The cheap way to fix it is to make an extended antenna
if you look in the back youll see a gold circle that is made to add an external antenna. now get some foil twist a small strand and push it in the back of the nuvi untill it hits the gold ring. just add some scotch tape to hold it and it should be good
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When you put the tape in and play your songs,then take it out or eject the tape, push in the radio mode, you should the radio , if not check to make sure you got a good antenna connection, sometimes there maybe a delay but hopefully not two minutes, should be more like 5-10 second delay
I have the g510 with a kenwood head unit. On the satellite screen, on the left it only shows one satellite and on the right it is showing that there are upwards of six or so satellites that it is receiving reception from. I thought it might be the antenna, so I bought a new one. Still having the same problem. It cannot find my location. I've updated the software, I don't know what to do!!
I have been experiencing the same problem many have been
having with the Nuvi 6xx and 3xx series giving an error message “Lost satellite
My problem started mid April 2008 and got progressively
worse. I would use my GPS on weekends and it would work perfectly for the first
10 – 30 minutes and then would loose satellite reception, rendering it useless.
I bought my Nuvi 660 when it first came out in October 2006
for just under $700 and is now out of the 1 year warrantee.
I called Garmin Technical Support and we checked my Software
version (4.40) and more importantly my GPS SW version (3.00). According to the
tech I had on the phone, the GPS SW version was more important then the Software
version. It was in fact already updated to 3.00, I did master reset, after
master reset, but regardless, nothing helped.
I contemplated what I should do.
Return mine and get a refurbished unit from Garmin for $225
with only a 90 day warrantee?
Buy a new Nuvi 660 for around $300
Buy a new Nuvi 2xx series with fewer features for $200 to
Buy a Megellian GPS?
I read through this forum and came across one person that
was told by Garmin “that they are aware of an issue with some Nuvis involving
the failure of a diode in the unit that senses whether or not an external
antenna is connected.” Apparently this diode failure is caused from the high
heat these units experience from being left in a hot car for long periods of
time. This would explain why mine would work in the beginning and then die.
So my thinking was, if the diode “thinks” there is an
external antenna attached when it isn’t, what would happen if I “did” connect
an external antenna?
Garmin recommends the Garmin GA 25MCX low profile remote GPS
antenna for the Nuvi 660 and costs $31.49 (not sure about additional costs for tax
So I purchased the NEW antenna from a seller on eBay for
$25.90 total and IT WORK FLAWLESSLY.
Just to make sure it really was the new external antenna
that was working and not the unit coming back to life, I started my 3 hour
journey with the external antenna NOT connected. As usual it lost satellite
reception in about 15 minutes. I plugged in the GA 25MCX and it immediately connected
to the satellites and never lost them.
I repeated the same process coming home and once again, I connecting
the external antenna after the unit reported loosing satellite reception, and
it worked perfectly.
Conclusion: if your unit is experiencing loosing satellite
reception, and is under warrantee, return it ASAP. If it’s out of warrantee,
get an external antenna. There are other manufactures of external antennas and
all should work as long as it has an MCX connector.
Side Note: This external antenna also worked perfectly on a
friend’s Nuvi 350 with the same problem.
I wanted to share this with everyone because I’ve been
racking my brain for months over this. I hope this helps.
Do the following:1 - Make sure you have fresh batteries in the unit and turn the unit on.2 - Check the GPS date and Time. On the Main Menu at the bottom of the screen, you can see a date and time. If the date and time are not current, then the clock is your problem. You will have to wait for the almanac information to be updated. Details are below in a later section.3 - Make sure your GPS is in the Normal Mode and not a demo mode. Verify other systems settings.
Go to the main menu and click on Setup icon.
From the Setup screen, access the System screen icon.Verify the following settings: GPS: normalWAAS: EnabledLanguage: English or your choice.Battery: Set according to your battery types.4 - Check your GPSs Version Software.
Go to the main menu and click on Setup icon.
From the Setup screen, access the System screen icon.
From the System screen, access the sub-menu icon in the upper right bar.
Select "Software Version" from the list. Verify the actual software version for me.The latest version available for the eTrex Legend is version 3.90 dated March 2008.http://www8.garmin.com/support/download_details.jsp?id=711Update the unit using this latest software and using Garmin's Webupdater.http://www8.garmin.com/products/webupdater/howtoinstall.jspIf that won't work, use the following download page to access the latest software updates per units.http://www8.garmin.com/support/blosp.jsp5 - Resetting your GPS clock and almanac informationNext you may need to acclimate your unit to a new date and time (almanac information). If you had your unit off and without batteries for over a month since you last accessed satellites, then your clock and almanac information may be incorrect. Even Garmin acknowledges this problem after software updates and the problem with accessing satellites. They state: "unit data including alamanac information may be incorrect or cleared. Back up all user data before upgrading. After installation is complete, place unit with a clear view of the sky for 15-30 minutes to re-acquire almanac data. "I know of no way to reset the clock using the GPS menus. All I can suggest is that you do the following:A - turn the unit on and wait 5 minutes or so for the "Poor Satellite Reception" screen to appear. See page 7 of the owner's manual.B - Set the "new location" to your area using the map when the "poor satellite reception screen" appears. Be sure to use the "map" option and not the "automatic". C - Set the GPS outside with a clear view of the sky. Check on it every 10 minutes. When the "Poor Satellite Reception" screen appears again, then click on "Restart Search". The "Restart Search" option is used when the date provided in the GPS is not today's date. (See page 7 of the Owner's manual for an example)Legend Owners Manual: http://www8.garmin.com/manuals/eTrexLegend_OwnersManual.pdfD - Once the GPS can track 4 satellites, then the clock should reset and you should be fine. This process could take up to an hour. I have had this problem with my eTrex Vista and eTrex Legend (both backup GPSs) and resolved it by having the clock reset. In fact, I just tried my eTrex Legend today after not using it for many months and storing it without batteries and it had this same problem. I followed the steps above to fix the problem. This took about 35 minutes.