Trailer Breakaway Kit

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Hopkins

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Kit with Charger

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Side Load

Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger - Side Load - 7" Wire

Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger - Side Load - 7" Wire

Item # 20099

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Trailer Breakaway Kit

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Hopkins Kit with Charger - 20099
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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 Hopkins. Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger - Side Load - 7" Wire part number 20099 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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Hopkins Trailer Breakaway Kit - 20099

  • Kit with Charger
  • Hopkins
  • Side 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.


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 with LED lights clearly displays battery status
      • Green = charged
      • Yellow = charging
      • Red = low battery
  • Built-in charger automatically refuels battery while trailer is connected to tow vehicle
    • Charges at 1/2 volt below voltage supplied by tow vehicle to prevent over-charging
    • Shut-off feature activates when battery is fully charged
  • Side-loading case is easy to access from the side
    • Weather-resistant construction protects battery from moisture and debris
    • Self-tapping screws included for simple mounting on your trailer's frame
  • 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- and tandem-axle trailers with electric brakes
  • Case dimensions: 4-1/8" long x 5-5/8" wide x 5-1/8" tall
  • Battery capacity: 5 amp-hours
  • Mounting hole spacing:
    • 1-1/2" From center of hole to center of hole horizontally
    • 7/8" From center of hole to center of hole vertically
  • Lead wire length: 7"
  • 90-Day 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.



20119 Hopkins Engager Break Away System with LED Battery Monitor and Charger - Side Load - 5 amp/hrs - 7" Wiring

20099



20099 Installation InstructionsInstallation Details 20099 Installation instructions


California residents: click here


Video of Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger - Side Load - 7" Wire


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




Video Transcript for Hopkins Trailer Breakaway Kit - Kit with Charger - 20099 Review


Customer Reviews

Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger - Side Load - 7" Wire - 20099

Average Customer Rating:  4.8 out of 5 stars   (324 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.

- 20099
by:

I bought this brake away system one year ago and have had zero issues. I like the display and the test button still works. Great product, this trailer lives outside uncovered..so far so good. 596745



- 20099
by:

The Hopkins battery box and break away switch showed up in record time with a fully charged battery. I also purchased a 7 blade plug / 24' 7 wire / 2 termination boxes. My old horse trailer has 18 various lights, some always hot, some on toggle, some running lights, stop and turn signals. I used 2 term boxes, front and rear, to help me in chasing future shorts but couldn't find a termination box at my local store. Etrailer had everything I needed to complete my project. I'm looking forward to purchasing trailer tires/rims from this company. The prices can't be beat, assuming free shipping. 489356



- 20099
by:

Very good product. Easy to follow instructions with all necessary hardware included. This is my second unit--have had one installed on another trailer for over 12 years now--still works great! 224784


Comments

Still working great!

Gary W - 09/09/2016

20861

- 20099
by:

Still working great!!!!!!!!!!!!!!!! 408284



- 20099
by:

purchased 2 roof vents and a breakaway kit with charger.Very good quality and very good and quick service.Hopkins breakaway kit has battery with charge control and switch with cable and a great price. Ventline basic roof vents with screen and hand crank and a great price too!!! 440333


Comments

I have purchased these product previously and never had any problems with either. Thanks

Bader,dennis - 10/08/2018

44415

- 20099
by:

This product works great! Thank God I have never had to use it. The cable was accidently pulled out, but it was very simple to replace. I would recommend to anyone for piece of mind. Very affordable. 571373



- 20099
by:

Bought this to replace the box that was torn up by thieves who stole my trailer. Previous box did not have the battery charge tester, so this is a nice upgrade. Very durable construction. Easy installation and instructions, which included a good drawing. Super fast shipping, which prompted me to order more items. Have dealt with etrailer.com in the past, and I am glad that I returned. 65762


Comments

Hi Patrick, thanks for the one year check-up.I have had no issues with the kit, it all works like it is supposed to. Thankfully, I havent had to test it for what it is designed for.

