Question about Garmin zumo 550 GPS Receiver

3 Answers

No power in any way

Tried new Battery . Recharging,Motorcycle mount, and car mount. still no power

Posted by vtxchef on

  • 1 more comment 
  • Anonymous Nov 03, 2007

    Unit was on when I plugged it into the cradle on my bike. I powered it down, an dnow it won't come back to life!

  • Anonymous Nov 25, 2007

    Power supply on the motorcycle mount seems to be suspect. When checking the voltage on the "pins" reading varies between 8v to 9v. (Cable input reads 12v)

    Whilst riding the mount will suddenly lose power, resulting in going over on battery power, if seen in time, otherwise in just powers down

  • Roger Whipple Apr 20, 2009

    After the pins on my 550 zumo motorcycle mount got wet (from washing) the power became intermittent and then non existent. I see green corrosion around the pins from electrical activity. I only measure about 1 VDC on one of the pins. Taking the unit apart reveals significant electronics on a PCB inside the mount but no obvious signs of any water or overload damage. The zumo connector with gold-plated spring loaded pins is not accessible. The connector is bonded in place with a fragile flex cable coming out of it. The PCB would be replacable if you can get one, but removing the connector looks like it would destroy both it and the sealed housing.

    There are voltage regulators and other chips on the PCB and it may be possible to repair if documentation were available. Has anyone tried to troubleshoot this any deeper?



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I had same problem. It seems like battery is dead. The unit just died and need to take battery out to reset. Finally, I figure it out that -- it's because the my Zumo550 is running out of memory!
I had a very low free memory available, then after it logs your trip for a while and used up all those free memory - it freeze...
Solutions >>> connect to your computer via usb cable. Try to free up some memory...

Posted on Dec 30, 2007



Guest, posted on Nov 25, 2007 - Similar finding

I suspect that the original power cable for motorcycle assembly is resistive. I have made a second cable (non-resistive) and the equipment turned off as soon as I connect it.

The internal battery is 4.2 V.

Posted on Dec 17, 2007



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I charged it for about an hour on the bus connector (wall outlet did not appear to generate any charge). I then opened up the back and removed the battery. Put the battery back in; see if it starts. If so, turn off immiediately and continue to charge it to a full charge (at least 12 hours).

I found other users who experienced the same problem when their battery drained down to a very low level. The unit goes zombie and needs both a charge AND full reset (battery removal) before it can be resurrected.

Posted on Nov 16, 2007

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