2002 focus Shock sensor location
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=33464
Printed Date: August 15, 2025 at 8:15 AM
Topic: 2002 focus Shock sensor location
Posted By: kragan79
Subject: 2002 focus Shock sensor location
Date Posted: June 07, 2004 at 1:08 PM
Anyone have any recommendations of placements for the shock sensor. I am installing mine into a 2002 focus and where I have it right now I can pretty much rock the car back and forth and it does not go off. Thanks
Replies:
Posted By: deviousjoker
Date Posted: June 07, 2004 at 2:06 PM
a shock sensor does NOT trigger if the vehicle is rocking......a shock sensor does what it's called....it detects a shock, IE hitting the vehicle, not rocking....... but usually I mount the shock sensor to the ign. harness.......mounting it to the metal seems to have a lot more false arming. ------------- First Class MECP Installer
Posted By: kragan79
Date Posted: June 07, 2004 at 2:50 PM
when I first installed it I woud bump the car with my hip or even just tug on the door handle and it woud give me the warn away, but now it does not do it.
Posted By: auex
Date Posted: June 07, 2004 at 4:48 PM
That is not how they are desinged to work, and if it even warned away then it was too sensitve. SHOCK SENSOR=IMPACT not rocking or motion.
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Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: kragan79
Date Posted: June 08, 2004 at 1:35 PM
As in my second post wher I explained that I "would bump my car with my hip" that is clearly an IMPACT. And I would like the alarm to warn away with someone tugging on the dorr handle as well. What good is it if they pry the lock out of the door and the alarm doesn't go off until the door is open and the damage is done to the lock already? I know what you are going to say "Get a motion sensor" but those things are very inconsistent and unreliable. Had one on my old car and it was a nightmare.
Posted By: Autoobsession
Date Posted: June 08, 2004 at 6:58 PM
The best place for a shock sensor to be mounted is on the metal of the sterring column under that dash.
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Posted By: auex
Date Posted: June 08, 2004 at 7:41 PM
As my first post stated, it was too sensitive in the first place. What part of "if it did do anything when you bump it or jiggling the handle then it is too sensitive" did you not understand? The next thing you will be asking is "why is it going off for no reason?". Also if it worked so well when you first installed it, then why did you move it? I love attitude.
-------------
Certified Security Specialist
Always check info with a digital multimeter.
I promise to be good.
Tell Darwin I sent you.
I've been sick lately, sorry I won't be on much.
Posted By: JWorm
Date Posted: June 08, 2004 at 8:31 PM
I love customers that touch the car with barely a finger and expect the warn away to work. What do you think will happen when it rains or snows? How about when the garbage trucks drives up to your house every week and shakes the ground? Motorcycles drive by your house? Birds poop on your windshield? Want all those things to set off your alarm?
Reminds me of a customer that drove me nuts at my shop. She also had a Focus. I set up the shock sensor as I normally do. She comes back a couple days later saying someone put an inch long scratch in her windshield and she wanted to know why her alarm didn't go off. I turn up the shock sensor about an 1/8 of a turn. Couple days later she comes back wanting it turned down because now its going off for no reason. I turn it down a hair. A couple days later she comes back saying its not sensitive enough. I tell her to get a motion sensor if she's that paranoid.
Anyways, I'll try to be helpful now. Best place to mount the shock sensor is to a really thick wiring harness under the dash. Unfortunately, a Focus doesn't have many, if any, really thick harnesses. If you find one, tie wrap the shock sensor with a 15 inch zip tie to the harness and adjust from there. Those 6 or 8 inch tie wraps won't cut it. Just remember to wait at least 20 seconds after arming the alarm before testing the shock sensor with an "impact".
Posted By: deviousjoker
Date Posted: June 09, 2004 at 9:13 AM
the whole principle of an alarm system is to warn away a potential theif with the LED and to keep your car from being stolen by hot wiring the vehicle. so if someone pops the lock......the led didn't work......then the next line of defense is your shock sensor and door triggers........if these don't work then you'll lose your valuables.....but your car is still there ------------- First Class MECP Installer
Posted By: kragan79
Date Posted: June 09, 2004 at 12:08 PM
I did not want to start anything, I was just looking for advice. The attitude started with the comment "SHOCK SENOR = IMPACT" .... well no sh!t buddy. And too sensitive is up to the owner of the vehicle .... ME. I will decide what is too sensitive to my personal preference. I can understand the headaches of an installer. I worked in retail electronics all through college and I have nothing but sympathy for you guys, the general public can be and will always be, an absoulute nightmare. I had a simple question and was looking for a simple answer. I posted the same question on another forum. I got the simple straight forward answer from them. Funny thing is there are a ton of flamers on that forum, and almost none on here. For those of you that did offer there help, I thank you.
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