-- comment by: Gary - 02/14/2014

2814

- 20099
by:

Item came with NO installation instructions. Had to search, download and printout on my own. Item P/N was NOT listed on mfr's site but did find instructions under a different PN. No mounting hardware (screws) were provided. Item was successfully installed on Utility/Car Mover trailer and appears to work properly. Battery capacity is minimal (5VA) - will power a single axle brake (5 amps) for less than an hour. Tow vehicle battery charger (12v) circuit is mandatory. No provision for an external battery charger connection is provided. DO NOT TEST while electrically connected to tow vehicle - it will damage your Brake Controller. This is important because connecting the breakaway switch lanyard as recommended requires pulling the plug from the switch which back feeds 12v to the tow vehicle's brake controller. Must connect the lanyard BEFORE connecting the trailer electrical cable and vice-versa when disconnecting. Switch mounting plate is very thin and flimsy - easily bent when applying force necessary to reinsert breakaway plug. Must hold the housing while inserting. Do not install the battery housing or switch where subject to possible external physical impact forces or loads. They are both plastic and easily damaged. 447168



- 20099
by:

The material arrive on time, and was as described. They have been installed and are operating fine. Thanks for you aid in this. 710935



- 20099
by:

Easy to install looks like good qualit y. 698066



- 20099
by:

Everything was what I expected. Very pleased with the parts and the amount of time for delivery. 683914



- 20099
by:

I had made several purchases from Etrailer and I have always got great parts service and fast shipping. We all work hard in life to be able to enjoy our hobbies. Rather it be Camping, hauling your race car to the track or keeping your work trailers in good working order. It is nice to have a company that is there to help you maintain your equipment in a economical, knowledgeable,and friendly way. If you are looking for advice,quality parts and trustworthy service look no further. Thanks Will and etrailer for helping me get me rig back on the road and safer. You guys are the best! 683547



- 20099
by:

Great price and good customer service 680825



- 20099
by:

Everything was as described. Fit as it should very happy with shopping speed and quality of products. 680540



- 20099
by:

All my ordered parts arrived have not installed yet but so far perfect experience. 679681



- 20099
by:

nice product, easy to install, works gr eat 673738



- 20099
by:

Good service, order received quickly and in good condition. Products ordered were as advertised and recommended. 668198



- 20099
by:

Still working perfect 1 year later. 665774



- 20099
by:

The only reason I do not give you 5 stars is because your web site. When internet ordering, it should instantly state when a part is out of stock. Even nicer would be expected restocking dates. The parts received were exactly what I ordered for my electric brake conversion from surge brakes at far less expense than reparing the internally rusted surge brake system. There was a plethora of information on your web site to assist me in ordering the correct parts for the conversion. Plus there were videos to see how to complete the conversion and how parts were installed and adjusted. Customer service was excellent. 659639



- 20099
by:

This product was easy to install and very user friendly. The information available on the web site was also very helpful. 657308



- 20099
by:

etrailer Nailed this transaction! Everything was delivered in a timely fashion and they have fair pricing. The brake kit came with easily understood instructions. I couldn't be happier! 656674



- 20099
by:

Items were poorly packaged. Grease caps were damaged. Grease seals were sized wrong. No instructions for breakaway switch. Brakes were not assembled properly causing significant time troubleshooting the issue. Called customer service, representative sounded insincere when apologizing. E trailer did send new grease caps, did not offer any compensation for incorrect grease seals. They also told me to contact Hopkins regarding an issue with the breakaway switch wiring. Overall good pricing, poor packaging, and mediocre customer service. After all the positive reviews, I expected more. 650073



- 20099
by:

All is good... 644679



- 20099
by:

Exactly what I needed to get my heavy trailer back in shape! 644476



- 20099
by:

Easy transaction and fast shipment. 644089



- 20099
by:

Haven’t made but one trip and seem to work ok. 643753



- 20099
by:

I converted my car trailer from surge to electric and it could not have been easier The box was perfect for my needs and has held up well for the first year All the parts from one site at a great price! 634877



