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Tekonsha Push-To-Test Trailer Breakaway Kit with Built-In Battery Charger - Top Load

Tekonsha Push-To-Test Trailer Breakaway Kit with Built-In Battery Charger - Top Load

Item # 50-85-313

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Trailer Breakaway Kit

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Trailer Breakaway Kit 50-85-313 - Top-Load - Tekonsha
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  • Kit with Charger
  • Tekonsha
  • Top-Load
Breakaway system with built-in charger is designed to bring a trailer safely to a stop by activating its electric brakes should it become disconnected while being towed. Push-button tester lets you know if the rechargeable battery is fully charged. Lowest Prices for the best trailer breakaway kit from Tekonsha. Tekonsha Push-To-Test Trailer Breakaway Kit with Built-In Battery Charger - Top Load part number 50-85-313 can be ordered online at etrailer.com or call 800-298-8924 for expert service.


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  • Reviews (88)
  • Q & A (92)
  • Videos (2)
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  • Why etrailer?

Tekonsha Trailer Breakaway Kit - 50-85-313

Breakaway system with built-in charger is designed to bring a trailer safely to a stop by activating its electric brakes should it become disconnected while being towed. Push-button tester lets you know if the rechargeable battery is fully charged.


Features:

  • Breakaway system activates your trailer's electric brakes if the trailer disconnects from the tow vehicle
  • Push-to-test battery feature offers fast and easy battery testing
    • Test button indicator with LED lights clearly displays battery status
      • Green = charged (12.8 volts or higher)
      • Yellow = charging
      • Red = low battery
  • Built-in charger automatically refuels the battery
    • Float Mode maintains voltage while you tow without overcharging to prolong battery life
    • Smart Adjust automatically switches to Float Mode when battery is fully charged
  • Top-loading case is easy to access from above
    • Polymer construction protects battery from moisture and debris
    • Mounting hardware not included
  • Lockable lid deters theft (padlock sold separately)
  • Breakaway switch installs on your trailer's frame - drilling is required
  • Department of Transportation (DOT) compliant
  • 12-Volt rechargeable battery is included


Specs:

  • Application: single-, tandem-, and triple-axle trailers with electric brakes
  • Case dimensions: 5" long x 4-1/8" wide x 4" tall
  • Mounting hole spacing:
    • 5-11/16" From center of hole to center of hole horizontally
    • 1" From center of hole to center of hole vertically
  • Battery capacity: 5 amp-hours
  • Breakaway switch length: 7-1/2"
  • 1-Year limited warranty


Note: A breakaway system is required by law in most states for trailers that are equipped with electric brakes and have a GTW of at least 3,000 lbs.



5085313 Tekonsha Push-To-Test Breakaway Kit with Built-In Battery Charger - Top Load - 5 amp/hrs

Same as Hydrastar HS496-82



50-85-313 Installation InstructionsInstallation Details 50-85-313 Installation instructions


California residents: click here


Video of Tekonsha Push-To-Test Trailer Breakaway Kit with Built-In Battery Charger - Top Load


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Tekonsha Push To Test Breakaway Kit with Charger Installation

We are going to install part number 50-85-313 from Tekonsha, this is Tekonshas push to test breakaway kit with the premium integrated charger. We will show you what comes with the kit. This is basically the battery box right here and it gets installed onto the side of the frame by these two tabs right here, there is one on each side. It is very easy to install, it only has three wires to hook up. Then we have the actual breakaway switch itself which comes with the kit and is just two wires to hook up to. Very easy to install. When you install the box you want to make sure that you keep it in a somewhat protected area and if you can not put it on the outside it is better to put it on the inside wherever it is easiest to get to in service. What we will do is clamp it in place here and mark and drill out our holes. Once you have it clamped the way you want it we will just mark out our holes and then for the base we will use some self-tapping screws to hold everything together. 00:53

