titan
Trailer Wiring Harness Installation - 2005 Nissan Armada
Video Transcript for Trailer Wiring Harness Installation - 2018 Jeep Grand Cherokee
Speaker 1: Today on our 2018 Jeep Grand Cherokee, we're going to be installing Hopkins 7-way and 4-way trailer connectors, part number 30955. This 7-pole connector's going to plug directly into your factory wiring harness, providing you with all the necessary trailer signals from both a 4-pole flat connector and a 7-pole connector. Both connectors are going to provide you with the necessary lighting signals, such as your left turn, right turn, brake lamp and stop lamp signals. Your 7-pole's going to have some additional wiring in it for a brake controller signal, auxiliary power and backup lamps. The 7-pole connector has a spring-loaded door with a seal located on the inside to keep out moisture and corrosion.The 4-pole connector has a dust cap that can be removed and reinstalled to help keep out dirt, debris and moisture. This is ideal if you have multiple different trailers.
If you have a small trailer for hauling things around that just needs lighting, you've got your 4-pole. Let's say you've got a boat trailer to haul a big boat that uses a brake controller. You've got your 7-pole here for that. Whatever situation, you're ready to go.We'll begin our installation by installing our 7-pole bracket onto our hitch. If your hitch doesn't have a built-in bracket, you may need to purchase a short or long bracket.
You can find one of those here at etrailer.com. Start by preparing your screw. You'll place on a lock washer, followed by a flat washer, then we'll slide those down through the openings in our bracket. We'll then slide our 7-pole bracket up onto it, and thread the nut on the other side. Then tighten those down with a 10 millimeter socket and Phillips head screwdriver.
Next spot your 7-pole connector by sliding the harness through the small slit at the bottom of the bracket and sliding the longer flathead screws through each of the openings in the face.Then on the backside, thread on your locking nuts. And repeat that for the three remaining screws. Then tighten them down with a flat-bladed screwdriver and a 10 millimeter wrench. Now underneath the vehicle at the rear bumper on the driver's side, you'll find your factory tow connector. Inside there's a dummy plug we'll have to remove.
So you'll push down on the release tab here, and pull out on the dummy plug. Then you can just set this aside. We'll then add some dielectric grease to the terminals inside of our 7-pole. This'll help keep out any moisture and corrosion. Then we can just plug it in. Make sure the connector's fully seated, you should hear it and feel it click into place. Now you want to plug it into your trailer or use a tester, such as the one that we use here at etrailer, part number I26 to make sure everything's working properly. If you don't have any signals out of your tester or your trailer, you may need to go to the dealer and get the computer flash to make it operative.That completes our installation of Hopkins 7-way and 4-way trailer connectors on our 2018 Jeep Grand Cherokee.
Customer Reviews
Replacement Custom Multi-Tow 7-Way and 4-Way Trailer Connectors - 30955
Average Customer Rating: 4.8 out of 5 stars (174 Customer Reviews)
- 30955
by: Donald10/23/2018
Just installed, took 15 minutes. 5 minutes getting tools & two self tap screws out of shop. Very good pro 576747
- 30955
by: Chad09/12/2018
2006 Chevrolet Silverado
Nice replacement for factory plug. Did not use hardware supplied for installing bracket. Self tappers worked much better for me. Only reason I didn't give it 5 stars. 564276
- 30955
by: David05/09/2018
Chevrolet Silverado
I bought this style of Electrical Hitch tail light hook up by mistake, this one comes with a bracket and you can mount it in many places using the bracket. My Chevy Silverado has a twist on flange opening which takes a different style model. Returns you pay for shipping, which is not a big deal, but Just make sure when you plan to purchase an item that you buy what you need for your vehicle, etrailer has many models that can go with your vehicle, I just got in a rush, I ordered the correct model item with flange and will be returning this style but everything about this style is good so I rated it 5 stars. 505872
- 30955
by: Greg07/01/2018
Fast Ship! Worked perfect, Thank you 528930
- 30955
by: Kevin07/26/2019
Cathy T. was very good help. She set me up with the correct parts for our 2001 Chevy so we can have a 7 prong plug in at the bumper and in the box. We got rid of the cobbled up mess that started giving us trouble and now everything works great. The plug and play took me about 1 1/2 hours to complete. We will do business again if needed. Thanks again Cathy T. and etrailer! 676879
