wiring a hidden kill switch on the ignition - JeepForum.com

 
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post #1 of 4 Old 08-05-2008, 10:07 PM Thread Starter
LostINohiO
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1985 CJ7 
 
Join Date: Aug 2008
Location: SW Ohio
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wiring a hidden kill switch on the ignition

please give me some creative options for wiring a kill switch into my cj7...


I have the feeling i need to add more security features as I clean up my ride.


a secret switch couldnt hurt


what do i need to know about wiring in an extra security switch?


1985 cj7
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post #2 of 4 Old 08-05-2008, 10:33 PM
79BlackPearl
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1979 CJ7 
 
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Location: Bossier City, LA
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Do a search of the JeepForum (JF) for what you are looking for. There are hundreds of posts about what you are needing. Search for "hidden kill switch", or "hidden starter switch" or hidden magnetic reed switch.

You should be able find all that you need.

Here is a start: http://www.jeepforum.com/forum/showp...93&postcount=7

Good Luck

79BlackPearl
79 CJ7, 3" Lift, 360 V8, Edelbrock Performer Intake, Comp Cam, Holley 650 Truck Avenger, Hedman Headers, Moser Axles, Herculiner, Warn M8000i, 33" Timberlines

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post #3 of 4 Old 08-06-2008, 10:23 AM
JeepHammer
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1973 CJ5 
 
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Quote:
Originally Posted by LostINohiO View Post
please give me some creative options for wiring a kill switch into my cj7...


I have the feeling i need to add more security features as I clean up my ride.


a secret switch couldnt hurt


what do i need to know about wiring in an extra security switch?
With an '85, if you do it wrong, you will kill your ignition module and maybe your ignition coil.

Most people ground the ignition coil to 'Kill' the ignition.
Since Jeep used a DuraSpark ignition module, you can't do that in the traditional sense...
Grounding out the coil with the power 'On' will fry the ignition module and maybe the coil...

I would suggest a switch in the wiring going to the ignition, before it gets there, so things don't work, instead of being grounded out...

It's easy to interrupt the 'Red' wire going to the module, and route a switch in that line...
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post #4 of 4 Old 08-06-2008, 01:38 PM
ajeepman
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Be careful using a reed switch inline with your neutral safety switch like that thread explains. If you use a magnetic reed switch inline with your neatral safety switch what happens when you stall it out in traffic? You have to go stumbling around for that magnet to get it started again and hope not to get rear ended in the process. Below is a link to read through and there is a more complex set up which is "much safer" but it is written for the TJ's. I'm sure you can wire it up in a similar way to latch a relay after the magnet has been placed against the switch until the actual ignition is turned off. This way when you stall it out the key remains in the on position thus keeping the relay active allowing you to restart with out the magnet. Once the key has been turned off you'll need the magnet again. The link to a safe way of doing this is below but as I said it will need to be adapted to the CJ. Mr. JeepHammer can most likely come up with some sort of wiring diagram if you ask nicely

http://jeepsunlimited.com/forums/sho...d.php?t=530365

02 TJ Silver 4.0 5-speed
4" procomp susp w/ 3" BL
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