| | Re: gps in google maps
Make sure location services are selected as ON, which it probably is if you are getting BB maps to work. Make sure that you have a current GPS position.
Go outside, with a clear view of the sky, get GPS to lock on and give you a new position. Might take 20 minutes. See if Google Maps will update. Make sure that you hit the little blue button on the lower right corner to display your current location.
If this doesn't work, delete Google Maps and reinstall. The version you have might not be compatible with the OS or it has a corrupt file or two.