Question about Garmin Nuvi 660 GPS Receiver

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Hi I need help with new nuvi 260

It is looking for satellites too much! Does it need any external antenna?

Mike

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Yes it will help your unit out alot.and no more looking for sat ...... id say buy one

Posted on Aug 31, 2008

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3 Answers

Nuvi 660 fails to get satellites, resets don't help


Try this and see if it fixes your problem...first disable bluetooth then follow these steps.
1. Power off the unit.
2. HOLD down the power button and you will see "Pre Boot Mode" appear on the lower part of the display. KEEP HOLDING the power button down and the display will flicker, do this until the pre boot mode message disappears. This seems to take a long time (60 seconds at least).
3. Once the pre boot mode message disappears release the power button and your device will perform some activites to recover from the problem.

Jan 02, 2009 | Garmin Nuvi 660 GPS Receiver

1 Answer

My Nuvi 310 can't find satelites.I have re-booted several times but without any Joy.the re-boot also locked on the map display The Mall in London.!?


There are a few things you can try to restore satellite reception.

1. place your finger over the lower left-hand corner of the screen and hold it there
while pressing the on/off power button. Keep holding your finger there and a window should pop up asking if you want to go into maintenance mode. Select yes. There is an option called "clear user data". Select that option. It will not erase your favorites. It will however, erase any corrupted satellite data and will default you back to some factory settings. This will clear some of the memory allowing your Nuvi to collect new satellite data. Your Nuvi should reboot and it will ask you a couple questions like, timezone, language. Please select the proper settings.

Make sure the antenna is up and that you are outside. On the main screen, you will see a satellite bar graph in the upper left-hand corner. Touch the bar graph and you should get a satellite map, showing the satellites. If your Nuvi's receiver is working ok, you should see horizontal hollow bar graphs appear on the right. Eventually they will turn solid blue. This indicates they have downloaded the proper data from the satellite. When you have (4) solid blue horizontal bars (4 satellites), you will see the top panel begin to show improved accuracy and your Nuvi will then work as it should. This entire process make take 30 minutes or less.

If you don't see any bar graphs, your Nuvi may ask you severl minutes later, if you are indoors. If your outside, select no. It will then ask you if you have moved 1000 miles since your last use. Select yes. This will cause your Nuvi to start looking for
satellites, trying to locate your new position.

Now, if you still don't see any bar graphs, then your antenna may have a problem. There is a known issue with the Nuvi antenna where a part has failed, causing the Nuvi to no longer use its internal antenna and it's now always looking for an antenna at the external antenna port (the gold connector on the side of the Nuvi antenna). If you have a piece of small wire, a couple feet long, you can insert that into the center lead of the external antenna jack. Most likely, you'll begin to see bar graphs after a few minutes and your Nuvi will lock.

I haven't been able to identify yet, which part has failed. I am working on that.
However, if the piece of wire works, you can always go on eBay or a retail store and
purchase an external antenna for your Nuvi. They are magnetic and can either stick to your roof or any metal surface within your vehicle.

Here's another way to determine if your antenna has failed and will have to be replaced:

At the main menu, pres on the "wrench" symbol. Then press the "gear" symbol and then press "about". There is a field marked "GPS S/W". There should be a number next to it. It may be "2.9" or "3.0". That is good. That tells you that the main board in the GPS is communcating with the antenna receiver. If you see "0.0" then your antenna is defective and there's no way to repair it other than replace it.

Please let me know if I can be of further assistance to you.

- Jim

Nov 06, 2008 | Garmin GPS

1 Answer

No connection to satellite


Please read the solution that resolved this problem for someone else. Most likely, you have already tried this.
http://www.fixya.com/support/t1115882-garmin_nuvi_360


If the above procedure does not work for you, the entire antenna assembly will need to be replaced.
The other option is to purchase an external antenna for your Nuvi and plug it into the external antenna port (gold connector) on the Nuvi antenna assembly.

Best wishes,
- Jim

Oct 30, 2008 | Garmin nuvi 350 GPS Receiver

1 Answer

Gps garmin nuvi 660


Please read the solution that resolved this problem for someone else. Most likely, you have already tried this. However, the antenna of your Nuvi 660 is the same as the 3xx Nuvi series. I know this because I have worked on them.

http://www.fixya.com/support/t1115882-garmin_nuvi_360


If the above procedure does not work for you, the entire antenna assembly will need to be replaced.
The other option is to purchase an external antenna for your Nuvi and plug it into the external antenna port (gold connector) on the Nuvi antenna assembly.

Best wishes,
- Jim

Oct 26, 2008 | Garmin Nuvi 660 GPS Receiver

1 Answer

My Nuvi 660 powers on but fails to locate satellites. I have updated the machines but alas no workie. Please help


Please read the solution that resolved this problem for someone else. Most likely, you have already tried this. However, the antenna of your Nuvi 660 is the same as the 3xx Nuvi series. I know this because I have worked on them.

http://www.fixya.com/support/t1115882-garmin_nuvi_360


If the above procedure does not work for you, the entire antenna assembly will need to be replaced.
The other option is to purchase an external antenna for your Nuvi and plug it into the external antenna port (gold connector) on the Nuvi antenna assembly.

Best wishes,
- Jim

Oct 22, 2008 | Garmin GPS

2 Answers

My Garmin Nuvi 360 we bought approx 1.5 to 2 yrs ago is now having trouble all the sudden finding satelite reception. We just had a major storm come thru our area and it seems to have happened just since...


There are a few things you can try to restore satellite reception.

