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A little more help with my Garmin GPSMAP 295. Got an error msg saying "Antenna shorted to ground" along with the problem of no SAT acquisition. Opened up the back and find that the central pin on the antenna socket is connected to "NOTHING". Amazing! The unit had been working fine. The ground connections to the antenna are fine and the central pin is not shorted to ground, just connected to nothing inside the unit. ?? Can't figure that at all. There seems to be nothing hanging around to hook up to it. Can help?

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  • garryg24 Jun 17, 2009

    Well, thanks for your offer of assistance, but have tried another duplicate known-working antenna without luck. Doubt that rewiring the BNC connector will have effect. The central pin on the antenna side BNC connector is not grounded to the outside barrel.

    The thing that makes me wonder is why the central pin in GPS unit side BNC socket is connected to nothing at all within the unit, which, like I've said, has been working great for years.

    ??


  • garryg24 Jun 17, 2009

    Will do, but there's nothing loose. Will call tomorrow. Aloha


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Hi,

As per Garmin,

First, Try cutting off the BNC connector from the antenna cable and cutting this end of the cable back 6 to 12 inches. Next, crimp or solder a new BNC connector onto this end. BNC connectors can be purchased at most electronic or marine stores. The size of the antenna wire is RG 58. Power the unit on and see if the message still appears. If the message still appears, please call one of our product support specialists at 1-800-800-1020.

Thanks for using "Fixya".

Posted on Jun 17, 2009

  • taran_2005
    taran_2005 Jun 17, 2009

    Hi,

    Thanks for your explantion.

    If we talk about your model, the central pin the gps must be connected in BCG socket. It seems that either there is a broken solder or something that might have resulted in the above mentioned error.

    To be really honest, this is a rare problem and the solution i offered that's the best solution to deal. However, it seems that there has been some more issue with your gps as the central pin is also loosened in the socket.

    At this moment, the best solution would be to call the above number as it seems that there might have been a small hardware fault as well. I know it's really frustrating but that would be the best solution.

    Thanks for using "Fixya".


  • taran_2005
    taran_2005 Jun 17, 2009

    Hi,

    That would be the wise option....


    Thanks.


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