- 20099
by:

easy to install and works good. 619940



- 20099
by:

Great product works very well and has held up great over the past year. 619326



- 20099
by:

I ordered an electric brake kit and hub and drum assemblies for my trailer.Bryan was very helpful in making sure I got the right parts and taking my order down. I got the order delivered within a few days with the free shipping!Etrailer seems to me to be a great company,refreshingly different from other places I’ve encountered on the web.Good prices on their products and they have helpful how to videos to guide you along.If I need trailer parts in the future I will definitely look up Etrailer! 619300



- 20099
by:

all is well everything working as should be thanks for the great service. 616639



- 20099
by:

I no longer own the trailer but this product was a great unit. It was easy to install and worked flawlessly. I highly recommend this product and etrailer for being easy to deal with. 610526



- 20099
by:

This is the only kind I would use. Easy to hook up and you can trust that it will do everything you need 609928



- 20099
by:

Adam Went out of His Way to Get Parts to Me!! Thank You 608979



- 20099
by:

Great price and good product 608809



- 20099
by:

Works as it should great product no iss ues 605152



- 20099
by:

Great products, with fast shipping. 596812



- 20099
by:

great product at a good price shipped f ast 595051



- 20099
by:

As advertised and described. No surpris es 590861



- 20099
by:

Easy to install - no issues 587953



- 20099
by:

breakaway kit worked great. 583880



- 20099
by:

Works great and easy to install. 577868



- 20099
by:

This is the exact replacemene necessary to repair my trailer. Because of that it only took minutes to complete the replacement. Again, thank you 571146



- 20099
by:

good fit. 569671



- 20099
by:

Arrived fast, works great. Nuff said 569052



- 20099
by:

This works very well, and wires into the junction box-pin plug. 566062



- 20099
by:

Works great ! 565967



- 20099
by:

Replacing Hopkins box that came standard on my trailer. Easy Install, appreciate how to install videos on the website. 564707



- 20099
by:

Very good and fast delivery. 557944



- 20099
by:

As always, great product, at great pric e. 557160


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Ask the Experts about this Hopkins Trailer Breakaway Kit

Do you have a question about this Trailer Breakaway Kit?


  • Recommended Trailer Breakaway Battery Braking System with Integrated Charger
  • The Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger - Side Load - 7" Wire # 20099 is the most popular option by far followed by the top loading version # 20400. This is my recommendation for the best option. Many trailer manufacturers utilize this breakaway kit because of its function and ease of use. I've attached a photo to assist with the installation.
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  • Recommended Electric Over Hydraulic Trailer Brake Conversion for Dual 10K Axles
  • The Disc Brake Kit # K2R1058D13 by Kodiak is the brake set that you will need to use for your 10,000 lb Dexter Torsion axles. When it comes to hardware, like the brake line, I recommend going with the Kodiak Hydraulic Brake Line Kit # 24TA-BLKIT which will wear better than other traditional brands. These lines are very flexible so the line is easy to maneuver under the trailer. The only downfall is that you cannot cut the line due to how hard and risky it is to do yourself. All you have...
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  • How to Install a Brake Controller on a 2015 Jeep Wrangler Unlimited with Factory Tow Package
  • I have exactly what you will need for your 2015 Jeep Wrangler Unlimited to tow your Vintage Airstream with brakes. The first thing you will want is a 7-way trailer connector at the rear of the vehicle and for this I recommend the Hopkins Endurance Quick-Install 7-Way Trailer Connector part # HM42190 which is a direct plug and play option that will not require you to cut or splice any wires/circuits. The square plug on the end of this connector will plug into and replace the 4-way trailer...
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  • Operation of Parking Brake on Electric Trailer Brake Assemblies
  • The Dexter Electric Trailer Brake Assembly w/ Parking Brake # K23-086-00 and # K23-087-00 both utilize the 12V power from your electric brake controller for regular brake operation or the 12V breakaway battery for emergency braking, but utilizes the manual lever on the backside of the brake assembly for a mechanical brake to hold your trailer in place when the parking brake cable assembly is used. For this mechanical parking brake feature Dexter doesn't offer an assembly for their brake...
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  • Adding Parking Brakes To Jayco Feather 19XUD
  • You are only be able to add parking brakes to your trailer brakes if those brake assemblies are already equipped with a parking brake actuator. 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 that attached to parking brake cable (see photo). If your brakes are not equipped with a parking brake feature, then you could wire a switch that would power the brakes when you are parked,...
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  • Can a Diode be Used to Prevent Back Feeding from a Trailer Breakaway Battery to a Brake Controller
  • You could install parking light diode # RM-690 to allow power to only flow in one direction and that would prevent accidental back feeding. The diode is rated for 85 amps on a 12 volt system.
    view full answer...

