7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End
(2350 reviews)
Price: $32.39
In Stock
7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End
Item # HM40975
Retail:$56.35
Our Price: $32.39
You Save: 43%
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Hopkins Custom Fit Vehicle Wiring - HM40975
- Custom Fit
- Trailer Hitch Wiring
- 7 Round - Blade
- 4 Flat
- No Converter
- Hopkins
This 7- and 4-pole trailer connector eliminates the need for an adapter and allows you to tow a trailer with either a 7- or 4-pole plug. Socket connects to your vehicle's OEM wiring system and mounts with included bracket.
Features:
- 7- and 4-Pole trailer connector with mounting bracket
- Has high-impact, ABS plastic construction
- Stainless steel spring for easy cover operation
- Rubber gasket provides weather-resistant design
- Includes mounting bracket for easy, snap-in socket installation
- Black, epoxy-coated steel construction
- Mounts to bumper with included screws
Specs:
- Application:
- Replaces factory 7-way connector on Chevrolet, Ford, GMC and Nissan trucks and SUVs
- Can be used to add a connector to 2003 and newer GM pickups and SUVs
- Bracket dimensions: 4-3/4" long x 3-1/16" tall x 1-3/4" deep
- Distance between mounting holes (center to center): 2-3/8"
- 1-Year limited warranty
Note: Only one connector - a 4-way or a 7-way - can be used at a time because the covers on this socket will not open far enough to allow use of both plugs at the same time.
Similar to 11775, PK11893
40975 Hopkins 7- and 4-Way Trailer Connector Socket with Mounting Bracket - Vehicle End
Installation Details
This Product Fits The Following Vehicles
- 2019 - 2024 Ram 1500 with Class III tow bumper
- 2010 - 2024 Ram 1500 with factory 7-Way
- 2019 - 2024 Ram 1500 with factory hitch
- 2019 - 2024 Ram 1500 without factory hitch
- 2019 - 2024 Ram 1500 Classic with factory 7-Way
- 2010 - 2024 Ram 2500 with factory 7-Way
- 2010 - 2024 Ram 3500 Cab and Chassis
- 2010 - 2024 Ram 3500 with factory 7-Way
- 2010 - 2024 Ram 4500
- 2010 - 2024 Ram 4500 with factory 7-Way
- 2011 - 2024 Toyota 4Runner with factory 7-Way
- 2010 - 2024 Ram 5500
- 2010 - 2024 Ram 5500 with factory 7-Way
- 2005 - 2010 Saab 9-7X with factory 7-Way
- 2013 - 2023 GMC Acadia
- 2007 - 2012 GMC Acadia with factory Tow Package
- 2017 - 2017 GMC Acadia Limited
- 2005 - 2020 Nissan Armada with factory 7-Way
- 2004 - 2008 Isuzu Ascender with factory 7-Way
- 2007 - 2009 Chrysler Aspen with factory 7-Way
- 2002 - 2006 Chevrolet Avalanche
- 2002 - 2013 Chevrolet Avalanche with factory 7-Way
- 2003 - 2005 Lincoln Aviator with factory 7-Way
- 2009 - 2009 Kia Borrego with factory 7-Way
- 2002 - 2004 Oldsmobile Bravada with factory 7-Way
- 2008 - 2009 Sterling Bullet with factory 7-Way
- 2008 - 2024 GMC Canyon with factory 7-Way
- 2013 - 2014 Porsche Cayenne with factory 7-Way
- 2014 - 2018 Jeep Cherokee with factory Tow Package
- 2008 - 2024 Chevrolet Colorado with factory 7-Way See All Vehicle Fits
California residents: click here
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
- Wrong item was ordered
- Product did not meet expectations
- etrailer mistake
Customer Reviews
7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End - HM40975
Average Customer Rating: 4.8 out of 5 stars (2348 Customer Reviews)
This 7- and 4-pole trailer connector eliminates the need for an adapter and allows you to tow a trailer with either a 7- or 4-pole plug. Socket connects to your vehicle's OEM wiring system and mounts with included bracket.by: Michael07/12/2023
The box arrived opened and damaged. My wiring harness was missing. When I called to tell them my wiring harness was missing they told me that it was shipping separately but could not tell me when it would arrive. I later got an email telling me all of my items were delivered and asked me to leave a review. I still don't have my wiring harness and will not have the hitch installed by this weekend like needed because I don't know if I am ever getting my wiring harness.not to mention the box had no padding around the hitch so it's all scratched up.
