7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End
Item # HM40975
Retail:$59.91
Our Price: $36.62
You Save: 39%
Confirmed to Fit
2012 Ford Explorer
with factory Tow Package
Will this fit?
To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Orders above $99 qualify for Free Shipping
In Stock
Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.
Error submitting comment. Please try again momentarily.
- All Info
- Reviews (2365)
- Q & A (0)
- Photos
2012 Ford Explorer - 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End
- 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 Chevrolet Silverado'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 - Chevrolet Silverado End
Installation Details
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 (2362 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.
by: 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.
Jenny N.
6/30/2023
Oh! It is definitely not how we want the bracket to arrive to you. I will have our Customer Service team reach out.
by: Thomas 05/20/2024
This company is an absolute pleasure to work with. Item was delivered fast and exactly as described. This is the second item I’ve bout from etrailer the first being a 9000lb rated hitch. Will order again from these folks when if I need stuff for my truck.
by: James 02/28/2023
2021 Chevrolet Silverado 1500
Easy installation and very helpful installation video.
James
3/8/2024
One year later and no issues
by: 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: ChrisP05/05/2024
This connector and bracket is a great product giving both 7 pin and 4 pin connections. I was able to reverse the bracket (making new holes) to allow it to fit behind the bumper cover piece that hides the hitch when not in use. The only drawback is that a wiring harness that fits the round 7 pin to the Buick Enclave rectangle plug is not available as a separate purchase. Had to buy an additional 7 pin outlet that came with the correct plug assembly and use that for my combo plug.
by: William 05/06/2024
took longer to remove the factory cover than to instal the connector. worked as advertised. I would buy this again if ever needed
by: 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!
Ali
1/7/2024
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
by: 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: Russell 05/21/2024
Plug and play baby! 2 minute install. Finally an easy fix to something!
by: 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!
Ron P.
3/19/2015
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.
by: Dennis 02/08/2024
2010 Ford Van
This dual connector adds a professional looking touch to our tow wiring installation
by: 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: Bert 03/28/2024
The self tapping screws that come with the mount are junk,
The product is Good.
by: 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.
Matt W.
7/7/2019
This product has been working well for the past year. I feel this was a smart purchase.
by: Lonnie04/08/2024
Great product, it was just what I was needing to complete my project.
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.
Doug
11/3/2023
Works fine- no issues.
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!
Rob
9/22/2019
Good installation approach for q7’s. Keeps water from collecting in wiring junctions.
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.
Jenny N.
7/19/2023
I am sorry that this has been a frustrating experience, however I do have an answer for you. The Hopkins connector part # HM40975 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 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 to install it on your hitch.
by: Steven 04/21/2024
2022 Nissan Titan
Came in on time. The parts were in good shape and fit perfectly.
by: Bill04/07/2024
2020 Chevrolet Silverado 1500
Another easy installation old one out doing in 15 minutes
by: Warren 04/25/2023
2005 GMC Sierra
Fast shipping. Nice quality product
Warren
4/26/2024
Products still working great.
by: 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: Michael 04/30/2024
2021 Ram 2500
Plug and play item,worked great
25
2363
Show More Reviews
See what our Experts say about this Hopkins Custom Fit Vehicle Wiring
- Troubleshooting Factory 7-Way Trailer Connection on 2016 Ford Transit T350Because you know that your trailer cable was damaged, you will want to check each fuse that has to do with towing. You will want to check F4, F9, F12, F31, F43 as you stated, F45. Also relay F3, R8. After confirming these are good, you will want to use a circuit tester like # PTW2993 to test each function at the round factory harness just behind the connector. If you confirm the functions all work as intended behind the connector, then simply use # HM40975 or # C55774. If the factory...
view full answer... - Will the Curt Hitch 13333 Fit a 2021 Ram 1500 ClassicYes, the Curt Trailer Hitch Receiver part # 13333 is a confirmed bolt-on fit for a 2021 Ram 1500 Classic. If you'll be towing I'd also pick up the 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket part # HM40975. This will be all that's is needed besides a ball mount and hitch ball. I have attached our selection of these below.