  • Comparing the Curt, Tekonsha, and Hopkins Breakaway Batteries
  • Can you please provide me with the exact part numbers that your are referring to?
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  • Converting Drum Brakes On A Dexter Military Trailer Axle With 8 On 6-1/2
  • I would be happy to help you choose the correct brake setup for your Dexter Torflex Axle, however there are no manufacturers that currently make electric disc brakes. All disc brakes are powered by a hydraulic cylinder. If you wish to use a disc brake setup controlled by an in-cab brake controller, you will want to consider the HydraStar Electric Over Hydraulic Actuator for Disc Brakes part # HBA16 and an electric brake controller such as the Tekonsha Prodigy P3 Trailer Brake Controller...
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  • Can Trailer Breakaway Kit be Used without a Battery
  • If you didn't have a battery used with your breakaway system there'd be nothing to power the brakes in the event of a disconnect so you couldn't use just a switch like the part # FA80-00-2040 by itself. You'd instead need to use a whole system like the # 20099 and you'd be set. I attached a help article that covers more info on these for you to check out as well.
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  • Custom Gooseneck on Aluminum Flatbed and Adding Anti-lock Disc Brakes to 40 Foot Triple Axle Trailer
  • When customizing the brackets needed for the # BWGNRC800 to install to your 2007 Dodge RAM 3500 HD Flat Bed Crew Cab with dually chassis truck frame, you ideally want to be just slightly in front of your rear axle. Anywhere from 1 to 3 inches in front is best and what is done for the custom bracket kits where available. The system will ideally be flush with the top of the frame so the gooseneck ring holding the ball will actually sit just slightly above the rails (to protrude above...
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  • Will Water Damage Magnets if Electric Brakes are Installed on Boat Trailer
  • Electric brakes, like the Dexter Nev-R-Adjust Electric Trailer Brake Assembly # 23-458 that you referenced, are actually becoming more and more common on boat trailers. They used to not be so common because water and electricity don't play nice together, but if you unplug the trailer before backing it into the water you will be just fine. Any trailer components that are submerged under water will wear quicker than parts that are not, but if you make sure to hose down your boat trailer...
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  • Why Dont 2,000 Lb Trailer Axles Comes with a Brake Mounting Flange
  • A 2,000 lb trailer axle like the Dexter Trailer Axle Beam part # T20BTR-7258 is not going to come equipped from the manufacturer with a brake mounting flange because of the weight of the trailer it is designed to be used on. However, most qualified welders can add the brake mounting flange part # 4-34 for a very small fee. The Dexter Trailer Axle has a 2,000 lb weight capacity, 58" spring center, and 72" hub face length. It uses a L44649 bearing on both the inner and outer seats. Once...
    view full answer...

  • Can Breakaway Switch By Itself Be Used If Trailer Already Had Battery
  • If you have a battery already on your trailer that's getting a charge and would be adequate to hold the brakes of your trailer in the event of a breakaway you could wire just a switch from it to your brake output circuit and you'd be fine. For that you'd only need a switch like the # FA80-00-2040 for a kit with a coiled cable or part # 2005-P for a kit with a straight cable. The battery setups like the part # 20099 would only be needed if you also needed a battery to power the system.
    view full answer...