Comments
I am sorry to hear that your order arrived in this condition. I see that our customer service department is currently working on a solution for you.
-- 
Katrina D - 08/03/2023by: 2006 Silverado 2500HD08/03/2023
Worked exactly how described, great replacement for my risty only bracket and 7 pin connector. Fits my 2006 Chevy Silverado 2500HD perfect, plug and play. Bought specifically because the bracket is included. And with both 4 and 7 pin connectors, I don't have to use an adapter anymore!
by: Jason06/24/2023
I am not sure how this bracket passed quality control. It sure is a good thing I'm not planning on using it. Really disappointing to see how quality is overlooked during the packaging process. This should have never left in this condition.
Comments
Oh! It is definitely not how we want the bracket to arrive to you. I will have our Customer Service team reach out.
-- Jenny N - 06/30/2023by: Jim04/17/2024
It was easy to install and took care of the issue I had of one of the trailer light segments not working.
by: James 02/28/2023
2021 Chevrolet Silverado 1500
Easy installation and very helpful installation video.
Comments
One year later and no issues
James - 03/08/2024by: Ali 12/30/2022
This thing couldn't be better. Easy mounting. Plug and play. I can now connect any trailer I want. Love it, love it, love it!
Comments
This was a major upgrade for me at the time. A year later, Ive hauled massive loads across the country, and this connector harness works perfectly every time
Ali - 01/07/2024by: Brad 04/11/2024
I bought this because I needed the bracket and it was the quickest way to get it they do not stock the bracket alone. We where installing tommy lifts and needed t move the original connector which was installed on the bumper.
by: Mike07/15/2023
7 and 4-Pole Trailer Connector Socket does not fit my towing vehicle.
Today I just received my etrailer order #114979486, that consisted of: Curt T-Connector Vehicle Wiring Harness with 7-Way Trailer Connector (ITEM # C56431) and 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End (ITEM # HM40975) for my 2020 Ford Ranger. I easily installed the harness, but the Trailer Connector Socket does not seem to fit on the rear bumper, next to the license plate.
Last week, I chatted with etrailer customer support rep and I was assured that the connector Socket (ITEM # HM40975) would fit on my 2020 Ford Ranger.
This etrailer customer support representative referenced a previous Q&A Topic titled, "Can the HM40975 be used on a 2021 Ford Ranger". I was also assured that 2020 and 2021 Rangers have identically constructed rear bumpers.
Today, I spoke with a different etrailer customer support representative. This rep told me 7-Way Trailer Connector (ITEM # C56431) was not compatible with the 2020 Ford Ranger recommend reaching out to the manufacturer directly for more information.
I'm very frustrated!!!! Can I please get a solution to this issue ASAP.
Comments
I am sorry that this has been a frustrating experience, however I do have an answer for you. The Hopkins connector part # HM40975
7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End
$32.39 is technically not a fit on its own for a 2020 Ford Ranger. The short reason why is that the Ford Rangers do not have the round US Carr type of connector to plug into. Now by adding the Curt harness part # C56431
Curt T-Connector Vehicle Wiring Harness with 7-Way Trailer Connector
$57.66 like you did, does make that round connector that you can plug into the back of the Hopkins connector that will give you the 7 and 4 way you want. Since it is using two different manufacturer products together, I do encourage you to test the 4 and 7 way to make sure all the signals are working correctly. In theory they work together, however they are not tested. The issue is going to be that the bracket that comes with the Hopkins connector is not going to match with anything on the Ford Ranger to connect to. It would just be bolted to the bumper or you could also consider using part # C57202
Curt No-Drill Bracket for 6-Way or 7-Way Round Trailer Connector Mounting Bracket - Long
$22.07 to install it on your hitch.
