Thread: Multiple maps on SD Card

To use multiple maps on an SD card for the Garmin. Join all the maps together using the GMap tool.
Place the joined file in the Garmin directory on SD card as gmapsupp.img, enter the SD card 25 digit code into the gmapsupp.unl file. In your garmin unit go to setup, maps, info all the maps will be listed simply select the maps you want.

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