- 30955
by: Robert05/20/2018
2017 Jeep Grand Cherokee
Connected to a 2017 Jeep Grand Cherokee. Mounting holes did line up with Draw tite hitch. Connected to factory connector mounted on center of inside bumper fascia. Since I did not have factory tow, I had to have the dealer flash the ECU to activate functionality to the wiring. Cost to flash ECU $62. Had to shop,(most wanted $125). This was a whole lot easier and cheaper than other long way around the block harness options. Keep in mind that this will not operate the trailer break functions. Not a problem, I use a Tekonsha 90250 brake control mounted to the trailer and swap the hand held between vehicles. 510787
- 30955
Doug S - 01/01/2016
16303
by: Doug S.01/01/2015
2004 Chevrolet Silverado
Pretty easy to install. I originally ordered a more expensive version that was out of stock. This item is basically the same but a little cheaper. The one I originally ordered was to be connected to the truck bumper with self threading bolts. This one has little nuts and screws that are almost impossible to connect to the enclosed bumper. So I substituted my own self threading bolts. My other concern is the bracket could be a little stiffer. I'm not sure what the more expensive version is like, but this one could use a little more structure on the bracket. Time will tell how it will hold up. I may need some triangulated bracing on the sides to stiffen it up. Otherwise it appears to be what I wanted. I've yet to connect it to my trailers to see how it performs. 167500
Comments
Worked fine for the few months I had the truck
Doug S - 01/01/201616303
- 30955
by: Dana12/11/2018
Identical wiring, configuration, and mounting to original part. Therefore installation was easy. 589835
- 30955
by: Harold J.04/10/2014
Nice product ,Easy to install and then worked as supposed to . I installed in bumper as opposed to the add on bracket that came with it ,made for a easier way to plug in trailer cord. 124445
- 30955
by: Jonathan K.10/20/2018
2011 Chevrolet Silverado
I am completely satisfied. The package arrived quickly and I was able to install on my truck the same day with help from the installation videos. I will definitely purchase from etrailer.com in the future. I have saved money by spending with etrailer.com and doing the upgrades myself. 576830
- 30955
by: Michael M.11/24/2017
2006 Chevrolet Silverado
I bought this 7 way trailer connector to replace a broken one on my 2006 Chevy 2500HD. It was an easy install and only took a few minutes to complete. I tested it with my trailer connected and all works fine. The shipping was super fast. Thanks , etrailer. 454561
- 30955
by: RL Adams06/20/2017
I installed this today. Took around 90 minutes but part of that was learning how to get the spare out of the way. I drilled two holes in the bottom of the bumper because of where I wanted the connector to be placed. All necessary hardware came with the unit. This was very easy to do after watching etrailer's How To video. Good job guys, great product. 396795
- 30955
by: Edd T.06/16/2018
2007 Chevrolet Silverado
My 2007 Classic Silverado Crew Cab 4x4 did not have a factory hitch receiver, so I selected the 13322 Curt Hitch Receiver because it closely resembles the OEM hitch receiver and attaches to the bottom of the bumper. Installation was easy, as shown in the videos and described by other reviewers. All holes aligned perfectly. I did not remove the spare tire as it is not necessary. I used two jack stands to raise/support the receiver frame in place while I started the first bolts. I had the 22mm and 19mm sockets needed to tighten and torque the bolts/nuts. It looks great and I now am able to tow. For the wiring I installed the 30955 Hopkins 7-Way and 4-Way Trailer Connectors to the bumper adjacent to the license plate. This required drilling a 2-1/8" hole in the bumper, which was time consuming, but it now resembles a factory installation. I was able to remove the license plate and connect to the factory plug. I ordered these parts from etrailer for a number of reasons: 1) The website is intuitive and contains a tremendous amount of information for the person who is trying to research product information; 2) the selection and inventory is amazing; 3) the prices are very competitive – free shipping for orders over $99; and 4) the dedicated customer service is outstanding – the email communication is prompt. I ordered on a weekend and it was delivered by the following Friday. A very positive first experience. 523319
- 30955
by: Michal12/29/2018
2018 Jeep Grand Cherokee