-- 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End
$32.39 is technically not a fit on its own for a 2020 Ford Ranger. The short reason why is that the Ford Rangers do not have the round US Carr type of connector to plug into. Now by adding the Curt harness part # C56431
Curt T-Connector Vehicle Wiring Harness with 7-Way Trailer Connector
$57.66 like you did, does make that round connector that you can plug into the back of the Hopkins connector that will give you the 7 and 4 way you want. Since it is using two different manufacturer products together, I do encourage you to test the 4 and 7 way to make sure all the signals are working correctly. In theory they work together, however they are not tested. The issue is going to be that the bracket that comes with the Hopkins connector is not going to match with anything on the Ford Ranger to connect to. It would just be bolted to the bumper or you could also consider using part # C57202
Curt No-Drill Bracket for 6-Way or 7-Way Round Trailer Connector Mounting Bracket - Long
$22.07 to install it on your hitch.
Jenny N - 07/19/2023by: Ron P03/17/2014
2014 Chevrolet Silverado
Here's some snaps of my Hopkins #40975 installation. I can confirm that it's an identical replacement for the 2014 Silverado 1500 trailer-light blank insert, no bracket required. It took me 30 seconds to plug the Silverado's OEM 7-pin round connector (located inside the blank insert) into the #40975 Wiring Kit and snap it into the cutout. Then I tested the flat 4-pin outlet of the #40975 with a 5 dollar 4-pin LED tester from West Marine, and all light functions tested good. Shweet! To remove the OEM blank plug, it helps to reach behind it and pinch the two spring clips holding it in place... same with the #40975 if it needs to be removed for some reason. When I ordered the part from eTrailer, your site had a comment, "This will not fit your vehicle. See below for compatible parts," or words to that effect. Maybe take a look at that and remove the comment, as the #40975 is an exact fit for 2014 Silverado 1500, no bracket needed. Thanks, eTrailer team!
Comments
Although I havent towed since installing the Hopkins Pollak wiring kit since I installed it a year ago, I have tested the 4-pin connector for proper function using a 4-pin LED tester from West Marine and it checks out okay. Recently I inspected the kit for water intrusion mentioned by one of the raters, and I found no evidence of moisture inside the dual-connector compartment. On installation, I did make liberal use of the dielectric grease that accompanies the kit. Good product, easy installation, and great price.
Ron P - 03/19/2015by: Matt W07/07/2018
2017 Nissan Pathfinder
It came with it's own bracket, which is a plus. It was compatible with etrailer.com's part number C56357, which is also a plus. The self tapping screws being the only hardware coming with the item was a disappointment. I just installed etrailer.com's part number 76301 hitch receiver which has a mounting plate for brackets like this. The self tapping screws, which might have been effective, wouldn't have looked "professional." After finding some hardware which worked, it went on smoothly and fits well with the rest of the assembly.
Comments
This product has been working well for the past year. I feel this was a smart purchase.
Matt W - 07/07/2019by: Mark 03/20/2024
2018 Chevrolet Silverado 1500
Item received as described. It was simply plug and play. Out with the old, and the new was an exact replacement. Very satisfied.
by: Dennis 02/08/2024
2010 Ford Van
This dual connector adds a professional looking touch to our tow wiring installation
by: Rob09/22/2018
2015 Audi Q7
Scratched my head for a while, trying to find a quality way to connect this vehicle end 4/7 wire socket to my trailer ready (almost) 2015 Audi Q7. Finally decided that it really didn’t need to be bolted, but could be hose clamped to the existing heavy duty Audi bracket.
Mounted it sideways with a 1” diameter and a 3” diameter hose clamp. Be sure to use a 3” clamp with lots of serrations that all it to tighten it down a lot.
You’ll need to drill out the small hole of the supplied bracket to allow a clamp to fit through it. The other hole is a slot, and works unaltered. Small clamp on bottom, large clamp on top.
You’ll also need to relieve a small spot on the trim piece to make room for the 4-wire door to o-en freely. This is marked as red on one of the pictures.
Looks good and should work good!
