Question about Garmin nuvi GPS
I have a Garmin Nuvi 850. The battery charges up fine on my computer USB cord but when unit is plugged into the cig. lighter it doesn't charge up. I've checked the voltage at the plug in point. Voltage is good (12.3 vdc) I've checked the fuse in the connection cord as well. It is fine.
Broken wire in the lead or a faulty plug at one of the ends.
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Posted on Apr 16, 2021
SOURCE: Garmin NUVI 660 power problem.
To charge a nuvi, use one of the following methods:
Posted on Oct 11, 2008
SOURCE: Garmin Nuvi 760
Sounds like you both have a battery problem. I experienced a similar problem when trying to charge via the USB-cable connected to my computer.
Ended up buying an original charger (expensive) and the charging went smooth.
The car charger should in any case work fine, so probably your battery is not very healthy.
Try holding your finger on the battery symbol for about 10 sec. The unit will then switch to a technical page. There you can observe the battery and charging voltage. When I plug in my computer USB-cable, I read around 4,4V and that is not sufficient for charging my battery.
When connected to the original charger, this voltage rises to about 5V which gives a nice charge. When unplugging charger, the unit displays the battery capacity. If the charging voltage is OK, but battery capacity drops quickly after you unplug charger cable, the battery is probably bad. (Of course you have to charge is for some time) I think around 4V battery voltage give 100% capacity. 3,9V gives about 90% capacity.
This will not solve your problem, but can give you an idea about what is wrong.
Posted on Nov 17, 2008
you will have to connect it to a computer using the usb port. thats the only way to charge it once the battery gets real low. my unit did the same thing.
Posted on Apr 20, 2009
I was looking for a USB cable to use to update the firmware and did not see any particular specifications for the usb cable. I decided to
use the USB cable that I purchased for my motorola v3 along with the phone tools software. When I plugged it in the 1412 sat on a screen waiting for the PC application for updating maps or software which I had not installed yet. I found that the 1412 was actually taking a charge from the motorola phone tools kit. ALSO with a few repeated attempts on my XP PC I was able to access the files on the 1412 from 2 drives that it set up on my PC just like a USB stick. One drive was a virtual CD drive and the other was just like a
usb flash drive. So I backed up the software to my PC. I have not done any hacking yet but I bet there are some ways to do this.
Posted on Apr 30, 2009
Your car adapter may be broken. try unscrewing the top of it to check the fuse inside the cable. that can easily be replaced. other than that it could be the cradle (if your cable plugs into your cradle) or the back port of the unit in a worst case scenario
Posted on Aug 15, 2009
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