This part is also really great and fits perfect thank you !!!! 593843
- 30955
by: Richard09/25/2019
Finally updated my truck to a better working area for working with trailers without getting down on your knee when hooking up. When I got done drilling the big hole in the bumper, it went quite smoothly. 707666
- 30955
by: Michael09/20/2019
2004 Chevrolet Silverado
just a little pricey 706016
- 30955
by: Jason09/18/2019
Great fit works good has 7way rv plug and the regular flat 4 plug no need for adapters to lose or have stolen. 705406
- 30955
by: Steven08/23/2019
Easy to install with easily understood instruction. Fixed my problem and has worked flawlessly. Thx 692930
- 30955
by: John07/31/2019
Chevrolet
Direct replacement for my 2010 and 2011 Chevy Silverado 678872
- 30955
by: Lawrence07/29/2019
2005 Chevrolet Silverado
Product was right fit, excellent quality, cheapest shipping but arrived in 3 days. Couldn’t be more pleased! 678157
- 30955
by: Chris06/14/2019
received wiring harness 1 day after ordering it. 657891
- 30955
by: Ryan06/12/2019
Great product! Delivered in a timely fashion and as advertised. This is my third or fourth purchase through Etrailer.com and all have performed as anticipated. 657277
- 30955
by: Kreg06/12/2019
Easy install just clean the threads in the bumper good 657035
- 30955
by: Charles05/16/2019
Bracket is too weak. It bends when trying to plug up. I got to figure out how to make stronger. 642850
- 30955
by: Jill05/03/2019
2006 GMC Sierra
Just what the doctor ordered. It is as if the purchased trailer connector was tailor made for my vehicle. Perfect fit and installation was a breeze. This connector is a replacement of the factory one that was attached to the truck. Very pleased in the product as well as 'etrailer.com'. 636994
- 30955
by: SJ04/15/2019
Easy plug and play perfect for what I was looking for. 628858
- 30955
by: Ed A.04/15/2019
The product was an exact one-for-one replacement. However, I ended up having to replace the female connector due to corrosion. This took a bit of time. The result was all new connections that work fine. Thanks for all your assistance. 628856
- 30955
by: charles04/14/2019
i works like it should 628651
- 30955
by: Paul04/03/2019
Performs as expected. Good value. 616712
- 30955
by: Carey S.03/30/2019
I have purchased several products from eTrailer and their delivery, service and product quality is out standing. I particularly like the 'how-to' videos they provide to make installation go seamlessly. 615579
- 30955
by: Frank03/28/2019
Easy to install, works well except that two lights stopped working after about 10 days... otherwise product is good. 614692
- 30955
by: William03/12/2019
A must have. I love the fact that it has both a four way and 7 way on the connector. Fit perfectly. 611165
- 30955
by: Robert02/13/2019
Good fit fast shipping 604783
- 30955
by: John02/06/2019
2005 GMC Sierra
Excellent product, ez replacement when installing new hitch 602952
- 30955
by: Wayne02/02/2019
Plugged into factory connector, perfec t. 602132
- 30955
by: Tommy11/21/2018
2013 Chevrolet Silverado
thank you for having good products and getting them out for delivery as soon as you do once again thank you. 584350
- 30955
by: Alex08/23/2018
2018 Chevrolet Colorado
Cathy T. was very helpful in completing my order. I ordered 30 but etrailer did not have enough in stock to complete my order. Cathy was very helpful in completing my order and getting them delivered to me on time to complete our production run. 557117
- 30955
by: Rod08/21/2018
Product was as described no problem with the installation. Excellent turn around time. Have made purchases before and will continue to do so. Recommend etrailer for all required merchandise. 556396
- 30955
by: Douglas08/20/2018
Easy to install, great products as always etrailer is a pleasure to do business with 555876
- 30955
by: Loras08/09/2018
2009 Chevrolet Silverado
Very nice! 551544
- 30955
by: Yvonne08/06/2018
I ordered this for a friend oversees and he is happy with it. 550574
- 30955
Dana - 07/18/2019
57949
by: Dana07/17/2018
2005 Chevrolet Silverado 1500
Spent a little time on phone with Preston discussing a wiring solution to accompany the trailer hitch desired. He recommended a product and confirmed that it should be a plug and play situation. Long story short, the hitch was bolted up and the wiring functional in 1 hr's time. I had to drill (2) holes to mount the wiring receptacle, but that was expected. Great service, fast delivery, and excellent prices. I'm very happy. Vehicle: 2005 Chev 1500, 4-dr, 6-1/2 ft bed. Note: Factory wiring harness trailer plug-in was located above the spare tire, towards the rear of the vehicle. 542780
Comments
Still works great - no issues at all.