  • Wiring Directions for Hopkins Engager Push-to-Test Trailer Breakaway Kit
  • The wiring directions for the Hopkins Engager Push-To-Test Trailer Breakaway Kit # 20099 referenced in your question are as follows: 1. Splice one blue wire of the Break-Away Switch to the electric brake wire coming from the trailer side connector. 2. Connect other blue wire of Break-Away Switch to the blue wire (labeled Brake) from the Break-Away box (Note: Blue wires are interchangeable on the Break-Away Switch.) 3. Splice white wire from Break-Away box to existing ground wire on...
    view full answer...

  • Parts Needed to Add Brakes to a Tandem 3,500 lb Axle Trailer to Tow with a 1996 Jeep Grand Cherokee
  • It sounds like you currently have a wheel hub that has a 5 on 4-1/2" bolt pattern (taken from the far end of one bolt to the center of one directly across from it) and that you already have a brake mounting flange on two 3,500 lb axles. If this is the case then I recommend using the electric brake kit # AKEBRK-35-SA along with the Trailer Hub and Drum Assembly # AKHD-545-35-K. Electric brakes are the easiest to install and maintain so these will work out great for you. Just make sure...
    view full answer...

  • Parts Needed to Add Electric Drum Brakes to a 16' Dual Axle Trailer
  • To install electric brakes on your trailer you need brake mounting flanges, brake assemblies, hub and drum assemblies, trailer wiring for the brakes, a breakaway kit, and a brake controller installed in your vehicle. You do want to install brakes on both sides of the axle(s) otherwise your trailer will pull to one side when your brakes are applied. We also recommend installing brakes on all of the axles that you have on your trailer. This helps to ensure that you have enough stopping...
    view full answer...

  • Is Separate Breakaway Kit Needed with Autowbrake Electric Brake Controller # 3430001
  • The Autowbrake Electric Brake Controller # 3430001 does not have a built in breakaway system. You'd have to have a separate system installed on the trailer for that like the Hopkins kit part # 20099.
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  • Parts Needed to Change a Triple Axle Kaufman Trailer from Electric to Electric Over Hydraulic Brakes
  • To change your electric brakes on your Kaufman trailer to an electric over hydraulic (EOH) system you will need to hydraulic brakes, brake lines, an EOH actuator, a breakaway kit (which you should already have), and a brake controller (which you should already have). I highly recommend going with the HydraStar EOH Actuator # HBA-12 which is one of the best options out there and has received great reviews from other customers. We hardly ever see any troubleshooting questions about these...
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  • Adding Electric Brakes to a Utility Trailer with a 3,500 Lb Rockwell Axle
  • We do have everything you will need to add electric brakes to your utility trailer but in order to recommend the correct parts I would need a bit of information from you. 1) Do you have a brake mounting flange on your trailer axle and if so how many bolts hole are attached? 2) What size are your trailer wheels? 3) What is the bolt pattern on your trailer wheels/hubs? 4) What are the inner and outer bearing seat diameters on your spindle or what are the numbers on your bearing? Once...
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  • Easy Solution for Lost Pin for Trailer Breakaway System
  • The TAP Engager brakeaway kit you have on your trailer is a standard style of breakaway very similar to the Hopkins Engager part # 20099. For a replacement pin setup that would work well we have the # HM20010 which gives you a new switch, pin and cable. This is the easiest way to replace a breakaway pin is replacing the switch and pin all together as the switches themselves are all universal but matching the pins can be a bit harder. For just the pin of this system we have the # HM20051...
    view full answer...

  • What is the Difference in Hopkins Engager Breakaway Systems 20099 and 20400
  • Hopkins Engager breakaway systems # 20099 and # 20400 function the same way and have the same features. The main difference is in how they mount. Engager # 20099 is meant to be mounted on top of the frame with the LED indicator and test button facing up. Engager # 20400 was meant to be mounted to the side of the trailer frame so that its LED indicator and test button are also facing up. You will want to make sure the battery in the system you use is protected. That is why breakaway systems...
    view full answer...

