Quote Originally Posted by Nozzon View Post
...have Garmin CN North America NT 2013.20 Mapsource Locked map and ...

Here I am stuck as I do not know how to get the FID for the map (CNNANT2013_20Update.msi) that is installed.
I found an FID on line (2630) and tried using it.....
The FID for CNNANT 2013.20 is 2689 NOT 2630 (2630 is for 2013.10),