2 things : these Mapsource GmapTool maps wont have address search enabled on pc and in IMGs sent to device.
Img copied in an sd (plugged into your pc) in a Garmin folder will be seen in Basecamp. So better to use Basecamp and original img.
Again , if a map is unlocked you don't have to add any .unl in nuvi
Maps with FID greater than 2200 cant be unlocked in nuvi by the .unl file. Nuvi would search for .gma you cant have
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