Question about Garmin StreetPilot c340 GPS Receiver

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Internal battery The battery on my Garmin C340 never had any problem keeping a charge before, then one day it completely failed and will not accept a charge from the car, even though the screen on the GPS is telling me the battery is charging. The unit does work fine as long as it is in the cradle. I did notice the day before, the suction cup had failed and fell off the window with the unit attached. It happened over night and was hanging by the cord for what could have been hours. I've opened the unit up, and looked for loose wires, but found none. The plate at the top of the unit (which I believe is the antennae) did slide out very, very easily.... it had two black wires attached to it, but I would have thought it would have been anchored in place. I put the unit back together again, and it works just fine as long as it is in the cradle, but as soon as the car is turned off, the unit goes dead. I did hit the reset button to no avail. I've also hooked it up with the USB cable to the computer, the unit turns on, but again, the battery doesn't accept a charge. Any thoughts?

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  • 5 more comments 
  • SJGWeb Nov 10, 2007

    My battery is dead too, won'y hold a charge at all! Is it really the battery, or something else? Unit is less than two years old... seems the battery should last longer than that.

  • seadoo969 Nov 26, 2007

    battery wont hold a charge anymore? and it takes sometimes mins to locate satellites which it never took so long?

  • edd1216 Dec 08, 2007

    I guess my battry is dead too, would not hold charge even though ther's a message on the screen that the battery is charging. It would only work once you plug it in, but it will take a long time to locate satellites. It's only 14 months old.

  • wworks Dec 26, 2007

    My battery barely holds a charge, when it goes into lost power do you want to continue it does not get to the 30 seconds to shut down.



    Sometimes if I start te car up and it comes on and then shut it down for a second or so it won't start. I found the reset button and now that seems to start itback up again. No loss of even destination.



    Wish the battery was replaceable.. Just got the map upgrade for a gift and wondering if it is worth downloading it if it is going just die soon.

  • Anonymous May 15, 2008

    Shame, I've used several GPS units and I really like the UI in the Garmin. But since the battery has died and I assume that has something to do with why it now takes 15 minutes to find satellites, I'll probably not get another Garmin. I want to throw it away now.

  • dcd9086 Jun 18, 2008

    Battery will not take a charge. I've hit the reset with no results. Can the battery be replaced

  • jazzy-judy Jul 17, 2008

    My Garmin c340 turns on and after a minute turns off or says battery low. While plugged into the car. The car receiver is working..

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Can you explain to me please how to take apart my garmin i have the same model and i need to know how to take it apart...to disconnect my internal battery long enough to reset the system...please contact me ova email at toy9cito@yahoo.com or thru aim:toy9cito thanks...

Posted on Dec 16, 2007

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My Garmin has the same problem. I contact the Garmin technical support service and describe this problem, and I were told that my unit may not operating correctly from what I described, and should be returned to the factory for service.
The flat rate of repair for this unit is $150.00, however this would be covered under warranty if it is less than one year from the date of purchase. I don't recommend to repair your unit if it was out of warranty. You can buy a brand new one at this repair cost. You might know that Walmart is now selling this unit at about $180.00.

Posted on Nov 30, 2007

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