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Old 11-17-2008, 04:52 PM   #1
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Kill switch install

I know it's been talked about before regarding the ignition wires, but what about the fuel pump? I have a tuffy console that I open up every time I get into the jeep to retrieve my faceplate, and lock it up when I park. I'm thinking inside the console would be a perfect place for a kill switch. Anyone know how to install a switch on the fuel pump? It should be easy enough to run it up into the console.

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Old 11-17-2008, 05:14 PM   #2
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i would suggest interupting the ignition circuit with the switch. then w/ the switch off, no crank, no power, no fuel. not the starter circuit, but the main ignition. just my initial thought.

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Old 11-17-2008, 06:10 PM   #3
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pull the pump fuse.. jump that through the switch just like you do when you replace the fuel filter..

Dave, i think it will be obvious that there is something stopping it from starting if it doesnt do anything when you try to start it.. if it starts and dies.. perhaps its "broken"? i wouldnt want to steal a broken jeep. lol hope u get what i mean
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Old 11-17-2008, 06:24 PM   #4
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i wouldn't want anyone crankin the crap out of my jeep. if the jeep doesn't start they will move on usually. if they are for real, it doesn't matter what you do, they'll get it. but that is uncommon.

most guys trying to steal a jeep are stupid, and will move on quickly.

invest your money in low jack if you're that worried.
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Old 11-17-2008, 07:12 PM   #5
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Wire a simple on-off switch into the ASD (auto shut down) relay control coil wiring. If the ASD relay (located inside the PDC... Power Distribution Center) doesn't energize, the engine can't be started and not many thieves are going to know anything about the ASD relay and what it does.

Hide any switch in an unlikely hidden spot, the console isn't that unlikely for something like that.
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Old 11-17-2008, 07:16 PM   #6
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lol wire it to the fog lights switch and then rewire the fog lights switch to some other aftermarket switch!!!
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Old 11-17-2008, 07:41 PM   #7
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^ i have seen things like that, i worked on a car where you had to hold the wiper arm up to crank it. kinda cool
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Old 11-18-2008, 03:25 PM   #8
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I found the writeup for the ASD scenario with the magnet. I'm not sure if I am going to use the magnet setup, just thinking of a switch locked in my tuffy console. Thanks for all your input. Any negatives in placing a kill switch in the tuffy? I open it every time I'm in, and lock it every time I'm out.
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Old 11-18-2008, 03:56 PM   #9
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put switch inside console.. make sure you use the proper gauge wires and the proper on/off switch.. its very simple to do and its sweet when your friends take ur keys and cant start your car...
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Old 11-18-2008, 04:27 PM   #10
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Giancarlo, is 18 gauge fine for this?
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Old 11-18-2008, 04:47 PM   #11
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18 gauge is probably fine but I'd go 16 if it were me. The slightly larger wire size would be a good idea for such a critical circuit in that it's a bit more rugged and has slightly heavier insulation. Be sure to install only a first-quality switch too, you don't want a cheap switch failing in this particular type of circuit.
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Old 11-18-2008, 05:58 PM   #12
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good point jerry... my first time around i used 16 gauge wires and a cheap switch.. it worked for a few monthes but one day down the shore it failed... i panicked and didnt know what to do... i then just eliminated the switch and closed the circuit but connecting the wires... but still didnt start... when switch died it burned a fuse.. so make sure you use good wires make proper connections and use a good switch... my switch is so hidden and the wires are run so perfectly its great for what i need it for
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Old 11-19-2008, 10:37 AM   #13
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This thread has instruction for the circuit to interface with to keep the vehicle from running. I used a regular relay with a fuse and two hidden switches in the interior as opposed to the magnetic switch in the link.

Updated – TJ Theft Protection ADE/ADE-II w/Light Chaos - JeepsUnlimited.com Forums
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Old 11-19-2008, 11:11 AM   #14
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i heard some guys who put an on and off push switch behind the brake pedal.. its a sweet spot for it.. or inside the steering wheels rubber casing..
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Old 09-18-2009, 01:16 PM   #15
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Appeal for Kill Switch Help

Good afternoon!

