Question about Garmin GPS 12 GPS Receiver

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I have a garmin GPS 12 that has lost its memory twice. What can I do to fix it?

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I'd have to say that the lithium battery inside the GPS has outlived its usefulness. As this is used for memory backup, it's time to replace it.

Good Luck!

Posted on May 01, 2010

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Hi i am using gps 12, unfortunately my store waypoins all are lost, is it possible to recover them


Unfortunately the answer is no. When the Garmin 12 was being made there was no facility for recovering any deleted waypoints.

Nov 07, 2010 | Garmin GPS 12 GPS Receiver

1 Answer

Garmin nuvi 760


what is the GPS doing, sounds like you need to replace the battery based on the symptom

Jul 12, 2010 | Garmin Nuvi 760 Car GPS Receiver

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I have a garmin gps 12--s/n 35854358. No auto-locate?


If you haven't used the gps for a while they can try to operate with the incorrect catalog or time. Unless these are both correct it gets lost. Usually you can correct this with a forced reset. There is also a update for this unit which also forces the update.
http://www8.garmin.com/products/gps12/download.html
The data cable sort of screws on and makes contact with 4 pins. This is the little round connector. It does both power and data. The cable is a wee bit pricey from Garmin but you can make them or just get one from ebay.
The reset usually wipes out any saved routes poi's etc so using the data cable will save all of those. To reset the 12 I believe you hold the lower right corner of the screen and then power it on to reset. Then you need to let it rub until it gets the new data which can take 5-50 minutes. Makes sure your batteries are good.
I'd recommend the data cable route (use a 'gasp' non garmin cheap cable) and upload the update at the same time and you should be good to go try and get lost again.

Jun 28, 2010 | Garmin GPS 12 GPS Receiver

1 Answer

My garmin GPS 12 will not pick up and lock on the satilites


Go to the Garmin website and download up to date software for your unit. A new satellite launched in '08 caused some problems, and the update fixes this.
Please come back and let us know if this fixes it.

Dec 20, 2009 | Garmin GPS 12 GPS Receiver

1 Answer

My Garmin GPS 12 Turns Black On turning on.


Try turning the unit on and hold the left arrow button down for about 10 seconds.

Apr 01, 2009 | Garmin GPS 12 GPS Receiver

1 Answer

Lost destination after saving it


Sounds like the internal memory battery is run down - it's charged from the AA's. Usually does not recover. Battery (the VL1220) is shown here: http://www.panasonic.com/industrial/battery/oem/chem/lith/vana.htm.

It' easily replaced once the case is open but requires a steady hand with a fine tip soldering iron. Local story started by me here.

Sealing the case up again is very fiddly - hard to make a tidy job with silicone.

Feb 22, 2009 | Garmin GPS 12XL GPS Receiver

1 Answer

The end of my 12 volt power supply cord was lost.


You might be able to use the parts from an old cell phone adaptor. Have you tried that?
If not don't mess with any off brand adaptor. Get another one from Garmin at their website Garmin .com

Jan 22, 2009 | Garmin nuvi 260W GPS Receiver

1 Answer

Data lost


Sounds like the memory battery ran low. Did you get a "Memory battery low" warning message when you switched it on? If so then that confirms it, and I'm afraid your waypoints are lost.

As for the memory battery it will take on some charge if you just put in fresh AA batteries. How much charge depends on the age of the GPS, mine is over 10 years old and the memory cell is pretty much dead now.

Grmin may or may not replace the cell for you depeniding on the age of the device. If you want to do it yourself it's a very fidldy job requiring some expertise with a fine pointied solderign iron. The case is held together with solicone sealant aroung the joining edges - there are no plastic catches - one piece of the case has a sort of trough around the edge that the other piece/side slots into and the trough was fileld with silicone sealant and the two pieces sandwiched together. It's not a very strong glue though so it can be prised apart with a fine knife and patience.

Aug 10, 2008 | Garmin GPS 12 GPS Receiver

3 Answers

276C Memory Battery


There is a button cell soldered to the main circuit board that powers the real-time clock while the unit is off or the main battery is removed or flat. After a couple of years this button cell dies and has to be replaced. I've had this problem twice in five years, and each time replacing the button cell fixes the problem.

Needs a Garmin workshop, or someone who's good with a fine-point soldering iron.

Jan 09, 2008 | Garmin GPSMAP 276C GPS Receiver

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