1. place your finger over the lower left-hand corner of the screen and hold it there
while pressing the on/off power button. Keep holding your finger there and a window
should pop up asking if you want to go into maintenance mode. Select yes. There is an
option called "clear user data". Select that option. It will not erase your favorites.
It will however, erase any corrupted satellite data and will default you back to some
factory settings. This will clear some of the memory allowing your Nuvi to collect new
satellite data. Your Nuvi should reboot and it will ask you a couple questions like,
timezone, language. Please select the proper settings.

Make sure the antenna is up and that you are outside. On the main screen, you will see a
satellite bar graph in the upper left-hand corner. Touch the bar graph and you should
get a satellite map, showing the satellites. If your Nuvi's receiver is working ok, you
should see horizontal hollow bar graphs appear on the right. Eventually they will turn
solid blue. This indicates they have downloaded the proper data from the satellite. When
you have (4) solid blue horizontal bars (4 satellites), you will see the top panel begin
to show improved accuracy and your Nuvi will then work as it should. This entire process
make take 30 minutes or less.

If you don't see any bar graphs, your Nuvi may ask you several minutes later, if you are
indoors. If your outside, select no. It will then ask you if you have moved 1000 miles
since your last use. Select yes. This will cause your Nuvi to start looking for
satellites, trying to locate your new position. When you perform a factory reboot, your Nuvi thinks it's in Kansas (Garmin HQ) and so it needs to be told to look for new satellites.

Now, if you still don't see any bar graphs, then your antenna may have a problem. There
is a known issue with the Nuvi antenna where a part has failed, causing the Nuvi to no
longer use its internal antenna and it's now always looking for an antenna at the
external antenna port (the gold connector on the side of the Nuvi antenna). If you have a
piece of small wire, a couple feet long, you can insert that into the center lead of the
external antenna jack. Most likely, you'll begin to see bar graphs after a few minutes
and your Nuvi will lock.

I haven't been able to identify yet, which part has failed. I am working on that.
However, if the piece of wire works, you can always go on eBay or a retail store and
purchase an external antenna for your Nuvi. They are magnetic and can either stick to
your roof or any metal surface within your vehicle.

Here's another way to determine if your antenna has failed and will have to be replaced:

At the main menu, pres on the "wrench" symbol. Then press the "gear" symbol and then
press "about". There is a field marked "GPS S/W". There should be a number next to it.
It may be "2.9" or "3.0". That is good. That tells you that the main board in the GPS
is communcating with the antenna receiver. If you see "0.0" then your antenna is
defective and there's no way to repair it other than replace it.

Please let me know if I can be of further assistance to you.
- Jim

Oct 08, 2008 | GPS

3 Answers

Nuvi 360 cannot acquire sattelite


There are a few things you can try to restore satellite reception.

1. place your finger over the lower left-hand corner of the screen and hold it there
while pressing the on/off power button. Keep holding your finger there and a window should pop up asking if you want to go into maintenance mode. Select yes. There is an option called "clear user data". Select that option. It will not erase your favorites. It will however, erase any corrupted satellite data and will default you back to some factory settings. This will clear some of the memory allowing your Nuvi to collect new satellite data. Your Nuvi should reboot and it will ask you a couple questions like, timezone, language. Please select the proper settings.

Make sure the antenna is up and that you are outside. On the main screen, you will see a satellite bar graph in the upper left-hand corner. Touch the bar graph and you should get a satellite map, showing the satellites. If your Nuvi's receiver is working ok, you should see horizontal hollow bar graphs appear on the right. Eventually they will turn solid blue. This indicates they have downloaded the proper data from the satellite. When you have (4) solid blue horizontal bars (4 satellites), you will see the top panel begin to show improved accuracy and your Nuvi will then work as it should. This entire process make take 30 minutes or less.

If you don't see any bar graphs, your Nuvi may ask you severl minutes later, if you are indoors. If your outside, select no. It will then ask you if you have moved 1000 miles since your last use. Select yes. This will cause your Nuvi to start looking for
satellites, trying to locate your new position.

Now, if you still don't see any bar graphs, then your antenna may have a problem. There is a known issue with the Nuvi antenna where a part has failed, causing the Nuvi to no longer use its internal antenna and it's now always looking for an antenna at the external antenna port (the gold connector on the side of the Nuvi antenna). If you have a piece of small wire, a couple feet long, you can insert that into the center lead of the external antenna jack. Most likely, you'll begin to see bar graphs after a few minutes and your Nuvi will lock.

I haven't been able to identify yet, which part has failed. I am working on that.
However, if the piece of wire works, you can always go on eBay or a retail store and
purchase an external antenna for your Nuvi. They are magnetic and can either stick to your roof or any metal surface within your vehicle.

Here's another way to determine if your antenna has failed and will have to be replaced:

At the main menu, pres on the "wrench" symbol. Then press the "gear" symbol and then press "about". There is a field marked "GPS S/W". There should be a number next to it. It may be "2.9" or "3.0". That is good. That tells you that the main board in the GPS is communcating with the antenna receiver. If you see "0.0" then your antenna is defective and there's no way to repair it other than replace it.

Please let me know if I can be of further assistance to you.

- Jim

Oct 03, 2008 | Garmin nuvi 350 GPS Receiver

5 Answers

Garmin Nuvi 360 - Acquiring Satellites


Did you check to make sure that it is not in demo mode?
I've seen complaints that the unit is not working, and it was in demo mode.

If everything is set up properly and it still does not work, you will most likely have to send it to Garmin in the US.



Jerry G.

May 28, 2008 | Garmin nuvi 350 GPS Receiver

6 Answers

Unable to acquire satellites


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External antenna - Garmin 25MCX low profile remote GPS antenna

I have been experiencing the same problem many have been having with the Nuvi 6xx and 3xx series giving an error message “Lost satellite reception”.

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 $275.
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 and shipping)

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.

May 04, 2008 | GPS

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