Question about Garmin StreetPilot c550 GPS Receiver

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Power problem I have bought this unit three weeks ago. Today I was using it all morning fine. In the evening, when I was going out, my GPS would not turn on as I turn the car on. It was plugged in fine, no problems there. Tried to reset the unit. Nothing seems to work, it just wont turn on. Any suggestions?

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Re: Power problem

How do i change the battery in my garmin street pilot c550. i think it is bad.. i have tried all the other suggestions and nothing is working.

Posted on Mar 02, 2008

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Re: Power problem

If you have the unit plugged into a cigar lighter adaptor socket, then first check if the socket is working using another device. Then unscrew the und of the plug and the small silver tip in the centre will come out. This holds a fuse which may have blown. replace it even if you think it looks ok unless you know how to test it.(My bet is that this is the problem)- check at the end of this solution for a link that explains how to change the fuse. If the unit was hard-wired to the car power, then somewhere between the car battery and the unit should have been a fuse, possibly although unlikely more than one. Check this, it would normally be close to the unit, but it may be under the hood somewhere, possibly an in-line fuse holder (usually looks a bit like a short fat fountain pen, with a way to twist the two halves to release) - if the wiring is new compared to the car, hopefully it will be easy enough to follow. It is also possible that there were spare fuse slots in your car fuse panel, and one of these may have been comandeered for your gps, check they are all ok - usually you can see this visually. There is a small possibility that the battery/charging system of the car is not in perfect working order. There may be enough voltage for the car to start and run normally, but an item like a gps can be much more sensitive to slightly low voltages. If you can use a multimeter then this should be easy enough to check yourself (ask again if you need help with this), otherwise any auto-shop should be able to check it very quickly (2 minute job) and check the voltage available at the GPS. If the unit became excessively warm from sunlight etc. then there is the possibility that the internal battery has failed - contact garmin and they will advise you how to get a replacement - probably you have to send the unit to them. If none of this helps or sheds any light on the problem, this link has the manual etc. for your gps if you need it; also there are contact details for garmin - the warranty is still valid so long as the unit was installed properly, and garmin are usually very helpful. Page 31 of the user manual shows how to change the power fuse if you are having trouble. Hope this helps:)

Posted on Mar 22, 2007

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