Prepass windshield placement

Discussion in 'Experienced Truckers' Advice' started by Ralph4159, Nov 24, 2012.

  1. Ralph4159

    Ralph4159 Heavy Load Member

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    Albuquerque, New Mexico
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    The guide says it's supposed to be 2-3" below the header (which I can understand) and 2" to the right of the centerline. What would be a reason that it needs to be away from the center like that? Also, my old truck had EZpass in a much similar location, but my new truck has it at the bottom of the windshield. Is either placement better than the other and why isn't it an option to put Prepass on the bottom too?
     
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  3. STexan

    STexan Road Train Member

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    Oct 3, 2011
    Longview, TX
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    The idea is to get it UP as close as possible to the transponder as possible and at least 2 inches from any metal (center windshield divider)

    However, with most transponders, it hardly makes a difference where they are positioned so long as they are somewhere near the windshield. But some truck visors can impede the communication at some transponders. As long as your getting red and green lights at pre-pass weigh stations and OK lights at toll booths, leave it alone.
     
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  4. WRIGHTRACING

    WRIGHTRACING Heavy Load Member

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    Jan 3, 2011
    Iuka MS/Muscle Shoals AL
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    Put it in a drawer in the back and it'll still work. It doesn't matter where you put it, just so long as you can see.

    And yes I've seriously had one go off in a shower bag, in the back of the sleeper. Makes you wonder why they even have instructions on where to put them on the windshield:smt102
     
  5. Balakov100

    Balakov100 Road Train Member

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    May 10, 2012
    Temple, TX
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    Yeah what he said.
    They seem to Tx pretty strong.
    The other day I didn't want it to read so I took it off and In my Hand Behind the Drivers Seat it still beeped at me.
     
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  6. Jaspyr223

    Jaspyr223 Bobtail Member

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    May 28, 2017
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    Sit on it or put it in a thick aluminum foil vag is the only 2 ways I know of to not let it read
     
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