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Thank you Pieter, I have just tried this with the Nuvi 1410 as well. Important to note that the Nuvi requires a folder called "Map" (capital M) on the SD Card and the unzipped file must be located therein.

Will test drive it tomorrow :)


-Eric

Hi Charles,

So I took five years to reply...

I never received a notification of your post but so much has happened since then.

Thank you for the welcome


-F_D

Dankie Ferdie, Garmin word te slim met hulle idees! I have two Topo Maps listed in Mapsource, haven't a clue which one is for which GPS, so I took the oldest one dated 2011 and hoped it would be for the Nuvi. It wasn't. So this morning I downloaded the OSM SA Mapset zip file here: http://osm.pleiade...

So now after all my fiddling, no maps work at all on the Nuvi :shock: After switching the unit on, the "Unable to unlock Map" (or something similar) pops up, and the only mapset showing in the settings is the OSM routable map, which is a free mapset and does not require locking/unlocking. ...

Browsing through the Nuvi this afternoon, I came across what appears to be an unlock code, a file named "gmapsupp.unl" seated in the Maps folder, together with an image file "gmapsupp.img", which is some 13,664kB in size. Could this be what I am trying to resuscitate? The image s...

Hi Phillip, The Nuvi 1410 does have this feature, I had enabled it to include everything possible, but the current map set does not really have that much going for it. Not a problem, although I still wonder what happened to my original maps I should still have Topo on my other GPS units - (haven't c...

Just to follow up on this, I have installed Open Source Mapping on the Nuvi, using Mapsource. It works, but looks kind of bleak compared to the original Topo map that I used to have. I was unable to trace any unlock file for the Nuvi, but did find one for my ancient Garmin 3 GPS that I had eons ago!...

Hi Jan, It was good chatting about the "good old times" once again. Bit difficult from my side though, as I was in the local Hyper and dealing with their PA systems as well as several staff members who certainly had no need of a PA system when communicating with one another :) Will check w...

Hi Phillip, Excellent advice, thank you! I should have Mapsource on my Office PC, it was also on my home PC but that has been replaced twice due to lightning paying me an unwelcome visit at most inappropriate times. I will search for the unlock gma file as well, hopefully I did save it at the time. ...

Following on on this subject, my Nuvi 1410 has simply lost its mapset, which was previously loaded internally. The mapset I formally used was the SA Topo 2012.3 version and was an official purchase, unlocked. This has simply disappeared, no longer even installed as an image file in the GPS. Could an...