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how do you make Prepass go undetected?

Discussion in 'Trucking Electronics, Gadgets and Software Forum' started by mathematrucker, Jan 31, 2007.

Page 1 of 5
  1. Jan 31, 2007 #1
    mathematrucker

    mathematrucker Medium Load Member

    566
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    Sep 14, 2006
    Laughlin, NV
    0
    How can I keep Prepass from being detected when I go by a closed weigh station? I Velcro'd it to make it easy to pull off in a hurry and then reattach to the windshield. Problem is, the thing beeps and lights up no matter where I put it---sure wish my phone was that good at grabbing a signal!---I'm starting to think it'll take something like a lead blanket to shut the little bugger up.
     
    mathematrucker, Jan 31, 2007
    mathematrucker, Jan 31, 2007
    #1
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  3. Jan 31, 2007 #2
    mikroos5

    mikroos5 Medium Load Member

    357
    31
    Nov 16, 2006
    Mass.
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    I don't have one anymore but i used to just sit on it and it wouldn't go off.........:thumbleft:
     
    mikroos5, Jan 31, 2007
    mikroos5, Jan 31, 2007
    #2
    lil may Thanks this.
  4. Jan 31, 2007 #3
    25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

    18,750
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    the road less travelled
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    They needed to be stuck to the windshield before in order to work and they were pretty fussy about you being right under the detector, if you were in the wrong lane of two it wouldn't always work, now it seems like they catch it pretty easily, I'd try putting it in a metal toolbox or fishing tackle box on the floor and closing the lid. If that doesn't work, you could try sitting on it, like mikroos5 suggested, but I'd be worried about it breaking. I also don't have one anymore; I don't really miss it. You can also do like the old days and take a different road, no scale or one without Pre-pass.
     
    25(2)+2, Jan 31, 2007
    25(2)+2, Jan 31, 2007
    #3
  5. Jan 31, 2007 #4
    earthbrown

    earthbrown Medium Load Member

    362
    40
    May 27, 2006
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    wrap in tinfoil....put on floor...



    K
     
    earthbrown, Jan 31, 2007
    earthbrown, Jan 31, 2007
    #4
  7. Jan 31, 2007 #5
    Carolina Thunder

    Carolina Thunder Medium Load Member

    584
    179
    Jan 28, 2007
    Coeburn V.A.
    0
    That works, did it myself a few times.
     
    Carolina Thunder, Jan 31, 2007
    Carolina Thunder, Jan 31, 2007
    #5
  8. Jan 31, 2007 #6
    jamwadmag

    jamwadmag Road Train Member

    1,119
    107
    Feb 28, 2006
    Desert Southwest
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    First of all, if it 'goes off,' that means it was 'blasted' by the scale transmitter! But the power transmitted from the Prepass transponder in your truck is relatively weak (small battery inside)! So it can go off, but if covered, it wont 'be seen!' Best methods that work for me (no blast/no response!): 1) velcro it to windshield, then sit on it going thru, 2) velcro it (or if desparate, rip it off the tape), and put under your Qcom keybd (PCB inside will shield the transponder!!). Tin foil also works, but do you have time to do?? I suggest doing at least one of these things going thru OR...then dont use the Prepass system, but use the transponder for their 'Green & Go.' They will pull up a computer report of your scale crossings and can write a ticket for speeding then & there----remember, they're NOT Prepass (which wont allow such stuff)!!
     
    jamwadmag, Jan 31, 2007
    jamwadmag, Jan 31, 2007
    #6
  9. Jan 31, 2007 #7
    LogsRus

    LogsRus Log it Legal

    2,589
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    Nov 23, 2006
    Indianapolis, Indiana
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    I am serious here, I don't know why!
    Why do you want to hide the pre-pass box from the scale houses?
     
    LogsRus, Jan 31, 2007
    LogsRus, Jan 31, 2007
    #7
  10. Jan 31, 2007 #8
    notarps4me

    notarps4me Road Train Member

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    Jan 1, 2007
    NASA HQ
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    I believe they are managing the book. :cyclops:
     
    notarps4me, Jan 31, 2007
    notarps4me, Jan 31, 2007
    #8
  11. Jan 31, 2007 #9
    LogsRus

    LogsRus Log it Legal

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    Nov 23, 2006
    Indianapolis, Indiana
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    But how would the pre-pass machine give the officer any information to the DOT officer if they got pulled in the scale? That is what confuses me, I thought maybe it had something to do with the log book, and I doubt I get the answer, but I am trying:biggrin:
     
    LogsRus, Jan 31, 2007
    LogsRus, Jan 31, 2007
    #9
  12. Jan 31, 2007 #10
    jamwadmag

    jamwadmag Road Train Member

    1,119
    107
    Feb 28, 2006
    Desert Southwest
    0
    Everytime you cross a scale, the truck ID is read and correlated with the truck history as stored in the system. If your co. has a poor safety record, they will 'Red Light' you and bring you in to scrutinize your truck! Per the Prepass brochure, their data cannot be used against a driver for infractions, etc. However, as mentioned previously, OR does not honor Prepass---they have their own system called 'Green & Go,' and still use the prepass transponder to feed scale crossing info into their state DOT computers. They will give a truck a ticket for going to fast between scales!! NOT Prepass Kosher! I drive CA & OR quite a bit---usually get 'Green' light in CA, NEVER get a 'green' light in OR. They want additional $$$ for their 'Green & Go' system above and beyond what co.s pay for Prepass!! Pretty CS!!
    Dont like driving OR, or WA State for that matter!!
     
    jamwadmag, Jan 31, 2007
    jamwadmag, Jan 31, 2007
    #10
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