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Robacpuller 
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Joined: 07 Apr 2016
Location: Wisconsin
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 Topic: kill switches
Posted: 19 Feb 2017 at 8:21am |
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What r people using for tether switches on there tractors?
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Dans 7080
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Joined: 05 Feb 2010
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Posted: 19 Feb 2017 at 8:50am |
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For a spark ignition a lot of people use a trailer breakaway plug. Its the switch that's designed to apply the trailer breaks if the trailer comes unhooked.
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When someone tells you Nothings Impossible, Tell them to slam a revolving door
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Robacpuller
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Location: Wisconsin
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Posted: 19 Feb 2017 at 9:10am |
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They r normal open I think, I have one how do u wire it.
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Dans 7080
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Posted: 19 Feb 2017 at 9:26am |
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Im not exactly sure how they are wired. I would think if it was wired to ground out the coil it would eliminate the spark to the engine.
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When someone tells you Nothings Impossible, Tell them to slam a revolving door
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cwhit
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Joined: 12 Sep 2009
Location: Sigel IL
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Posted: 19 Feb 2017 at 12:26pm |
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We use a cheap 4 prong trailer round plug. Had to put a hook on the end for the tether and pop the spring loaded locking cap off. Probably not something you would use if your running a $ 10,000 engine and a $ 3,000 paint job. Lol.
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Robacpuller
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Location: Wisconsin
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Posted: 19 Feb 2017 at 3:40pm |
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That's a good idea.
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
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Posted: 19 Feb 2017 at 4:47pm |
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Anyone using a trailer breakaway switch to ground out their distributer is asking for a fire. causing a dead short in the wiring will heat things up quickly. I've always used an electrical outlet. then loop a wire to both terminals of a plug, then right there is the loop for the sled tether to snap to.
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If it was fun to pull in LOW gear, I could have a John Deere.
If you can't make it GO... make it SHINY
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mjbower
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Joined: 04 Oct 2009
Location: Michigan
Points: 255
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Posted: 19 Feb 2017 at 6:18pm |
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Look up seadog personal watercraft kill switch on ebay I bought two of them seem like the best way to go. Please don't use a trailer break away on a distributor it's not a good idea. trailer break away works perfect for a magneto though.
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Robacpuller
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Posted: 19 Feb 2017 at 7:02pm |
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Thanks for ideas,I won't use brake switch,I like idea of 4 prong outlet. I bought a tether on the Internet it did not say that it was an open switch.
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dawntreader74
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Posted: 19 Feb 2017 at 8:01pm |
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the brake away switch works fine' all it dose is cuts of the power to the coil' shuts off motor' has nothing to do with any fire or getting anything hot' when it's pulled everything it dead
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bsallis180
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Joined: 29 Jul 2013
Location: Pennsylvania
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Posted: 19 Feb 2017 at 8:09pm |
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The ones I have seen on alky tractor are simply a 3 prog yellow extension cord repair plug. Use a 2" ring with a jumper inside from one prog to other to make contact. Then have a small 1/2" eyelet beside the plug with a standeard electrical zip tie threw the eyelet and ring to hold the plug from coming out so easy. But will bust when cable is pulled. I do not know what connection is being broken when it's pulled. I'm sure it's Power ignition wire
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
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Posted: 24 Feb 2017 at 2:20pm |
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Anyone that thinks a trailer breakaway switch will not cause a fire when it has tripped should connect both wires of the switch to a good 12V battery, then a rag on the switch and pull the trip. The dead short will set the rag on fire quickly. If you had a tractor breakaway from the sled and were pinned in the cage unconscious, would you want you wiring harness getting hot enough to burn things?
A trailer switch should ONLY!!! be used for Magneto ignitions.
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If it was fun to pull in LOW gear, I could have a John Deere.
If you can't make it GO... make it SHINY
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KevinON
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Posted: 24 Feb 2017 at 2:31pm |
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I used a two wire extension cord and spliced it into my power wire to the coil. The plug has to be in as mentioned above to complete the circuit. Once it is pulled, power is interrupted to the coil. Simple fix. This is used on my Allis 716 garden tractor puller. Guys do use the trailer breakaway switches, but they wire a fuse into is so the fuse blows first, then no fire. HTH.
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CAL(KS)
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Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3734
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Posted: 24 Feb 2017 at 4:11pm |
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i use a break away switch. its normally open so when pulled it closes the circuit and grounds the coil, thus no spark. this is on antique so no cages or speed for that matter. my ignition system is also on a fuse.
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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Robacpuller
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Posted: 24 Feb 2017 at 8:05pm |
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I have one of those switches I bought on Internet for 10 bucks. Do u ground the positive side of coil? I have a pertronix set up in disributor it wont damage that will it or anything else. How do u wire it. Does black wire go to ground and red to positive side of coil
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HudCo
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Joined: 29 Jan 2013
Location: Plymouth Utah
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Posted: 25 Feb 2017 at 9:53am |
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on that battery ignition you want to distrupt the power (break the power supply to the coil ) not short it out, grounding it out is for magnetos , i would go with the extension cord ends so that the ignition wire size can be kept up. atv water craft tether swithes are not very reliable after they get pulled a few times but know some last better than others
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pabob
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Posted: 25 Feb 2017 at 7:23pm |
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Safe way to use trailer brake switch is to wire an ice cube relay in the circuit. When the break away is pulled it energizes the relay and the NC contacts(which you wire your ignition thru) open and shuts down your tractor. No shorting and no fuse to replace before you can restart tractor.
Shorting a distributor ignition, especially an electronic one is asking for trouble.
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HudCo
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Posted: 27 Feb 2017 at 8:58am |
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use of relay is good idea
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pabob
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Posted: 27 Feb 2017 at 9:09am |
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Thanks Mike, I have used both the extension cord/plug and a breakaway switch. Like the clean looks of the break away switch and relay even though it goes against my normal adherence to the KISS method on most things.
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CAL(KS)
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Posted: 27 Feb 2017 at 9:35am |
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i agree that cutting the power is the best method. the way I went is very simple, clean and lightweight and most likely to never be used at 3mph anyway, and worked with the switch i had on hand.
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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EricSWPA
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Posted: 28 Feb 2017 at 10:21pm |
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I used one but added a cheap automotive relay with NC contacts so when the switch is pulled and the relays energized it opens the contact killing the ignition.
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EricSWPA
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Posted: 28 Feb 2017 at 10:22pm |
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Missed this was stated sorry
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