Dana - 07/18/201957949
- 30955
by: Charles07/05/2018
2011 Chevrolet Silverado
Excellent 538318
- 30955
by: Mark06/25/2018
2015 GMC Sierra 3500
Good product but had to modify mounting a little to make it fit. 526430
- 30955
by: Steve05/31/2018
Great company, super efficient, fast sh ipping. 514498
- 30955
by: Alex05/31/2018
2017 Ford F-250 Super Duty
The website was easy to use to get the correct product. Shipped out on time and arrived as expected. We use the 30955 trailer connectors on our fleet installs and it is as simple as the videos indicate. Thank you etrailer for making transactions safe,simple and efficient. 514246
- 30955
by: Anonymous05/29/2018
2004 Chevrolet Silverado
Nice product. Good quality. It is a miracle it arrived given the packaging was torn wide open. Very happy with purchase. 513498
- 30955
by: Michael05/01/2018
2007 Chevrolet Silverado New Body
Nice product. A little tough to get the hole drilled between the connectors but nonetheless do-able. Thank you for offering this product. 503186
- 30955
by: Brad04/10/2018
2008 Chevrolet Silverado
Easy to install , have not used it yet . Anything I bought at etrailer has been well worth it . Simply the best in the business.From speedy delivery to any questions you might have . I buy everything trailer related here .. 494881
- 30955
Frank - 04/08/2019
52616
by: Frank04/08/2018
2011 Chevrolet Silverado
Great fit and exactly what I was looking for 493964
Comments
Easy installation and simplifies my job
Frank - 04/08/201952616
60
185
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Ask the Experts about this Hopkins Custom Fit Vehicle Wiring
Do you have a question about this Custom Fit Vehicle Wiring?
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If your Yukon did not come with a factory tow package and 7-Way the brake controller can be wired to a set of factory wiring located under the dash, to the left of the steering column, held together with a white tag. You would...
view full answer... - Trailer Wiring Harness and Bracket for a 2001 GMC Sierra 2500HD
- If your 2001 GMC Sierra 2500HD came with a factory installed 7-Way originally then you can use 7- and 4-Way connector # 30955 which comes with a mounting bracket. It doesn't fit directly in the same place as the factory connector but it does plug into the factory harness under the truck. I have linked a video showing an example installation for you.
If your truck has the factory spot in the bumper for a connector and the factory tow package then you can use # PK11916. I have linked a...
view full answer... - 4-Way and 7-Way Trailer Connector for 2010 GMC Acadia
- I have a solution for you, and you will not need to cut into any wires.
If you do not have a factory tow package on your 2010 GMC Acadia, you will first need to install a 4-way wiring harness. I recommend the Tow Ready T-One Vehicle Wiring Harness # 118451. This wiring harness will plug directly into the back of your taillights, into your vehicle's current wiring system. I have attached an installation video of this harness on a 2011 GMC Acadia.
The wiring harness has a 4-way flat...
view full answer... - Parts Needed to Install a 7-Way Trailer Connector on a 2003 Chevy Tahoe
- For your 2003 Chevy Tahoe, you will need the Replacement Multi-Tow 7-Way and 4-Way Trailer Connector, # 30955. I have included a link to a video showing a typical installation for you.
If the trailer has a 7-Way connector, it probably has electric brakes. If you do not already have one, I recommend a brake controller. The most popular controller and wiring harness for your Tahoe is the Tekonsha P2, # 90885 and wiring harness # 3015-P.
I have included a link to the installation details...
view full answer... - What is Needed to Install Curt Venturer Brake Controller in 2007 GMC Sierra New Body?
- If you have the factory 7-way on your 2007 GMC Sierra New Body you can install the Curt Venturer Trailer Brake Controller # C51110 with just the Universal Wiring Adapter for Curt Trailer Brake Controllers # C51515.
Should your truck not have a factory 7-way you will still need the adapter, but you will also need to add Connector # PK11898 or, if your Sierra has a round plug with a cap instead of a bundle of wires above the spare tire, use part # 30955 instead. There is going to be a...
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