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Old 09-07-2015, 08:49 PM
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Angry Someone is trying to steal my YJ! Alarm system help!

Today after I got home from work, my dad noticed that the rubber at the bottom of my window was pushed down on the drivers side of my Jeep, like someone was trying to use something to open the truck. What they obviously don't realize is that it's pretty much impossible to open it that way because of the way the mechanisms work inside the door. It was fine this morning at 10:30 when I got to work but when I closed the door to only open it again because I had left something in the truck, the handle breaks! I just know that someone has been ****ing with it! It's the only explanation! I need an alarm system! All it has is an aftermarket anti-theft device which doesn't allow you to start the car without this other "key" that I keep on my waist at all times, but that isn't enough obviously! I'm totally at a lost here. Does anyone know of an alarm system that I can install that would work with this old thing? Please help! Thank you!
-Tia

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Old 09-07-2015, 08:56 PM   #2
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I would consider an inexpensive battery disconnect switch installed inline on the feed cable to the starter. One like this would work :
http://www.amazon.ca/WirthCo-20387-B...connect+switch

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Old 09-07-2015, 10:06 PM   #3
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I installed a kill switch on another vehicle I had, and actually took it out to put in my Jeep but haven't gotten around to it.
Here are a few options, I've researched this to death:
Starter wire in steering column (obviously just break the circuit and run a switch; put in a relay if you plan on running more than a few feet of wire)
Distributor "dizzy switch" (not sure how it would work, but I've seen it done)
Starter fuse

Now the starter fuse was the one that I did, because with the other vehicle, I could go into the fuse box inside the cab. I took a pair of cutters and snapped a fuse in half (use a blown fuse if you have one, or just grab a fuse next time you go to the junkyard). I then took the prongs, and soldered them to bare ends of speaker wire, with some heat shrink on it. I put the two prongs into the fuse spot. Then I ran the wire to a convenient hiding spot, then put an inline fuse on the circuit.

If I were to do this again, I would take apart the fuse box and find one of the actual wires on the circuit to break. It would be cleaner and less noticeable, an important concept when tricking a thief. If you're tapping into the starter fuse, however, it would be better to just break the starter wire. Just do it in a spot where the thief wouldn't see if he/she were trying to hot wire it.

Cheap but good speaker wire here.
Video of how I got the idea for a switch:
https://www.youtube.com/watch?v=MKP7hu8GKb4

Another tip:
Add a brake light kill switch. As odd as it sounds (I was thrown back by it), it is actually a really good idea. The logic is that if it is stolen, any cop who gets behind the Jeep will pull it over, and see that it was reported stolen. Bam. One less thief, and you get your Jeep back hopefully fairly soon afterwards.
Put in a switch that has a light that comes on when it is activated, and put it in a spot where you'll see it. That way you won't accidentally drive without brake lights.

The wire for the brake lights is in that wire wrap on the driver side under the door. I'm not sure which color it is, but I know it's not purple or black. Purple is reverse, and the two black wires are grounds. Keep in mind that this is simply a wire for a filament. It activates turn signals and hazards as well. The light bulb has two filaments: one is dim and is only tail lights, but the other is bright and is activated in addition to the other filament for brakes, turn signals, and hazards.

To test which is the brake light, pull the red plastic cover off of the driver side tail light, then undo two hex bolts. The whole housing will pull out. Take the clip off, and put a multimeter (or just a voltage tester) into the clips. Black lead in one of the black grounds, and red lead will be the tester. Turn off the tail lights, signals, and hazards, and make sure that the transmission isn't in reverse. Have a buddy hit the brakes. The wire that has ~12-13 volts when the brakes are hit is your man. If there are two (which I think there should be), then turn on the tail lights and test. The one to kill is the one that isn't the tail light.

There is a lot of info, I know, but I hope this helps. Reply or PM me for extra help. My Jeep is my baby too.
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Old 09-07-2015, 10:07 PM   #4
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Also think about a steering wheel lock or brake pedal lock. Depends on how much effort you want to put into starting your Jeep.
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Old 09-07-2015, 10:31 PM   #5
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On the alarm on my Harley I had a fob that would buzz and flash if the motorcycle was moved at all. I used to road trip a lot and you never know where you will end up sleeping for the night. The buzzer and a .45ACP helped me sleep soundly.
Check out your local car stereo shop for a similar alarm. Then head to your favorite gun store. Take the course & get your permit.
A "club" lock from the steering wheel to the brake pedal should deter an amature. Good Luck, L.M.
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Old 09-08-2015, 12:42 PM   #6
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Don't happen to own a shotgun do you??
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Old 09-08-2015, 12:56 PM   #7
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Truth is, any alarm will work as long as it has starter kill. I had a prox sensor on mine to go off whenever someone stuck their hand into the jeep. Would always go off so I took it out. I also wired the hood and added a hoodlock. But if someone wants it bad enough...they'll get it
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Old 09-08-2015, 06:29 PM   #8
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I've been pretty trusting about leaving the jeep parked around town. But last month some ash-hat backed into my Beemer when it was parallel parked. Yeah, the alarm went off and it gave me the "I've been violated!" signal when I got back, but of course they just drove away and left me with a pushed-in grille.
What is needed is a 360° camera linked to the alarm, that will record and transmit photos and/or video when tripped. So I went on line and found that such things do exist - even ones with built-in motion/shock detectors. I haven't seen one that specifically links to an existing alarm system. yet.