view full answer... - Why Won't 7-Way Connector on Trailer Fit Factory 7-Way on My New GM TruckThis is an interesting (frustrating) issue we've recently discovered with a lot of the new GM trucks, specific to the Bargman 7-Way # 54006-059 you mentioned. I can at least assure you that you're not doing anything wrong. The problem is with the "fins" present on the factory 7-Way for these new models, which prevents the Bargman 7-Way from properly seating into the connector. There isn't really a fix for this beyond either replacing the factory 7-Way on the truck or getting a different...
view full answer... - Why Won't 7-Way Connector on Trailer Fit Factory 7-Way on My New SilveradoThis is an interesting (extremely frustrating) issue we've recently discovered with a lot of the new GM trucks, specific to the Bargman 7-Ways like the part # 54006-057 you mentioned having. I can at least assure you that you're not doing anything wrong. The problem is with the molded "fins" present on the factory 7-Way for these new models, which prevents the Bargman 7-Way from properly seating into the connector. There isn't really a fix for this beyond either replacing the factory 7-Way...
view full answer... - Connecting Horse Trailer with 7-Way Connector to Isuzu Double CabThe best way to determine the function of each wire is to apply 12 Volts to each and see which function each circuit activates. Typically, the blue wire carries the brake output, the brown carries the running lights, and the yellow wire is for the left directional/brake light. Of the two remaining wires one would carry the right directional/brake light signal, and the other is probably the ground. If this trailer has electric brakes, you will need a brake controller to actuate them. I...
view full answer... - Recommended Trailer Connector for 2020 Ford F-350 Cab and ChassisI don't have much information on Cab and Chassis models but so long as they have the standard US Car Connector then you can use something like the 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket part # HM40975 for use at the bumper or the Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector for Aluminum Beds - 7' Long # C57008 if you need to install it somewhere else.
view full answer... - How To Install a 7-Way Trailer Connector In the Bumper Cutout for a 2020 Toyota TacomaThe only trailer wiring harness options we offer for a 2020 Toyota Tacoma are those that plug-in behind the tail lights, the Curt T-Connector Vehicle Wiring Harness part # C56349 for a 4-way or part # 22117 for a 7-way. In order to use the cutout in the bumper you'd have to go with the 7-way and purchase the 7- and 4-Pole Trailer Connector Socket part # HM40975 separately.
view full answer... - 7 And 4 Pin Connector For A 2006 Nissan FrontierIn order to have both a 4 pin and a 7 pin connector on your vehicle I recommend using the Replacement Wiring Harness for Tow Ready Nissan Vehicle Wiring Harness Item # 118267. Instead of using the 7 pin connector that comes with this harness you can connect the 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End Item # HM40975 and have the option to use both in one plug. The Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector Item # C56225 and...
view full answer... - 4-Pole/7-Way Trailer Connector That Allows Both Connectors To Be Used SimultaneouslyWe've got exactly what you're looking for. Simply unplug the tow package harness from where it plugs into the rear of your existing 7-way (which likely looks like the # HM40975 ), and swap your 7-way for part # C55774. This will provide a 7-way and a 4-pole which can be used simultaneously. Or, you can also install a dedicated 7-way in the truck bed using something like # C56000 I've linked to some typical installation videos for you.
view full answer... - 7-Way Trailer Connector Replacement Recommendation for a 2007 Toyota TundraThe replacement 7-way you would want for your 2007 Toyota Tundra is the Hopkins Trailer 7-Way part # HM11143395. This comes with connectors that will match what you have on your vehicle. I attached an install video for you to check out as well.
