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Zinc Plated Hex Flange Nut - M8

Zinc Plated Hex Flange Nut - M8

Item # 185917
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185917 - Hardware Fastenal Accessories and Parts
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Fastenal Accessories and Parts - 185917

  • Trailer Brake Controller
  • Hardware
  • Fastenal


  • Zinc Plated Hex Flange Nut - M8
  • Quantity: 1
  • Used on Chevrolet and GMC pickups to connect the factory-run 12 volt lead and trailer brake power lead to the posts in the fuse box under the hood

0185917 M8-1.25 Fastenal Zinc Plated Hex Flange Nut






Customer Reviews

Zinc Plated Hex Flange Nut - M8 - 185917

Average Customer Rating:  4.9 out of 5 stars   (55 Customer Reviews)


by:

The item that arrived did NOT fit the stud in my engine compartment for the factory wiring for brake controller on my 2013 GMC Yukon- the nut that arrived was about three times larger than needed- I called to report this, spoke with Ashley and there was no answer how to get the correct nut needed


Comments
I send your information to our customer service team and have them reach out to you about this.
-- Etrailer Expert Brooke M - 09/06/2022


by:

I ordered a trailer brakes controller and a couple of metric nuts, they were delivered on time and in good condition, now it’s time to install.




by:

Well, it's a nut. Not much that can go wrong. Used this on my GMT400 Yukon. (1996 Yukon) for the AUX post in the fuse box for installing my trailer brake controller and to get AUX power for the trailer plug.




by:

Delivery on time and in good condition




by:

Everything was easy to install thanks to the Etrailer video on Youtube. I got it all done in about 20 minutes and it all works great. I highly recommend this company.




by:

Part was shipped quickly.




by:

For only xx cents this saved me a trip to hardware store to hook up brake controller under hood 2008 Silverado




by:

Items arrived quickly. Installed in minutes. The videos available online are very helpful.




by:

I love this nut. It fit my 2013 Silverado like a glove! Thanks Etrailer!




by:

The most outstanding flange nut ever! It was great! Second only to the 6M flange nut I bought moments before.




by:

Worked great




by:

The most outstanding flange nut ever! It was great! Second to none!




by:

Great product easy to install good price .Called customer service with one question they were very helpful .




by:

Fit my 07 Chevy avalanche for finishing up installing brake control




by:

Fit perfect. Saved me a trip to the hardware store.




by:

Best price I found, very good quality, quick delivery. What's not to like?




by:

Fit my 2010 Silverado great.




by:

Fit perfectly without wasting time at the hardware store.




by:

Nice product and very happy with it. took a little time to to install but no problems with it.




by:

Have to power post on my truck and after installing my break controller I had a hard time finding a but that would fit. This worked out perfectly.




by:

Just as advertised and exactly what I n eeded.




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by:

Threaded right on to post on fuse box to hook up brake controller wire to when installed.



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See what our Experts say about this Fastenal Accessories and Parts