Just mark the holes and then take it off and we will do the actual drilling. We will repeat that for the remaining holes that we need to drill out. I have got the holes drilled lets mount the box. The next thing we will do is mount our breakaway switch itself and mount it a little overlapped just like that. The reason why you want to leave it is because we have an edge right here to have it overlap, the reason being is that we do not want to have the plunger here caught between here and the switch itself and having it break the handle and it not coming all the way out. So it pulls out as a clean shot. We will start with the wiring connections. We are going to start with the switch itself. The switch will get power from the breakaway battery which will come in through one wire and out the other to the brake line when the switch is pulled. It does not matter which wire goes to the blue wire, the switch does not care, so we will make our first connection using this black wire and we are going to connect to our blue brake wire. 02:01

There is a variety of different ways that you can make these connections and we are going to use a simple quick splice that just makes it easy to see what is going on. That is done, lets put that out of our way and now we will work on our next wire. This wire is what gets power from the breakaway kit and that is going to connect up to the blue output wire from the kit from the breakaway battery itself. Sneak that around. The next thing I think we will deal with will be the white wire and then we will connect and this will go straight to ground so this is going to go straight to the frame itself. That will work just fine. The next wire we will deal with is the black wire and this is part of the charging circuit so we are going to run this wire and we are going to extend it with another black wire up to the 7-pole connector so it can connect up to the battery feed. We will go run this up through our loom up to the 7-pole wire harness. While we are at it when we run the wire up to the 7-pole we will take off the old loom and put the new stuff on. We have got our black wire ran up to our 7-pole, we will put a ring terminal on it, and then we will hook it up to the 7-pole and then we will hook it up to the one labeled black. At this point we will reassemble the 7-pole. Now we are done with our connections up here, lets put the new loom into place. I went ahead and extended the loom to the wires that we added to the harness too. Now lets check the operation of the breakaway system itself. Push the green button and it will tell you the status of the battery. Hold it down, right now it says that it needs to recharge so we will hook up to our tow vehicle and then we should see the yellow light come on where it says charging. I have got the key on the on position in the vehicle and you can see how the yellow LED came on. It is telling us that it is charging the battery inside now. Over time once the battery is fully charged the green LED will turn on. When the time comes that the battery needs replacing, all you have to do is push back the lid, there is a little zip tie that holds everything together. Pop the lid open, just pull back the lid, and you can see it is a conventional battery that can be easily replaced. The lid has a latch that goes on to it but you can secure it with a zip tie also. With that, that will finish our review of part number 50-85-313 from Tekonsha.


Customer Reviews

Tekonsha Push-To-Test Trailer Breakaway Kit with Built-In Battery Charger - Top Load - 50-85-313

Average Customer Rating:  4.8 out of 5 stars   (88 Customer Reviews)

Breakaway system with built-in charger is designed to bring a trailer safely to a stop by activating its electric brakes should it become disconnected while being towed. Push-button tester lets you know if the rechargeable battery is fully charged.

- 50-85-313
by:

Website was very user friendly with good info. Order process was easy. Product arrived quickly. VERY GOOD experience 469594



- 50-85-313
by:

Product arrived quickly and was as described. One feature I especially liked is the light indicating that the device is being charged when 7-way connector is plugged into the tow vehicle. Included installation instructions were same as on the etrailer website and were not very useful. Wiring diagrams for other than the breakaway device itself were difficult to decipher. The installation video on the etrailer website, however, was easy to follow and left nothing unanswered. 401598


Comments

Still working a designed, trailer parked for long periods, battery shows it’s holding a charge.

Smokymb - 07/04/2018

40490

- 50-85-313
by:

A top notch product that works well and is priced right. Thanks etrailer! 581639



- 50-85-313
by:

Another easy to install and use product, total idiot prof to use will definitely buy another one if needed. 115492


Comments

Still working fine good product no Major corrosion

steve c - 02/03/2015

9221

- 50-85-313
by:

I can only give this rating on the quality of the hardware because I never want to have to use it! Overall the product is well made with quality hardware components, a more than adequate sealed battery that came fully charged, and what appears to be 12AWG wiring where it needs to be to do the job the unit is intended for (lock the breaks in case of a breakaway). I bought this unit because I have a Tekonsha Brake Controller and I wanted to stay within the same product line. 194562



- 50-85-313
by:

This was a great buy with the battery & charger included. If your main battery is dead this one keeps your breakaway switch active. You need this while transporting your trailer from your winter location to your summer storage area. 128692



- 50-85-313
by:

Great product. Looks great. Fairly easy to install. If using a junction box with this product you need to remember to hook one of the leads from the break away switch to the black wire as described. The other wire hooks to the blue break wire. At first I hooked to the blue from my truck, the blue from this battery pack, and the blue going to my brakes. After several hours of trying to figure out the error it threw on my brake contoller in my truck I took it to a trailer place where they had to do some trouble shooting of their own. They found that the lead from the break away switch needed to be spliced into the blue wire going to my brakes after the junction box to make it work properly. It can't be on the same terminal as the battery pack. Other than this little issue it has been great, hopefully I never need to find out how well it works on a run-a-way trailer! 92166



- 50-85-313
by:

Works great, mostly easy to install, usual issue with wiring instructions being somewhat unclear to anyone other than an electrical engineer. If you are replacing an existing unit, you wont have any problem figuring out the wiring. Service from etrailer, as always is excellent 365671



- 50-85-313
by:

I have received all my parts in a very timely manner. The product s were exactly what they were advertised as and the installation went well. Prices were very reasonable and was shipping. Hopkins 7 way molded tral. Conn. Trailer light kit part # I forgot #mcl86ab clearance lights #38656 junction box #50-85--313 tekonsha breakaway. 539363



- 50-85-313
by:

Simple to install. Works great. 639732



- 50-85-313
by:

The plastic face plate on the top lid came off on the first one when I was washing off the trailer. It didn’t work after a little water got inside. So this replacement one, I put a bead of “shoe goo” around the edges so it doesn’t happen again. Other than that, it works well when testing it out. 636162



- 50-85-313
by:

IT CAME QUICKLY, AND CUSTOMER SERVICE WAS HELPFUL MAKING SURE WE ORDERED EVERYTHING THAT WE NEEDED. 617558



- 50-85-313
by:

I have a 2015 GMC Sierra 2500HD Diesel, towing a 2017 Pinnacle 36FBTS 5th. wheel. The Pinnacle has a standard drum braking system. On a long trip this year I cracked both rotors on my truck from over heating related to the Pinnacle's drum brakes failing to fully provide proper stopping. I decided no more, and after much review I replaced the factory drum brakes with the Kodiak Discbrake system. (my first time ever doing something like this) In addition, one of the key items for me was a way not to replace my on-board factory trailer brake controller, (did not want to use an aftermarket product, that would diminish the interior look ) thus I also added the control Adapter Module that enabled me to use the factory installed brake controller. With all this change I decided to also go ahead and add a separate brake away battery. Everything I just described are shown in the attached photos. I found eTrailer extremely helpful in answering questions, although I did not have a lot of questions since their online videos proved most helpful. All parts of the Kodiak system worked fantastic following a 2500 mile trip. The improved braking is superior, and I did not need to replace my on board controller, but continued to use it by installing the control adapter. The disc brake picture is one of the disc brakes that I examined following our trip...all in perfect shape with everything working great for the entire trip. 610894



- 50-85-313
by:

I have not installed it yet but looks great and happy with fast shipping 606841



- 50-85-313
by:

Works great! 606110



- 50-85-313
by:

Excellent product. Fast shipping. 603222



- 50-85-313
by:

This is a great product. Makes the installation easier and I love the battery monitor feature. 601812



- 50-85-313
by:

Nice kit at a great price. 598884



- 50-85-313
by:

So far I think I have this thing figured out. The directions with the breakaway kit are different when you are using a hydraulic actuator. I was a little confused but figured it out. 592998



- 50-85-313
by:

This is a well-made product and was quite easy to install. The directions made the wiring simple. I especially like the test button on the top of the case, which lets you easily check the battery without opening the case. The case is a durable plastic, which allows some flexibility if you need to add another hole or two to match your current mounting bolts. After 3 years of use, the battery and housing have held up fine. 584541



- 50-85-313
by:

Great product for the price, was easy to install. 578594



- 50-85-313
by:

I haven't installed it yet, but with the enclosed instructions, I don't anticipate and problems. 570188



- 50-85-313
by:

Great product! Easy to install and works as intended. 569239



- 50-85-313
by:

Lisa did a excellent job took care of any question I had. great company. 562511



- 50-85-313
by:

etrailer.com made getting my replacement part so easy, and the price was great. My product shipped right away and I love the one click tracking. I didnt need customer service this time, but when I do they are so responsive and they know their stuff! I highly recommend etrailer.com. 551748



- 50-85-313
by:

Works real good and like the Battery in dicator 548104



- 50-85-313
by:

NATALIE WAS VERY PLEASANT TO DEAL WITH !! VERY HELPFUL THANK YOU. PRODUCT WORKED GREAT. 521393



- 50-85-313
by:

Great product and fast delivery 519693



- 50-85-313
by:

product is always good quality. prices are good. customer service excellent.I always use etrailer for towing/trailer needs. 496540



- 50-85-313
by:

Very good quality product. I was able to install in tool box to keep it out of the weather. 493934



- 50-85-313
by:

Product looks and works great after a year, love the digital readout and overall quality 489914


Comments

Still working great after a year of operations and outdoor storage

Timothy - 03/28/2019

51126

- 50-85-313
by:

I’m very happy with everything that I purchased from the trailer and there will probably be a few more things that I will get this year keep up the good work thanks 481162



- 50-85-313
by:

I installed the switch, but turned out I didn't need the battery. Switch works fine. 471560



- 50-85-313
by:

The kit was all I needed to replace my old unit. I am happy with the quality of the components. I would have given it 5 stars but the wiring diagram was printed for an electrician not a DIY trailer owner. Thanks 458223


Comments

works correctly. green light every time I check it, yellow charging light when I hook up. Would buy this unit again.

John C - 12/10/2018

46579

- 50-85-313
by:

Seems to be fine. 455487


Comments

Great!

Michael - 11/28/2018

46113

- 50-85-313
by:

Bigger than I thought, so I had to mount it in a different spot, but worked perfectly and shipped quickly! 449001



- 50-85-313
by:

Everything worked great. I was refurbishing a 1985 Hudson utility trailer. I have attached a picture of the finished product. Thank you for all your great products and support. 447947



- 50-85-313
by:

Have not installed it yet but Tekonsha is a good product. I love the lighted battery condition, no guess work. 445687


Comments

Battery holds a charge which is great. Fortunately have not had to use the device.

Carlos - 12/05/2018

46430

- 50-85-313
by:

Just what I needed to rehab my old trailer. Great product and very fast service and shipping! 430957



- 50-85-313
by:

Everything arrived faster than I thought it would and everything looks great!!! I will be buying more when I need trailer parts in future. Things should go alright installing unless I screw it up. 427533



- 50-85-313
by:

Great prices! 403506



- 50-85-313
by:

Works great, had it in place for a year now with no issues. 402107



- 50-85-313
by:

Oder was held due to back order. After some emails back and forth I was given an upgraded part free of charge Even being held up a day, they did their best to accommodate Win in my book 379528



- 50-85-313
by:

Easy to install. Great product. 367019



- 50-85-313
by:

As advertised. Installed but not used yet, fortunately. Good to have in case and hope to never need. 366681



- 50-85-313
by:

This product surprised me. The product is of higher quality that I expected and too good for the trailer it was purchased for! I would up swapping this unit into my enclosed trailer and taking the factor- installed unit from that for my open trailer! Etrailer is my go-to for all my trailering needs. 360325



- 50-85-313
by:

etrailer is probably the best one stop trailer solution on the web. I just fabricated my own deck over dovetail tailed from scratch. I ordered just about everything I needed for the build. The sales staff are very knowledgeable and professional. I highly recommend etrialer to anyone weather your rebuilding your trailer or fabricating a new trailer, they pretty much have everything your looking for with very good pricing and they stand behind every product they sell. 359319



- 50-85-313
by:

Installation was easy without being complicated. Fortunately have not had any incidents where it has activated. Testing has proved it will work if needed. 335180



- 50-85-313
by:

