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Expert Answers about Toyota Trailer Breakaway Kit


  • Should the Cable on Hopkins Break-Away Kit # HM20001 Engage Trailer Brakes If Safety Chains Break
  • The breakaway cable on the Hopkins Break-Away Kit, part # HM20001, should engage the trailer brakes if the trailer becomes disconnected from the tow vehicle and the safety chains fail. So you will want the breakaway kit to be the last line of defense against a runaway trailer. As far as length of the breakaway cable, that will be determined by where the breakaway kit will be installed on the trailer. I am including a link to a FAQ page on breakaway kit installation and a link to a video...
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  • Wiring a Trailer Breakaway Switch on a Trailer with an Existing Winch Battery
  • Yes, a breakaway kit can be wired in one of two ways to the trailer brake system. The first way would be to use the Engager Trailer BreakAway Kit with Charger and Tester, item # 20099, and splice off of the power wire that maintains the winch battery on the trailer to charge the battery included in the kit (see instructions). This is the recommended method of installing a breakaway kit since many states require that a breakaway kit with separate power supply be used. The second option,...
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  • How to Wire the Trailer Breakaway Kit Battery Charger Part # 20011
  • To answer your question yes, the Trailer Breakaway Kit Battery Charger part # 20011 can be used to charge your breakaway battery while drawing power from the 12 volt auxiliary battery on your trailer. However, most local and state regulations require that the breakaway battery receive a charge from a battery not mounted on the trailer therefore, I recommend using the Trailer Breakaway Kit Battery Charger part # 20011 to pull power from the vehicle's battery via the 12 volt pin on the 7-way...
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  • Can a Trailer Breakaway System be Run off of Existing Trailer Battery
  • A breakaway kit can be wired in one of two ways to the trailer brake system. The first way would be to use the Engager Trailer BreakAway Kit with Charger and Tester, item # 20099 , and splice off of the power wire that maintains the trailer's battery on the trailer to charge the battery included in the kit (see instructions). This is the recommended method of installing a breakaway kit since many states require that a breakaway kit with separate power supply be used. The second option,...
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  • How to Reset Breakaway Kit When Pin is Pulled
  • If you pulled the pin on a breakaway kit, like the Hopkins Engager Push-To-Test Trailer Breakaway Kit # 20099, you should be able to just insert the pin back into place and your breakaway battery will stop applying the brakes on your trailer. If you don't already have a breakaway battery kit that has a recharging battery that stores power when connected to your tow vehicle then you can use the Hopkins kit that I mentioned above.
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  • Is a Fuse Needed on Red Wire for Bright Way Trailer Breakaway Kit 3802346
  • In regards to the Bright Way Trailer Breakaway Kit part # 3802346, there is no fuse on the red wire between the breakaway battery box and truck battery. This circuit is already protected on the truck side near the battery. The red wire goes directly from the breakaway battery box to the trailer connector.
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  • How Does Breakaway Function Work With Wireless Brake Controller
  • When using a wireless brake controller like the Curt Echo Wireless Trailer Brake Controller # C51180 the breakaway function is still operated by the breakaway kit and not the brake controller. A brake controller and breakaway kit are 2 separate components although they both work with the trailer brakes, just differently. The Echo brake controller is designed to apply the brakes to the trailer when the brakes are applied to the tow vehicle and help bring both to a safe stop. Breakaway...
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  • Can Trailer Breakaway Kit Be Installed Into Junction Box for Cleaner Connections
  • Sure, if you want to install the breakaway kit through the junction box, you would just need to make the connections that would normally run to the wiring harness, into the respective terminals inside the junction box. While we don't have a video to show how this is done, you can use the attached diagram that I've put together for you. For a junction box, I recommend part # 38656 and for a breakaway kit, I recommend the Curt Push-To-Test Trailer Breakaway Kit with Built-In Battery Charger...
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  • 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 trailer...
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  • Does the Engager Trailer BreakAway Kit with Charger and Tester, # 20099 Come with Instructions
  • Yes, the Engager Trailer BreakAway Kit with Charger and Tester, # 20099, does come with instructions, which I have linked for you. There is also a wiring color code on the box lid. If you look at the second picture on the product page you will see the color code information. The more detailed wiring instructions found in the manual for the kit 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...
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  • Does Bright Way Trailer Breakaway Kit Come With Mounting Hardware
  • The Bright Way Trailer Breakaway Kit with Switch, 12V, 5-Amp-Hour Battery, and Charger # 3802339 does not come with mounting hardware; you would need to supply your own self-tapping screws from a local hardware store. If you were looking for a breakaway kit that did come with mounting hardware, I recommend the Hopkins Trailer Breakaway Kit with Built-In Battery Charger - Side Load # HM20001. This comes with self-tapping screws as well as U-bolts so you could mount it to your jack post...