The alarm system on my old 4-runner did appear to scare people off a few times, over the 24 years I had it, after they'd jimmied open the door. I guess nobody's afraid of a blinking LED. Or at least people who are stoned out of their minds aren't. But once they crow-barred the stereo out of the dash and left a big mess. I guess that only takes a few seconds.
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Old 09-08-2015, 10:34 PM   #9
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Definitely get a 2 way alarm with a kill switch. Also you can get a manual button kill switch that you can hide in the location of choice for the fuel pump (I'd advise NOT under the dash since thats most common).
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Old 09-08-2015, 10:48 PM   #10
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Quote:
Originally Posted by MudMagnetYJ View Post
Also think about a steering wheel lock or brake pedal lock. Depends on how much effort you want to put into starting your Jeep.
The steering wheel lock is defeated simply by cutting the steering wheel itself and sliding the lock off. Brake pedal lock is just a PITA.
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Old 09-12-2015, 11:00 PM   #11
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The steering wheel lock is defeated simply by cutting the steering wheel itself and sliding the lock off. Brake pedal lock is just a PITA.
That's a weakness of it, but most of these ideas just add time to the theft. Anything can be overcome with a Sawzall or angle grinder, and/or with some wire strippers and screwdrivers.
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Old 09-12-2015, 11:10 PM   #12
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Security lights in your driveway help , I keep an empty holster and spent casings in my jeeps
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Old 09-13-2015, 09:35 AM   #13
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Security lights in your driveway help , I keep an empty holster and spent casings in my jeeps
ha! I do too, but never thought of it as a theft deterrent
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Old 09-13-2015, 12:48 PM   #14
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Quote:
Originally Posted by MudMagnetYJ View Post
That's a weakness of it, but most of these ideas just add time to the theft. Anything can be overcome with a Sawzall or angle grinder, and/or with some wire strippers and screwdrivers.
Yes you give a thief enough time he'll steal the presidents airplane.. thats the point to antitheft devices.. they arent there to completely prevent it, they are there to slow it down as much as possible.
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Old 09-14-2015, 08:07 AM   #15
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I thought this product would be a good deterrent. And easy enough to remove/replace.

http://simjack.com:8185/

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Old 09-14-2015, 08:18 AM   #16
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My dad used to remove the rotor on his CJ6 when it was parked. The cap would go back on afterwards to hide the fact that the rotor is missing.
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Old 09-14-2015, 10:53 AM   #17
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I vote for the shotgun and/or .45 theory
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Old 09-14-2015, 03:35 PM   #18
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Yes you give a thief enough time he'll steal the presidents airplane.. thats the point to antitheft devices.. they arent there to completely prevent it, they are there to slow it down as much as possible.
You essentially need something that will either take the thief more time than the 8 hours you're sleeping, or cause noise to wake you up during those 8 hours. A friend of mine had two of his cars stolen while he was asleep simply by dragging the vehicles up onto a flatbed. It's easy enough to jack up the vehicle, put sliders underneath, and winch it up onto a flatbed. It's just a matter of how many people could possibly see/hear this going down.
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Old 09-14-2015, 08:26 PM   #19
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What makes you so sure that they are trying to steal your Jeep?
Just because they tried to gain entry doesn't mean they want the car - they may be more interested in what they think you may have left in the glovebox or console. In that case you can easily lock up any Justin Beiber CD's and Air Supply cassettes in your Gunvault Nano available from Amazon.com. Sorry, but 8-tracks just won't fit.
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Old 09-14-2015, 08:32 PM   #20
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Just be careful if you do a fuel pump cut off. my fuel pump died so I replaced it with an electronic one with a manual switch, I came out of a store one day to find a traffic jam in font of the store caused by my jeep about 50 yards down the street, turns out someone stole my jeep and only got that far with the gas that was in the line. I was pissed but now it's a funny story. So it's kinda a theft deterrent but an unplanned one😆
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Old 09-15-2015, 01:23 AM   #21
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Fuel shut off relay/switch


Night vision trail camera to catch the perp?
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Old 09-16-2015, 01:40 PM   #22
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Quote:
Originally Posted by MudMagnetYJ View Post
You essentially need something that will either take the thief more time than the 8 hours you're sleeping, or cause noise to wake you up during those 8 hours. A friend of mine had two of his cars stolen while he was asleep simply by dragging the vehicles up onto a flatbed. It's easy enough to jack up the vehicle, put sliders underneath, and winch it up onto a flatbed. It's just a matter of how many people could possibly see/hear this going down.
Get a 2 way alarm that will wake you up as soon as someone gets near it.

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