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Discussion Starter #1
First off...I'm assuming anyone doing this upgrade is familiar with basic car wiring procedures. So do it at your own risk.

This mod will add a blinking LED to the area of the audio unit....or anywhere that's visible. You want someone standing outside the car, to instantly see this blinking light. You can see it during the day-time and of course at night. It works independently from your own security system (or even if you don't have one). This light stops blinking (turns off) when the ignition is on.....and blinks the rest of the time. Here's how to do it.....

Acquire the blinking LED....I got mine at Walmart. I think Radio Shack has similar lights.



Remove the radio bezel. On my '06 it just pops loose using a thin blade of some sort...there are six pins around the edges. I used the power wire to the lighter socket.....spliced into it using a "scotch-loc". This wire has 12V all the time. It goes to the red (power wire) of the LED.

Now the other LED wire is the trick....if you just go to a ground, the LED will blink all the time. At night that is annoying when driving. So.....I used a wire circuit that is a ground all the time, except when the ignition is on. Happens to be the fuse #41 circuit (there are others). So I spliced the second wire from the LED to this circuit, using a simple fuse tap from Auto Zone. Be sure to put removable connectors on the LED....so you can completely remove the bezel if necessary. And secure the new wiring or wrap it with foam so it doesn't rattle.



Now when a potential thief looks into your interior, he knows (thinks) you have an armed security system.....unlike my OEM Ford system which gives no indication it's armed. I sleep better at night with this blinking light....used the same system on my last three cars. The current draw is negligible.....it'll blink for months with a good battery. [cool]

 

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Detailing Freak
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and all someone has to do is rock your car back and forth hard enough to see if there is an alarm or not
 

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Discussion Starter #6
You're talking about a motion alarm.....which my stock system does not have, but could be added easily enough. There are unlimited ways to rig up your alarm system. My last silent alarm system came with a pager....made no noise at all, just beeped the pager (if you set it that way). Let you take out the thief by yourself.

The whole idea here is to put doubt in the mind of a potential thief. This setup looks real enough to scare off all but the most hard-core car thief. Face it....your car can be stolen or just broken into by somebody determined enough. But there are of plenty of cars that are easy.....not much sense for a thief to pick one that may be a problem.
 

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Detailing Freak
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no, the shock sensor WILL cause the alarm to sound if you rock the car back and forth

motion sensors detect motion around the car

i would know, as i have both
 

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Discussion Starter #9
When I'm at home at night, which is usually the case, the Focus sits in my front driveway, right by the house. If anyone walks within 20' of the car, the house motion detector turns on a bunch of lights and the whole car is lit up. And it's then bright enough to see everything with the security camera, which is pointed at the car.

The little blinking light just adds to the system.....and gives more security when I'm parked away from home. This little mod is cheap enough and fairly easy to install.....only two wires. Worth the trouble for me. Since I've been installing this blinking light mod (ten years at least), none of my cars have been touched, not at home or elsewhere. (fingers crossed)
 

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wait.. so some foci came without a stock blinking led right by the hazard or emergency lights switch (4way flasher or w.e. u call it)???
 

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Discussion Starter #12
No matter what sort of security system you have, a thief can break in. He may not be able to start the car, or anything else......but can inflict a lot of damage.

This simple mod, which can be installed on virtually any car even with no other security system, gives the thief the impression your car is protected. And if nothing else valuable is visible in the interior......he might just break into the car down the street that shows no sign of a security system.

That's the best you can hope for.......
 

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I think it's a great idea. I totally understand what you mean, bluefront. If they see the blinking light, they'll skip your car and move on to the next that doesn't have the blinking light. Great write-up, as always.
 

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Its just one of those things that may or may not help. I like it, its suttle for being so helpful. I'd mount it in the dash up by the windsheild, so they'll see it before they even touch the car.

Ohh btw I've seen a Benz I think it was that had one on the rear view mirror. I thought that was pretty cool, nice and noticeable. Though if someone was at the door, they wouldn't see it...
 

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Discussion Starter #16
You could actually install several of these things if you wanted......the current draw is next to nothing.

I mounted it next to the audio unit. That's probably the first thing a potential thief looks at, and the thing most frequently stolen. When I upgrade this stock system, I'll probably do my cable trick.

You screw a cable to the rear of the unit. And you feed the cable behind the dash as you're doing the install. Be sure you go behind some heavy metal piece. Then you find somewhere around your feet to bolt down the other end of the cable. If anyone tries to steal the unit, he can remove the screws, but thing won't come out.......not unless he knows where the other end of the cable (which he can't see) is fastened.

Another cheap security mod.....[thumb]
 

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I'd go even further then that, put it inline with the horn in your car and make it trigger the horn when pulled too hard.
 

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Discussion Starter #19
There are several ways to do it......using the Ford security system. It's a matter of mounting a switch that grounds when you unscrew one of the mounting screws. Or you could rig a cable that pulls a switch as you remove the audio unit....or the bezel for that matter.

This new grounding switch is spliced into a door switch wiring.....the system thinks a door is being opened. If you wanted a separate system from the Ford security, you could just rig up another horn somewhere that blows when the audio switch is tripped.

I still think a system that deters the thief from touching the car is the best go......
 
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