I'm a brand new owner of a '97 TJ (4-cyl). Since I live in DC and have to rely on street parking I really want to install the simplest of hidden kill switches.

I'm a confident DIYer and have undertaken several projects on previous cars, but this one eludes me. Yes, it's a simple car, relatively speaking, but I need to find the correct wires to put the switch on.

Is there any chance one of you might post a detailed description and - better yet - photo of the right wire to interrupt? It's all well and good to say "the fuel pump wire" or "fuel pump fuse" or some other component, but when even Google won't reveal the location for these wires I can't put a switch on them.

Your help would be extremely appreciated.

Thanks!!
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Old 09-18-2009, 02:07 PM   #16
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i wouldnt want it to fuel pump. having someone crank my jeep with no gas is gonna give more problems in long run, kill switch to starter is best, if they realize nothings happening when they turn key they will either move on if there amature. if there legit which anyone with basic understanding of stealing cars would look for kill switch.. so run your wires as if there stock wires, run them in casings or in nooks dont let them be obvious. and any professional wont bother with this thell flat bed you away in minutes. lo jack is good idea. kill switch is first step in theft prevention
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Old 09-18-2009, 02:11 PM   #17
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Giancarlo - Thanks for the input. Frankly, any wire is fine with me, I'll do the starter wire, too. But which wire is it? Do you have a photo or exact description?

Thanks!
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Old 09-18-2009, 06:18 PM   #18
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i couldnt show you wire cuz i have it run into the fuse panel in the engine and the wire runs thru the wire holders that came stock with the jeep. my wiring is completely hidden..
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Old 06-16-2010, 12:10 PM   #19
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Quote:
Originally Posted by Jerry Bransford View Post
Wire a simple on-off switch into the ASD (auto shut down) relay control coil wiring. If the ASD relay (located inside the PDC... Power Distribution Center) doesn't energize, the engine can't be started and not many thieves are going to know anything about the ASD relay and what it does.

Hide any switch in an unlikely hidden spot, the console isn't that unlikely for something like that.
I have looked at this and have no idea what or where to wire in the simple switch. I see the relay and have no idea how to proceed from there. I am not dumb when it comes to electonics until now. Can you give any of us some more information as to what we are looking at? Thanks.
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Old 02-27-2011, 06:53 PM   #20
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Not sure what you thought that link went to, but the title on that page is -
" 1996 Limited 5.2L waterpump replacement and thermostat"
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Old 02-27-2011, 08:00 PM   #21
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Old 02-27-2011, 08:29 PM   #22
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Originally Posted by Euroboy
Good afternoon!

I'm a brand new owner of a '97 TJ (4-cyl). Since I live in DC and have to rely on street parking I really want to install the simplest of hidden kill switches.

I'm a confident DIYer and have undertaken several projects on previous cars, but this one eludes me. Yes, it's a simple car, relatively speaking, but I need to find the correct wires to put the switch on.

Is there any chance one of you might post a detailed description and - better yet - photo of the right wire to interrupt? It's all well and good to say "the fuel pump wire" or "fuel pump fuse" or some other component, but when even Google won't reveal the location for these wires I can't put a switch on them.

Your help would be extremely appreciated.

Thanks!!
I'm with you. I am very interested.
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Old 02-27-2011, 08:36 PM   #23
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I wired mine into the ground wire on the asd relay. If you pull out the PDC under the hood you can see the wires running to the relay, I used a voltmeter to determine which was the ground and tapped into that. Works perfectly.
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Old 02-27-2011, 08:42 PM   #24
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I was thinking to hook it up to the clutch pedal sensor.

so even if you press the clutch it wont register and it wont crank :]
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Old 02-27-2011, 08:49 PM   #25
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Use something that doesn't look like a switch. Thieves are used to looking for a switch.

On mine I have something that interrupts the fuel pump rely without even remotely looking like a switch. Even if they crank the battery all the way down they didn't get the Jeep. And I can jumper it from my 2nd battery anyway so I'm not stuck.

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