  • What Size Nuts Are Needed to Connect Wires Under Hood for Brake Controller Installation on GMC Yukon
    As it seems you already know, when installing a trailer brake controller on your 2007 GMC Yukon you will need to locate the two wires under the hood that need to be connected to fully activate the vehicle's tow package. One is the power wire to the brake control and the other is the battery charge line to the 7-Way connector. You will need to attach both of the wires to the threaded studs under the Gray handle at the front of the fuse box. To do this you will need one M6 x 1.0 nut like...
    view full answer...
  • 2014 Silverado Power Distribution Block Stud Size on Power Distribution Block
    The posts on the power distribution block of your 2014 Chevy Silverado 1500 are M6 like the part # 185916 and M8 like part # 185917. The M8 is for the 12 volt power supply and the m6 is for the brake controller power supply.
    view full answer...
  • Troubleshooting 7-Way Trailer Connector Does Not Have 12 Volt Power on a 2010 GMC Sierra
    The first thing you will want to check is the pin on the front of the 7-Way that is in the 11 oclock position using a circuit tester like \# 40376. If it is not showing a signal, then it could be that the 12 volt hot lead is not connected at the point under the hood. The wire you will need is red/black and has an eyelet connected to one end. It is coiled up under the master cylinder/brake booster assembly and must be connected to the under-hood fuse box. The battery charge wire will go...
    view full answer...
  • How to Get the 12 Volt Hot Wire to Work on a 2009 Chevy Suburban With 7-Pin Trailer Plug
    To activate the power connection at the trailer connector on your 2009 Chevrolet Suburban, you will need to locate the battery charge wire under the hood. This wire is located under the master cylinder brake booster assembly and is taped up. Once located connect the ring terminal to the smaller power stud at the front of the power distribution box under the hood, with an M6 nut, # 185916. I have linked a photo that shows the location of this wire and the attachment point for you. If you...
    view full answer...
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  • How to Get 12 Volt Power For Installation of a Prodigy Brake Controller on a 2011 GMC Yukon Denali
    The wiring to power the brake controller on your 2011 GMC Yukon Denali is under the hood on the driver side next to the fender well. Remove the cover for the power distribution box and you will find the wire taped to a harness between the fender well and power distribution box. We have an FAQ article that details this, see link, and I added a photo that I took of the wire locations on a GM pickup. You may also have to connect the 12 volt power wire for your 7-Way trailer connector. Our...
    view full answer...
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  • Locating the Brake Control and Battery Charge Wires on a 2007 GMC Yukon Denali
    The brake control wire you are looking for on your 2007 GMC Yukon Denali will be located between the fuse box and the driver side fender. It may be wrapped up in black electrical tape. Once you have located the wire you will need additional hardware to secure the wires to the studs. I have included links to the two nuts used to secure the wires to the studs. I have included an article and a video that shows the location of the brake control wire and the battery charge wire on your vehicle....
    view full answer...
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  • Which Nuts Needed to Complete Brake Controller Connections At Fuse Box on 2007 GMC Sierra New Body
    There are two threaded studs on the front of the power distribution box (closest to the front bumper) that will need to have the 12-V feed to the trailer connector and the power feed to the brake controller connected if they aren't already. As you've likely found, GM decided to save the $ 0.25 it would have cost them to supply the nuts needed to secure the wires to the studs. Both studs are different sizes, you'll need a M6-1.0 nut which we carry as part # 185916 and an M8-1.25 nut which...
    view full answer...
  • Troubleshooting No Power to Brake Controller 12 Volt Power Wire On a 2013 Chevrolet Avalanche
    There is one additional step that is required on your 2013 Chevrolet Avalanche that was not covered in the video with the 2012 Chevrolet Silverado. There is a red wire located just outside the engine compartment fuse box that needs to be attached to one of the front lugs inside the fuse box. You will need the M8 Nut # 185917 to complete this step. I have linked a video below for an installation we did on a similar Avalanche so you can see the additional step towards the end of the video....
    view full answer...
  • Installing the Prodigy P3 in a 2016 Chevy Silverado 2500 With Factory Brake Controller
    Your Prodigy P3 # 90195 cannot be installed in your 2016 Chevy Silverado 2500 with a wiring harness. I have linked a help article detailing exactly what you will need to do in order to use the P3 in your Silverado. You will need to find the blunt-cut wires under the instrument panel and above your left shin as you are seated in the driver's seat. They will be connected in the following manner: - GM Wire to Brake Control Wire Function - Red/Black to Black Battery Power - White to White...
    view full answer...
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  • Are There Connections Under the Hood of a 2008 Chevy Silverado For Brake Controller Install
    To install a brake controller like the part # 90195 in your 2007 Chevy Silverado there are a few connections under the hood of your truck that need to be made. There is one wire by the truck's fender that will need to get connected to the fuse box and there is another wire beneath the brake booster that needs to get run to the fuse box. Check out the help article I attached that details this process. For nuts you will need M8, # 185917 and the M6, # 185916. I also attached an install video.
    view full answer...
  • Nut Size Recommendation for Making Brake Controller Connection Under Hood of 2009 Cadillac Escalade
    You will need a M6 x 1.0 nut like part # 185916 and a M8 x 1.25 nut # 185917.
    view full answer...
  • Installing a Brake Controller in a 2008 Chevy Silverado with Factory Integrated Controller
    First, hop on I-70 east to Wentzville because that is where we are! And we have skills to spare when it comes to installing brake controllers. Installing the Voyager brake controller # 39510 will be easy on your 2008 Chevy Silverado, even with the factory integrated controller. First, locate the tow package wire bundle under the dash. It is located above your left shin if seated in the driver's seat. The wire bundle will have a white tag on it with the wire colors and functions. Make...
    view full answer...
  • What Is The Proper Direct Wire Harness For The Tekonsha Prodigy P3 On My 2013 Chevrolet Suburban?
