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Old 12-18-2010, 10:11 AM
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kill switch

HELLO RODDERS. i have a question .can i hook up a kill switch .from the minus side of my coil to ground to help pervent someone from stealing my 66 corvette that we just got back ready to roll for spring. i am worried abount the transistorized ignition.it is a 427/425 all original car w/4sp. thank you for any help the big 66

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Old 12-18-2010, 10:18 AM
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I don't see why you can't install a battery on and off kill switch on the ground or hot side of the battery cables..
The only thing it kill's everything..

Like this.. I use these in all my cars I build..
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Old 12-18-2010, 11:03 AM
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kill switch

HEY NEW INTERIORS. thank you for the respond i have one on the battery now for iam away from the car and it's going to be sitting.i would wantone on the inside so idon't have to lift the hood all time thank you very much .ps like your rides
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Old 12-18-2010, 12:29 PM
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Thanks.. I don't have any Rods right now.. But will have one in the making soon.. There is a few guy's here that like to use the old ford solenoid.. I don't really care to go that way.. But it does work well.. There is a few threads about it here.. Some of the guy's that go that route, Will check in soon and let you know about it.. Good luck..
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Old 12-18-2010, 12:35 PM
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You can use a on off switch and run one wire to the - side of the coil, then to the switch, the other side of the switch is grounded. When the switch is switched to "on", the coil is grounded and will not received 12V power. Should work the same for your application.
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Old 12-18-2010, 03:05 PM
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Yes this is the best way to accomplish this.
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Old 12-18-2010, 04:37 PM
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kill switch

hi rodders. so i don't have to worry about my transisortized ignition.or is that ignition wired to the plus side of the coil. and thank you all 4such fast response i don't get along with electrical stuff jim from big 66
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Old 12-18-2010, 09:01 PM
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on my ride, the MSD 6AL box get's its 'on' signal from a small 12v wire.. (it's main power is unswitched straight from the battery).. it works like an audio amp..
this wire is just a basic push connector pushed into the ign powe tap in the fuse box...

If I have to park my car anywhere that concerns me, I pull the wire out of the fuse box, and just tuck it under the carpet.. this way there is no switch to find.. and until you figure out how to get power to the MSD box, you will kill the battery long before you get it started
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Old 12-19-2010, 09:26 AM
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kill switch

hey kc8oye. iam going to look at that very close that sounds like a good trick thank you big66
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Old 12-19-2010, 01:55 PM
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Be aware of this.
The term "kill switch" is sometimes used to describe a circuit that is used to stop a magneto ignition system as found on engines that don't have battery powered ignition. When the "kill switch" is in the ON position it connects the magneto to ground and KILLS the ignition.
The switch you are proposing is more accurately called a security switch.
This switch cannot be allowed to connect the ignition system to ground but must interrupt the circuit that powers or controls the ignition system.

vicrod
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Old 12-19-2010, 03:46 PM
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killswitch and or security switch

thank you vicrod for that good advice.now i got my wheels spinning i think iam gonna leave run and lock the doors ha ha ha thank you big 66
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Old 12-19-2010, 08:21 PM
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A neat kill switch idea that I have used is grounding the negative wire from the coil, the "tach" wire that is already going in your passenger compartment. Now, the cool way to ground it....shhhhh.......I can't tell anyone else...........simply unplug your cigarette lighter and plug your wire from the coil into it. When you leave your car you push in the cigarette lighter and it grounds that wire. It never pops because it isn't being heated. When you come back simply pull the lighter up and start your car.

Brian
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Old 12-19-2010, 08:52 PM
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Quote:
Originally Posted by MARTINSR
A neat kill switch idea that I have used is grounding the negative wire from the coil, the "tach" wire that is already going in your passenger compartment. Now, the cool way to ground it....shhhhh.......I can't tell anyone else...........simply unplug your cigarette lighter and plug your wire from the coil into it. When you leave your car you push in the cigarette lighter and it grounds that wire. It never pops because it isn't being heated. When you come back simply pull the lighter up and start your car.

Brian

pretty neat!!!!
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Old 12-19-2010, 11:00 PM
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Who would ever think to pull out the cigarette lighter so they can steal your car?

Brian
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Old 12-20-2010, 03:16 AM
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that lighter idea is cool.. except I don't have a cigar lighter any more

something the MSD instructions mention.. the 6AL has two inputs.. a magnetic input for using a O.E type magnetic trigger in the distributor, and another input for triggering the MSD box by points or an MSD distributor (like i do) they mention that if you ground the input you aren't using, it will stop the box from triggering at all making a great security feature.
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