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  1. #11

    Default

    Quote Originally Posted by TSi+WRX
    armscrafter1 -

    I'd like to pass-on some thanks coming from the LGT.com members. Those who've seen/are-seeing the issue are going to attempt your resolution.
    This is a very useful forum and I wanted to contribute. I would be interested in hearing how it works out for others.

  2. #12
    Professional
    Join Date
    Oct 2006
    Posts
    1,299

    Default

    for more effectiveness, wrap the wire several times in (and around) the ferret core

    instead of a wire like this: _____
    wrap the wire like this: __O__
    the O goes inside and around the ferret

  3. #13
    Old Timer
    Join Date
    Jun 2005
    Location
    New Hampshire
    Posts
    6,806

    Default

    Quote Originally Posted by ahmadr
    for more effectiveness, wrap the wire several times in (and around) the ferret core

    the O goes inside and around the ferret
    Huh? Wrap the wire in/around a ferret? :shock:

    One of these?



    If I'm passing you on the right, YOU are in the wrong lane!

    If speed kills, how come I'm still alive?

    Active Countermeasures: V1 3.858, Escort Redline, Beltronics STi-R+, LI Dual 7.1x CPU/8.7 Heads (front)
    Other/Backup Countermeasures: V1 3.813 (loaned to friend), Beltronics Pro RX65 M4 6.3
    Vehicle: 2002 Audi A4 1.8T Quattro
    LEO Toys: Kustom Pro Laser II & III
    Encounters/Saves August 2011: Radar 3/1, Laser 0/0


  4. #14
    Lead Foot
    Join Date
    Jan 2006
    Location
    Ohio
    Posts
    444

    Default

    Quote Originally Posted by kpatz
    Quote Originally Posted by ahmadr
    for more effectiveness, wrap the wire several times in (and around) the ferret core

    the O goes inside and around the ferret
    Huh? Wrap the wire in/around a ferret? :shock:

    One of these?



    Is that ferret named ferrite??

  5. #15

    Default ferritic ferrets

    This is so funny. What a great ferret picture. Who the hell would mess with his core, or try to put a ferret choke on him? I wouldn't try to wrap anything in or around him! :shock:

    I just don't think these type of ferrets are going to work for this project.

  6. #16

    Default Re: ferritic ferrets

    *****

  7. #17

    Default not quite there yet

    I took off from a stop light on wet pavement last night and got on it really hard (let the WRX STi spin all four for a while!). Got me the first false laser alert I've had in over a week. Then another. Then a strange one that was sorta delayed from the high tach reading. I think the (now newly named) Ferret Choke is working, but not quite enough. The delayed alert makes me think there is some sort of harmonic thing going on with the inductance that maybe overloads it or passes thru it. I'll study up on adding the capacitor and probably go for that next. I'll try to place it in my patch cord arrangement so it can still be removed without problem or damage.

  8. #18
    Old Timer
    Join Date
    Jun 2005
    Location
    New Hampshire
    Posts
    6,806

    Default

    Did you simply snap the "ferret" over the wire, or did you wrap the wire around it once or twice? The more times you can wrap the wire, the better.
    If I'm passing you on the right, YOU are in the wrong lane!

    If speed kills, how come I'm still alive?

    Active Countermeasures: V1 3.858, Escort Redline, Beltronics STi-R+, LI Dual 7.1x CPU/8.7 Heads (front)
    Other/Backup Countermeasures: V1 3.813 (loaned to friend), Beltronics Pro RX65 M4 6.3
    Vehicle: 2002 Audi A4 1.8T Quattro
    LEO Toys: Kustom Pro Laser II & III
    Encounters/Saves August 2011: Radar 3/1, Laser 0/0


  9. #19
    Newcomer
    Join Date
    Jul 2007
    Location
    WV
    Posts
    27

    Default

    I'm guessing no one ever found a permanent fix for this? I found this topic through a quick search.

    I drive a 2007 Subaru WRX-STI also (same type as Original poster), and have been getting these false laser alerts on hard acceleration...

    I pretty much narrowed it down last night. I went on a backroad in WV. It was dark out, so no sun light reflection. No houses around. Cruise control was off. And no other cars on the road at all.

    I'm wondering if this could these falses could be a result of some sort of knock sensor? Maybe some sort of feedback as the engine pulls timing?

  10. #20

    Default

    Quote Originally Posted by GHott
    I'm guessing no one ever found a permanent fix for this? I found this topic through a quick search.

    I drive a 2007 Subaru WRX-STI also (same type as Original poster), and have been getting these false laser alerts on hard acceleration...

    I pretty much narrowed it down last night. I went on a backroad in WV. It was dark out, so no sun light reflection. No houses around. Cruise control was off. And no other cars on the road at all.

    I'm wondering if this could these falses could be a result of some sort of knock sensor? Maybe some sort of feedback as the engine pulls timing?
    Laser falses caused by acceleration or honking your horn are due to electrical noise in your car's wiring. The very first thing to check is that the RJ-11 plug on the end of the power cord is crimped on well. Most Radio Shacks keep a RJ-11 crimper handy for quick fixes for customers. Be sure that the Smartcord is unplugged from the cigarette lighter socket or that the inline fuse is removed from the straight hardwire cord before using a crimper! If you are using a cigarette lighter power cord, the problem could be due to corrosion on the cigarette lighter contacts or poor electrical flow through the stamped together connections within the cigarette lighter. A hard wired power cord, wired to your car's fuse box, usually fixes this. If you still have problems then a snap-on choke or noise filter might help, but the ideal solution is to use an audio RC noise filter that consists of both a filtering choke and capacitor. They are cheap and you can even salvage one off of an old car stereo. It is the stuff which is inside the small black box on part of the stereo's power and ground wires. Even a cheap or salvaged RC noise filter will attenuate electrical noise by about 45dB and should completely solve the problem. If, after all of this, you still have a laser falsing problem which isn't caused by the sun or other IR sources, then the issue is the shield around the laser detection amplifier circuitry within the radar detector. That is a fairly easy fix too, but it is best to have the RD manufacturer fix that.
    Last edited by MEM-TEK; 07-28-2008 at 08:59 AM. Reason: added information.

 

 

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