GOOD 330336



- 50-85-313
by:

Came sooner than expected and was exactly what i ordered 333017


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  • Electric-over-Hydraulic System Recommendation for a 15K Trailer with Disc Brakes
  • For your 15,000 lb toy hauler, I recommend the HydraStar Actuator, # HBA16, that you referenced. The response time for this actuator from activation to full pressure is 1.2 seconds and it is compatible with the integrated brake controller in your 2012 Ford F-250 Super Duty. This actuator is also made here in the United States. This actuator is designed to be used with the industry standard 12 volt, 5 amp-hour breakaway battery. If you do not have a breakaway system, then I recommend...
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  • Parts Needed To Install Brakes On Haulmark 8 Foot V Nose Trailer
  • I did some research and it looks like most Haulmark trailers like yours have a 3,500-lb single axle. If you have different axles then let me know and I can make the correct recommendation.  Your axle must have brake mounting flanges attached behind the existing hub assembly on each side for brakes. If there are no brake mounting flanges then you will either have to replace your axle or purchase brake mounting flanges that can be welded to your axle by a qualified welder.  A common...
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  • Adding Electric Over Hydraulic Disk Brakes to a 5th Wheel Trailer with Electric Brakes
  • A disc brake set up will need to be pieced together since your trailer has 7K axles. All of the kits only fit 3500 pound axles. The only option that is close to what you are looking for looks like kit # K2HR79DS (one kit per axle) and would be the best option. But with it the calipers are stainless and the rotors are dacromet. There isn't a stainless steel rotor for this application. For this kit you would also need bearing kit # BK3-200 (one needed per hub). For an electric over...
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  • Converting Military Trailer W/ Air Assist Hydraulic Drum Brakes to an Electric Over Hydraulic System
  • From a price, performance and reliability standpoint, I would recommend the Carlisle HydraStar Electric Over Hydraulic Actuator for drum brakes, part # HBA-10. You would also need a breakaway kit like the # 50-85-313 offered by Tekonsha as well as an in-cab brake controller that is electric over hydraulic compatible, like the Tekonsha Prodigy P2, part # 90885 or the P3, part # 90195. Both controllers are electric over hydraulic compatible, but the P3 is a bit more user-friendly for those...
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  • Can a Parking Brake or E-Brake Be Added to Dexter Electric Brake Assemblies
  • A parking brake system, also known as an e-brake, can only be used if the brake assemblies are already equipped with a parking brake. Dexter does offer electric brake assemblies with a parking brake, but their standard electric brakes assemblies cannot have a parking brake added to them if they were not already properly equipped. You can tell if your brakes are equipped with a parking brake by looking at the backing plate. There will be an actuating lever at the top of the brake assembly...
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  • Parts Needed to Add Electric Drum Brakes to 2017 Load Rite 20280096VT Boat Trailer
  • We can help you with the parts needed to add electric drum brakes to your 2017 Load Rite 20280096VT single-axle boat trailer. There is no all-inclusive kit made for your specific trailer but we can help with each of the components you'll need to make this trailer upgrade. Please have a look at the linked article that details this very process you're looking to undertake. Since you already have a trailer brake controller in your Cherokee we'll just need to concern ourselves with the trailer. Starting...
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  • Recommendation on a Breakaway Kit to Fit a Tandem Axle Trailer
  • Most of the breakaway kits that we offer do include the battery. It is also a good idea to get a kit that has a built in battery charger. I recommend the Tekonsha Breakaway Kit # 50-85-313. This kit will include an integrated battery charger along with the battery. The battery charger is a multi-stage charger that will extend the life of the battery and allowing for quick re-charging. This kit also includes a push to test feature. There is a tester that will show if the battery is...
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Info for this part was:

Photos by:
Theodore B
Expert Research:
Michael L
Video Edited:
Andrew K
Expert Research:
Michael H
Expert Research:
Reno H
Expert Research:
Jameson C
Updated by:
Adele M
Updated by:
Laura H
Installed by:
Cole B
Photos by:
Sam P
Updated by:
Sarah W
Updated by:
Alexander C
Updated by:
Brian T

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