HI guys
With the c510 plugged into the cig lighter it was working fine. turned car off and the unit displayed message 'lost external power source and shutting down in 25 seconds'. When I got back to the car tried to power up again and screen remained black and hasnt worked since. have tried reset button but nothing happens. Please help
cheers
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Before writing the unit off as dead I would try obtaining a new 12v power cable and maybe try your cable in someone else vehicle, often the 12v power in your car can short not providing power to the GPS.
Does the car charger cord have a fuse in it at the point where it plugs into the lighter port, a lot of car chargers have a fuse, I can't tell if your end, the part that goes inside the lighter port has a cap that you unscrew to replace the fuse, and garmin does not show it.
If the car is running, and it does not work, there is something wrong with the car adapter, or the unit at the plug, the battery should not have anything to do with it.
If the battery starts the car the battery is fine.
Take the unit to where your nephew was playing with it, and it will automatically unlock. Otherwise, you'll need to send it in to Garmin with the receipt from an authorized dealer.
I've had a couple of Garmin C330 units and a C340. They're good quality except for the flimsy power plugs. My first one out of the box had a defective plug which made intermittent contact when I plugged it into the lighter. Tightening the knurled nut on the tip of the plug helped somewhat, but didn't fix it completely. It became a non-issue after I bought a friction mount which came with a better cord and plug. The friction mount also stopped the problem of the suction cup constantly falling off the windshield.
I have a 100v A/C power / charger unit for my garmin C340 GPS that I use to charge my Garmin's battery every day. I can use thj adapter to run the GPS, or just turn it off and let it charge the GPS. But it connects dirctly to the Garmin GPS unit, not to the cradle like the Cigarrette lighter unit does. .
Make sure that you age getting power from the plugin.
Test: With the unit OFF plug adapter into cigarette lighter.
The Garmin should turn on automatically. If it does not,
you are not getting power to the unit. Make sure you have
good connection at the holder.
Generally it powers off by itself because it is not receiving
power from the plug.
wont power up
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