Comments
Good installation approach for q7’s. Keeps water from collecting in wiring junctions.
Rob - 09/22/2019by: Bert 03/28/2024
The self tapping screws that come with the mount are junk,
The product is Good.
by: Lonnie04/08/2024
Great product, it was just what I was needing to complete my project.
by: Steven 04/21/2024
2022 Nissan Titan
Came in on time. The parts were in good shape and fit perfectly.
by: Doug 11/02/2022
Fit and works fine. My old one was just the 4 plug so now I don’t have to use the adapter for 7 prong anymore.
Comments
Works fine- no issues.
Doug - 11/03/2023by: Guy05/22/2022
2003 GMC Sierra
Top quality trailer connector that fir original wiring harness perfectly.
Installed in under 15 minutes.
Comments
Works great and looks great. Get compliments on the hitch.
-- comment by: John C - 07/26/2022by: RT12/13/2023
A very good option to cut down on rattle. This is a durable product that is fairly simple to install. My only complaint is the magnet to keep cover closed when not towing should be stronger. I am happy with the purchase and it looks like it will be useable for years.
by: James 08/07/2023
This was a drop-in. Literally unplug the wiring harness off the blank, pop out the blank, pop in the new connector assembly then plug the wiring harness back into the connector. Honestly took less than 4-minutes. Awesome product. My local hitch install company wanted $150 just for the install of the connector.
by: Warren 04/25/2023
2005 GMC Sierra
Fast shipping. Nice quality product
Comments
Products still working great.
Warren - 04/26/2024by: 1957okie04/03/2014
Great product at a great price. It was an exact fit and looks great. I like having the ability to plug in my 7-prong plug on my travel trailer or the 4-pin plug on my boat, without needing an adaptor. Got super fast shipping too. Buying from etrailer.com was a win- win-win.
Comments
What year is your silverado
-- comment by: Bob R - 05/31/2014Its a 2014 Silverado 1500 Double Cab
-- comment by: Randy S - 06/06/2014by: Gary10/01/2023
2005 Chevrolet Silverado
Super fast shipping easy installation looks better than factory plug love the 7way and 4 way so no more dealing with adapters
by: Russell09/13/2019
nice looking product, haven't plugged into it yet to know of the electrical part, caution about the install, make sure you have about 5" clear directly behind the install location of your bracket to allow room for the connector and to attach your vehicle plug, see photo, I had wanted to mount this on the bottom of my bumper, but not enough clearance
Comments
A no-drill mounting bracket like # C57202
Curt No-Drill Bracket for 6-Way or 7-Way Round Trailer Connector Mounting Bracket - Long
$22.07 is a great way to give clearance needed to mount the wiring connector higher up on the hitch.
-- Curt No-Drill Bracket for 6-Way or 7-Way Round Trailer Connector Mounting Bracket - Long
$22.07 is a great way to give clearance needed to mount the wiring connector higher up on the hitch.
Victoria B - 09/23/2019
Helpful Linkby: Walt 06/29/2023
Toyota Highlander
I’ve had a great experience with the etrailer company. I fully equipped my 2022 Toyota Highlander which did not come with the factory tow package. I bought the receiver hitch, the wiring harness kit, a brake controller plus this special 7x4 pole connector, which did not come with the wiring harness, which only had.7 pole. I also bought a special bracket to mount the connector where it needed to go. Their service was great. Unfortunately they did not carry the Anderson weight distribution chain type hitch that I purchased from Anderson. They are a well run, customer focused Company that I highly recommend
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Show More Reviews
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view full answer... - Will the e98860 and HM40975 fit a 2014 GMC Sierra 1500The etrailer Trailer Hitch Receiver # e98860 is a confirmed fit for all 2014 GMC Sierra 1500 models. The 7- and 4-Pole Trailer Connector Socket # HM40975 is also confirmed to fit the 2014 Sierra 1500 with factory 7-way. You must have a factory 7-way for this to work. The installation of the # HM40975 does not require any splicing of wires. The connector plugs in to the factory wiring harness. If your truck did not come with a factory connector you will need that as well. The # C59236...
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