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  1. Custom Fit Vehicle Wiring
  2. GMC
  3. Sierra 2500
  4. 2023
  5. Hopkins
THIS ITEM IS NOT A FIT FOR
2023 GMC Sierra 2500

Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole and 4-Pole Connector

Item # HM54FR
Our Price: $116.57
Custom Fit Vehicle Wiring
Not Confirmed to Fit

2023 GMC Sierra 2500

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Hopkins custom fit vehicle wiring for your 2023 GMC Sierra 2500 are available from etrailer.com. Installation instructions and reviews for your GMC custom fit vehicle wiring. Expert service, and great custom fit vehicle wiring prices. etrailer.com carries a complete line of Hopkins products. Order your Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole and 4-Pole Connector part number HM54FR online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (207)
  • Q & A (0)
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GMC Sierra 2500 - Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole and 4-Pole Connector

  • Custom Fit
  • 7 Round - Blade
  • Fifth Wheel and Gooseneck Wiring
  • Hopkins
  • 6 Feet Long

Get a 7-way, RV-style connector in your truck bed for easy hookup of your fifth-wheel or gooseneck trailer. 90-Degree harness plugs in-line with factory wiring and retains use of your 7-pole connection. Connector also provides a 4-way flat socket.


Features:

  • 7-way, blade-style connector installs in your truck bed for hassle-free hookup of 5th-wheel and gooseneck trailers
    • Connector fits into the factory cutout in your truck bed
  • Simple installation - no cutting or splicing required
    • Plug the T-connector in between the OEM wiring harness and your vehicle's factory-installed 7-way connector
    • Run the 6' long wiring harness from the rear bumper into your truck bed
  • Enhanced weatherproofing with internal seals, corrosion-resistant terminals and rubber-coated copper wiring
  • Socket provides 7-way and 4-way connectors
    • Socket made of durable ABS plastic
  • Includes dielectric grease packet and nylon ties for installation


Specs:

  • Harness length: 6'
  • Wire gauges:
    • Purple/green/yellow/brown: 16
    • Blue/red/white: 12
  • Warranty:
    • Wiring harness: 3-year limited warranty
    • Connector: 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.



40975 Hopkins 7- & 4-Pole Connector

41158 Hopkins Endurance 5W/Gooseneck Wiring Harness - 7W RV - 6'



Customer Satisfaction Score:


Customer Reviews

Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole and 4-Pole Connector - HM54FR

Average Customer Rating:  4.8 out of 5 stars   (207 Customer Reviews)

Get a 7-way, RV-style connector in your truck bed for easy hookup of your fifth-wheel or gooseneck trailer. 90-Degree harness plugs in-line with factory wiring and retains use of your 7-pole connection. Connector also provides a 4-way flat socket.

by:

It does the job. I do find that the trailer light pigtail does not connect great. Sometimes it doesn't make a good firm connection and I have to fuss with it to get the trailer lights on.



by:
2024 Chevrolet Silverado 3500

Easy install. No instructions, but it's plug and play and everything is self explanatory.



by:

Item arrived on time. The online install video was very helpful and made the actual install very easy. The only challenge was figuring out where to zip tie the cord.



by:

Easy installation as promised



by:

This wiring harness has worked very good on my truck



by:

My new truck came with gooseneck towing package except the harness inside the bed. I ordered the Hopkins prewired trailering harness from etrailer. After seeing the instructional video I attempted to do myself. I discovered it was easy as advertised. The connectors stubbornly unclipped and clipped but all worked. I found the wiring length was well protected and the perfect length. I did notice on the 2020 Silverado had extra wiring so that the clip on the bumper did not need switching out. I also discovered I did not need to remove spare as the access of the wiring behind bumper was plenty. I stuck with the video instructions. Tested perfect and done. What I liked about the product was that it fit and matched the other factory components. Literally no tools required except to cut zip ties.



by:

Still working no problems



by:

This was easy to install and works grea t.



by:

Worked Excellent. Easy install. No longer need to run the cord over the tailgate, stays in the bed when connected to gooseneck hitch.

Don

4/28/2023

No issues after a year. Still working great. Will purchase again when needed.



by:
GMC Sierra

Fit in the factory location of my 2022 GMC Sierra pickup bed without modification. Easy installation and has been working fine ever since.



by:

Perfect fit and very easy



by:

Unfortunately it was not the right product for my 2022 gmc 3500hd. It did not fit the box factory cut out as in the video. It does work but not the product displayed in the videos.

Etrailer Expert

Jenny N.

5/23/2023

It is unusual to hear that it did not fit into the factory cut out on your 2022 GM Sierra 3500. Would you be able to send a picture of how it fit in your truck bed.

David

5/24/2023

Here are a few of the pictures. It is my guess they probably just sent me the wrong piece.

Etrailer Expert

Jenny N.

5/24/2023

The pictures really help and I am now closer to what may have happened. Did you receive part # HM40975 with this wiring kit?

David

5/24/2023

No, I did not.

Etrailer Expert

Jenny N.

5/24/2023

Yes, this makes more sense. The harness should have come with it and it is that connector that would fit into the cut out in the bed. I am asking our Customer Service team to review and reach out to you.



by:

Great product



by:
2022 Chevrolet Silverado 2500

The lead is like 5 feet too long to go in the factory location for the plug



by:
2020 Chevrolet Silverado 2500

Fast check out,fast delivery



by:

Perfect excellent transaction great product AAA+



by:

I am extremely happy with the purchase. Very durable harness and easy to install.



by:

etrailer customer service is incredible- I’ve been doing business with them for years - they always come through! Special shout out to Eric!



by:

Easy 15 minute plug and play install in our 2022 Chevrolet Silverado 3500 LT and it works great!



by:
2021 GMCSierra 2500

The item itself is great. Plug and play, easy and quick install. The problem I had was etrailer failed to include the 4/7-way plug adapter that pops directly in the factory bed cutout (it is a separately packaged item included in this kit). I called them the next morning and they took care of getting it shipped out within the day. Problem is they shipped via usps and took almost one week to get to me. was looking forward to using it within that time frame, instead had to run the cable over my new truck’s tailgate… I believe that if a mistake is made it should be corrected as quickly as possible, not as cheaply as possible.



by:

Quick delivery and it worked for my tru ck.



by:

Easy installation



by:
2020 GMCSierra 2500

Came with no installation instructions had to go to YouTube for instructions, other than that everything was good.

Leroy

8/12/2022

Working as it should



by:

plug and play simple install and great support

Dennis

1/5/2023

working well no problems at all very easy install



by:
Chevrolet Silverado

Plug and play! Would never know it's not factory on my truck (2022 Silverado 3500.)


25
207
Show More Reviews

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Info for this part was:

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Expert Research:
Jameson C
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Video Edited:
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Video Edited:
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Video by:
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