  • Parts Needed to Add Electric Drum Brakes to a 2004 Viking Epic Model M2007
  • First and foremost, thank you for your service to our country. It is greatly appreciated. Ultimately you are correct that the most accurate way to determine the correct hub and drum assembly is to pull the hub and find the bearing and grease seal numbers or at least use a digital caliper # 301-17068 to measure the spindle where they sit. However, there are a few pieces of info that we can possibly piece together to make an educated guess as to what you have. We do have the Dexter...
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  • What Parts Are Needed To Add Brakes To A 1997 Coleman Destiny Pop-Up Camper
  • To add electric brakes to the Coleman Destiny Bayport pop-up camper, you will need a few pieces of information. You will will need to know the weight capacity of the axle, bolt pattern of the wheels, and whether or not it has brake flanges already and their bolt pattern. If no brake flanges then you will have to either replace the axle with one that does or you can purchase brake flanges like Item # 4-34 and have a qualified welder weld them to the axle. After sorting out what...
    view full answer...

  • Parts Needed to Add Trailer Brakes to 1998 Coleman Pop Up Trailer
  • To add electric brakes to your 1998 Coleman pop up camper you should be able to use the Electric Trailer Brake Kit - Self-Adjusting # AKEBRK-35-SA and then hub and drum assembly # AKHD-545-35-EZ-K for a 5 on 4-1/2". You just need to make sure that your current bearings are # L68149 and # L44649 plus verify that your grease seal has an inner diameter of 1.719". If you have something else please let me know and I can let you know what alternative parts you need. You also need to add a...
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  • Installing Electric Trailer Brakes To Replace Hydraulic Brakes
  • To convert your hydraulic brakes to electric, you will start with the hub/drum diameter. Your brakes will either be 7 inch or 10 inch for that capacity. You can reuse your hubs if they are in good shape just use some brake cleaner to make sure they are really clean before installing your new brake assemblies. For 10 x 2-1/4 inch hubs, I recommend the Electric Trailer Brake Kit - 10" - Left and Right Hand Assemblies - 3,500 lbs # AKEBRK-35 or the self-adjusting # AKEBRK-35-SA. If...
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  • Troubleshooting Trailer Breakaway Wire That Didnt Activate Trailer Brakes
  • It sounds like you had not just a breakaway pin pulled but a wiring issue. If not, the breakaway wasn't connected to your trailer correctly as the brakes should be activated but the trailer tail lights wouldn't be. To me it sounds like the pin is connected to the brake lights and not the brake magnets. I've attached an article to help with the connections and have also attached a couple videos and a diagram. It sounds like you may need the Hopkins Replacement Break-Away Switch, 7"...
    view full answer...

  • What Parts Are Needed to Add Electric Brakes to a Trailer with a 2,000 Lb Axle
  • In order to install electric brakes on your trailer you will need a brake mounting flange, brake assembly, hub/drum, trailer wiring, breakaway kit, and brake controller. I have attached my recommendations on each of the following for you below: Brake Mounting Flange: part # 4-34 (2) Brake Assembly: part # AKEBRK-2 Hub/Drum: part # AKHD-545-2-EZ-2K (2) Trailer Wiring: part # ET7WK Breakaway System part # 20099 Brake Controller: part # 90885 In order to be sure the above...
    view full answer...

  • Will Enclosed Trailer Interior Lights Drain Breakaway Battery Without Power from Tow Vehicle
  • Unless there is a battery isolator like the Buyers Products # 3376391050 on your trailer and it is set to off then your interior lights should pull power from your breakaway battery. The only other thing that may be preventing this is if your breakaway battery is dead. Since tow vehicles only provide a slow trickle charge on the 12V power wire if your battery is dead this would make sense. I recommend taking your breakaway battery to get it tested. If it needs to be replaced I recommend...
    view full answer...


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