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  • Can Breakaway Battery Box Be Mounted With Battery On Its Side on 2016 Haulmark Enclosed Trailer
  • If you are using a breakaway kit like the Hopkins Engager Trailer BreakAway Kit # 20099 or # 20400 that features a sealed battery in an enclosure then you can mount it sideways if that is a better mounting solution on your trailer. We often see trailers with their breakaway battery installed in this way. If your kit does not use a sealed battery or if it does not have a protective case for the battery you might want to check the manufacturer's instructions for any cautions about how that...
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  • Does Breakaway Kit Cause Backfeeding on Brake Controller Wiring
  • Since breakaway kits attach to only the 12 volt accessory circuit of the trailer wiring under normal circumstances and not the brake controller output circuit like what the brake controller is connected to there would be no backfeeding issue. In the event of the breakaway kit getting activated and it putting 12 volts on the brake output circuit the trailer wiring would be at that point disconnected from the vehicle so again there wouldn't be any backfeeding. Also 12 volts on the output...
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  • Can I Install the Bright Way Breakaway Kit with a Charge Line for the Breakaway Battery
  • The Bright Way Trailer Breakaway Kit # 3802354 can be installed in a manner that either does or does not take a charge from the tow vehicle while it is running; the best way to complete an installation where it does take a maintenance charge from your tow vehicle's 7 way connection is using the Bright Way Trailer Breakaway Charger # 3802349. Installing this charger in the manner shown in the review and installation video linked to this answer is going to be the best way to make sure that...
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  • Installation of Hopkins Engager Breakaway Kit
  • Installing the Hopkins Engager Push-To-Test Trailer Breakaway Kit # 20099 is a pretty easy process; I've linked the installation instructions for you and the diagram I added is from those instructions. First you need to mount it on a flat surface on your trailer; if you can't find one I recommend using the Weld-on Trailer Frame Mounting Plate for Hopkins Engager Breakaway Kit # HM20107. After that you will wire one of the wires from the breakaway switch to the trailer brake wire for the...
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  • Installation Instructions For Hopkins Engager Trailer BreakAway Kit
  • I have attached the installation instructions for the Hopkins Engager Trailer BreakAway Kit, part # 20099. This kit includes a charger and an LED tester and will work with single and tandem axle trailers. I have also attached a link to an installation video for this kit you can check out. I attached a link to a drawing that shows how the wiring is run when you install the breakaway kit.
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  • Can Trailer Brakes be Connected Directly to Brake Controller Without a Breakaway Kit
  • Technically yes, you can just connect your brake controller wire directly to the brakes and they would work just fine. However, it is required by law that a breakaway kit, like part # 20099, be installed on any trailer that has electric trailer brakes. This is so that in the case that your trailer would uncouple from your tow vehicle the breakaway switch pin would be pulled which would, in turn, activate your trailer brakes. Even surge brake hydraulic systems, like what the actuator #...
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  • Do Trailer Brakes Lock Up When Brakeaway Kit is Activated
  • When the Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger # 20099 gets activated, your trailer brakes will immediately lock up. It sends the full 12 volts to your brakes to stop the trailer as soon as possible. This is assuming, of course, that the breakaway battery is fully charged, which should not be an issue with this kit due to its built-in battery charger. I have added a link to a video review of this kit for you to take a look at as well as a couple help articles...
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  • Can Trailer Breakaway Battery Be Mounted on It's Side
  • If you are using a breakaway kit like the Hopkins Engager Trailer BreakAway Kit # 20099 that features a sealed battery in an enclosure then you can mount it sideways if that is a better mounting solution on your trailer. We do often see trailers with their breakaway battery installed in this way. If your kit does not use a sealed battery or if it does not have a protective case for the battery you might want to check the manufacturer's instructions for any cautions about how that particular...
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  • Where to Attach Cable for Curt Push-To-Test Trailer Breakaway Kit
  • The most common method for attaching the cable for a breakaway kit like the Curt Push-To-Test # C52042 that you referenced is feeding it through the safety chain loop on the trailer hitch. The warning message that you mentioned on the instructions manual caught me a little off guard so I called my contact at Curt and he actually said that "mounting hooks" in that statement refer to the hooks on the safety chains themselves. He said that the cable can absolutely be connected to the tow...
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