view full answer... - Is Pigtail of 22117 Compatible with Hopkins 7- and 4-Way ConnectorThe two have never been tested together and are from different manufacturers, so with that said, from what I can see it looks like the Tekonsha OEM Replacement Vehicle Wiring Harness with Brake Controller Adapter # 22117 is compatible with the 7- and 4-Pole Trailer Connector Socket # HM40975. Both 7-way on the Tekonsha has a US Car Connector which means it will plug into the Hopkins connector. I do want to note part # 22117 is compatible with certain model year Toyota Tacomas, which the...
view full answer... - Replacement 7-Way For 2019 Toyota 4RunnerThanks for the photos, and we have the 7-way for your 2019 Toyota 4Runner, but the harness you show in the photo is the OEM tow package harness, which is something that you'll have to get from Toyota or a Toyota parts dealer. For the 7-way, this is what you'll need: - 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket # HM40975 The # HM40975 only comes with the mounting bracket, but you don't have to use it, you can simply use the plug.
view full answer...
- Replacement 7-Way Connector for my 2016 Chevrolet Silverado 1500I really like the Hopkins 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket part # HM40975. This will fit directly into the existing factory connector hole and not only gives you a 7-way but also a 4-way connector to use. Check out the linked video.
view full answer... - Hitch and 4-Pole/7-Way Wiring Kit for 2016 Nissan Frontier Pro4xCurt 2-inch Class III hitch # 13241 is a confirmed fit on your 2016 Nissan Frontier Pro4x and installs easily as shown in the linked video. Written instructions are linked too and these tell you the tools needed and provide detailed information on bolting this on to your truck. To have wiring with both 4-pole and 7-way connectors you can use kit # 118266 for the relays and harness and simply substitute connector # HM40975 for the 7-way-only that is included in the relay kit. This includes...
view full answer... - Will the Hopkins Smart Hitch Backup Camera System Work on a 2004 Ford F-250 with Hopkins 7-Way Plug The Hopkins Smart Hitch Backup Camera and Hitch Aligner System # HM50002 is compatible with the 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End # HM40975 on your 2004 Ford F-250. The wiring harness for the camera system is 19 feet 7 inches long.
view full answer... - Troubleshooting Trailer That Locks Up Brakes When Plugged in to Tow VehicleThank you for clearly describing the trailer brake issue you're having. Since you checked your brake controller and found that the blue brake output wire has power only when you press the pedal this tends to suggest the problem with the brakes locking up as soon as you plug in the trailer is due to corrosion of the vehicle socket or trailer plug. What can happen inside a trailer socket or plug is that water (or another contaminant) can find its way into the interior of the connectors...
view full answer...
- Wiring For 7-Way Connector on 2004 Chevrolet Silverado 2500On your 2004 Chevrolet Silverado 2500 the factory wires should be light green, dark green, blue, yellow, red, brown, and black. The functions of those wires should be as follows: light green - reverse lights dark green - right turn/brake blue - electric trailer brakes yellow - left turn/brake red - 12-volt power brown - running lights black - ground I would also recommend testing the functions of your wires with a circuit tester, part # PTW2993, to verify the function of the wires on...
view full answer... - Relocating 4/7-Pole Connector On 2019 Toyota 4Runner Tow Package To Be More Easily AccessibleI have seen several people use the Mounting Bracket # HM40978 to relocate the 7- and 4-Pole Trailer Connector Socket # HM40975 on their 2019 Toyota 4Runner to a more easily accessible location. I have linked a image below showing where they remounted the trailer connector on their 4Runner.
view full answer...