    For your 2013 Chevrolet Suburban, there is not a direct wire harness for a brake controller. Your Tekonsha Prodigy P3, # 90195 will have to be hard wired. No plug is present under the dash, but the needed wires are already run. You will se a bundle of wires wrapped with a white tag to the left of the brake pedal. You will need to connect the brake controller to that vehicle wiring already present under the dash. You will also want the 6mm nut # 185916 and the 8mm nut # 185917. I've...
    view full answer...
  • Trailer Brake Controller Not Working on 2007 Chevrolet Suburban
    On your 2007 Chevrolet Suburban there are two wires under the hood that have to be connected to make the tow package functional, one is the power wire to the brake control and the other is the battery charge line to the 7 way connector. These wires are both Red/Black with eyelets on them. They are coiled up under the hood and will need to be connected to the under hood fuse box. One of the wires is located between the under hood fuse box and the left (driver) side fender. The other is...
    view full answer...
  • Is the Tekonsha Voyager Compatible witha 2009 GMC Yukon XL
    Brake controllers are not vehicle specific, and virtually any of them can be installed on any vehicle. The Tekonsha Voyager, part # 39510, can be used on your 2009 GMC Yukon, just make sure that you have it wired properly. If your Yukon came with a 7-Way from the factory, all you will need is the brake controller as the Yukon is pre-wired for it. You will follow the instructions on the article you were looking at. There should be a bundle of wires taped up behind the brake pedal. There...
    view full answer...
  • How to Wire a Tekonsha Prodigy Brake Controller to a 2008 Chevrolet Silverado 1500 LT
    Yes, there are two wires that would need to be connected to a couple of posts on your power distribution block in your engine bay. This is a fairly easy process, it may take some time to locate those wires. Fortunately, we have a How-To article written up on how to do this that I have linked below. I will run through the process quickly below and add a link to the article to help fill in any blanks and provide some pictures. Follow the instructions for the brake controller to mount it...
    view full answer...
  • Draw-Tite Brake Controller Part # 5504 Not Lighting Up After Wiring To 2010 Chevrolet Tahoe
    It sounds like the connections of your # 5504 that need to be made under the hood of the vehicle have not been made. There are two wires, both Red/Black with eyelets on the end. One wire is located between the fuse box and the driver side fender, the other wire is located under the brake master cylinder. Each wire has a different sized eyelet on the them and will connect to the studs at the front of the fuse box. You will need an M6 nut, part # 185916 and an M8 nut, part # 185917, to attach...
    view full answer...
  • Installation of Draw-Tite Time-Delayed Brake Controller on 2010 Chevy Silverado
    Installation of the Draw-Tite Time-Delayed Brake Controller, part # 5504 could not be simpler. Under the dash, above the emergency brake pedal you will find a bundle of wires with a white tag hanging on it. This is your tow package wiring. The brake controller will wire directly into this bundle of wires. The black wire on the controller will attach to the red and black striped tow package wire. The red controller wire attaches to the light blue and white striped tow package wire, the...
    view full answer...
  • Brake Controller Hot Wire Connection for a 2007 Chevrolet Suburban with Factory Wiring Under Dash
    On your 2007 Chevrolet Suburban, you will need to make a connection under the hood to activate the power wire for brake controller installation. We have an article that details where the factory wiring is and where to hook it up for you to review, see link. The brake controller power wire is located under the hood between the power distribution box and the fender, see photo at right. This wire has a ring terminal on the end of it, and needs to be connected to the smaller of the two 12...
    view full answer...
  • Brake Controller Wiring Instructions for a 2011 Chevrolet Silverado Z82
    The Z82 is a trailer towing package installed by GM the manufacturer of the 2011 Chevrolet, Silverado. If you are installing a brake controller on the 2011 Chevrolet, Silverado, and it does not have a factory integrated brake controller, you will only need a brake controller like the Tekonsha Prodigy, item # 90885, that you mentioned. We have a video, see link, that details this installation and shows where to find the wires that are needed to splice to the wires on the brake controller. If...
    view full answer...
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  • Finalizing Connections for the Electric Trailer Brake Controller on a 2010 Chevy Tahoe
    It is possible that you will need to make a few connections under the hood of your 2010 Chevy Tahoe in order to power some of the brake controller and 7-Way functions. Under the hood, remove the cover for the power distribution box, located on the drivers side. The ring terminal for brake controller power is located directly to the right of the power distribution box. It is taped to a wiring harness between the driver-side front fender and the power distribution box. Cut the tape to release...
    view full answer...
  • No 12 Volt Power At 7-Way on 2008 Chevrolet Silverado To Charge Trailer Breakaway Battery
    On a factory 7-Way connector the 12 volt hot wire should be the terminal at the 1 oclock position, looking at the front of the connector. If you test that terminal with a circuit tester and have no power you will want to check under the hood of your 2008 Chevrolet Silverado. You will want to locate the power distribution box on the drivers side of the engine bay. Remove the cover on the distribution box. There will be two post terminals at the front of the box. The right post terminal...
    view full answer...
  • Power Distribution Stud Nut Sizes for Installing a Brake Controller on a 2007 Chevy Silverado
    GM does not supply the attaching nuts required to secure the wires to the studs. These can be obtained locally. You will need (1) M6 x 1.0 nut, # 185916 and (1) M8 x 1.25 nut, # 185917. I have attached an FAQ for you that may also help.
    view full answer...
  • Parts Needed to Install a Prodigy P3 Brake Controller on a 2010 GMC Yukon
    There are a couple of small items you may need when installing the P3 Brake controller on your 2010 GMC Yukon with factory trailer wiring package. We have an informational article that details the installation and location of wires on your vehicle that you will need, see link. The only parts that you might need are the M6-1.0 nut, # 185916, and M8-1.25 nut, # 185917, to secure the wires to the power studs at the front of the power distribution box if that step was not completed at the...
    view full answer...


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