Dear Andreas,
B+ = battery+ = +12V )
Here are video.
Quality is not good, because from phone, but you can see what i do.
I just take out of box new gps box and calibrated it.
http://www.youtube.com/watch?v=8xOX6lyfQps
It's not so easy to make it in first time, but then all is ok)
If you will have questions pls write me.
Best Regards,
Pavel