- Does HM40975 Trailer Connector Include Wiring HarnessThe Pollak 7- and 4-Pole Trailer Connector Socket with Mounting Bracket # HM40975 does not include the U.S. Car type connector that plugs into its rear since it is intended as a factory replacement part for a vehicle with the tow package. A connector and 4-foot pigtail harness is offered as a separate item, part # PK11998. For a typical RV set-up the following will be the wire color/function when using this harness: Color - circuit - wire gauge: Red - Left Turn and Stop - 14 gauge White...
view full answer... - How to Install a Curt Brake Controller in a 2006 Chevy Silverado 1500You have installed correctly all of the components you referenced. The # C51110, # C51352, and the # HM40975. The issue you are experiencing is that the tow package wiring under the hood of your truck hasn't been completed like you suspected. The blue wire will need to get run to the brake output circuit of the 7-way you installed. Since this circuit isn't connected to anything that means the 7-wires that are at the rear of your vehicle aren't all ran. You will need to run a length of...
view full answer... - 4-Pole/7-Way Trailer Wiring Setup for 2018 Nissan Titan Without Factory 7-WayHopkins 7-way/4-Pole Vehicle Connector kit # HM40975 consists of the 4-and-7-way connector, a mounting bracket and hardware. No relays are included since this kit is intended for use on vehicles equipped with a factory 7-way tow package. The similar kit # N40975 includes relays. On a Titan without any factory wiring you can add trailer harness (that is completely independent of any included or missing factory components) by installing 4-pole powered harness kit # C59496 which plugs in...
view full answer... - Troubleshooting Black Wire on Trailer Brake Controller that Only Gets Power with Brake PedalThe black wire coming from your brake controller should be ran to the positive post of the truck's battery. This is what actually powers the controller and the wire, if hooked up properly, should always have power. The fact that it's only receiving power when the brake pedal is depressed can really only mean that it's been attached to the wrong circuit and not the battery. I simply recommend tracing the wiring from the controller to make sure all the correct connections have been made....
view full answer... - Which Trailer Wiring Do I need For a 2005 Jeep Grand Cherokee LimitedIf the Jeep does not have a tow package, I recommend Curt T-Connector part # C55451 because it can handle 1 more amp per circuit than the other trailer wiring options for your Jeep. The more amps per circuit the better especially if you are towing a trailer with a lot of lights. If the Jeep does have a tow package, I recommend Hopkins part # HM40975 7-way plug to plug into the factory port at the rear of the Jeep. This is the best option if you have the tow package because it simply plugs...
view full answer... - Recommended 7-Way Wiring for 2017 Ford ExplorerFor your 7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket - Vehicle End # HM40975 if you like the double function and look, you can keep it. You will need to get the T-One Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector # 118272 and that wiring can connect to the 7-way connection that comes with it or it can connect to your # HM40975. This custom-fit T-One connector plugs into your Ford Explorer's factory tow package wiring harness, which is located...
view full answer...
Do you have a question about this Custom Fit Vehicle Wiring?
Info for this part was:
Test Fit:
Joe V
Test Fit:
Nicholas E
Test Fit:
Shane T
Test Fit:
Randy B
Test Fit:
Joe B
Test Fit:
Andrew S
Test Fit:
Brent H
Test Fit:
Shane H
Test Fit:
Robert C
Test Fit:
Conner L
Test Fit:
Jacob H
Test Fit:
Ryan G
Test Fit:
Adam E
Test Fit:
Matthew B
Expert Research:
Mike L
Expert Research:
Sarah L
Expert Research:
Robert G
Expert Research:
Patrick B
Expert Research:
Michael H
Expert Research:
Jeff D
Expert Research:
Reno H
Expert Research:
Jameson C
Expert Research:
John H
Expert Research:
Adam R
Expert Research:
Lori W
Expert Research:
Jeffrey L
Video Edited:
Zack K
Video Edited:
Joshua S
Video Edited:
Jacob T
Video Edited:
Andrew L
Video Edited:
Kathleen M
Video Edited:
Dustin K
Video Edited:
Chris R
Video Edited:
John S
Video by:
Andrew K
Video by:
Alan C
Video by:
Zach D
Video by:
Jonathan Y
Video by:
David F
Video by:
Aidan B
Video by:
Thomas T
Written by:
Tyler C
Updated by:
Adele M
Updated by:
Wilson B
Updated by:
Alexander C
Installed by:
Cole B
At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Katrina D.
8/3/2023
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.