1. Have you got the jcv file in JCV subfolder of Garmin folder? i.e. x:/Garmin/JCV/*.jcv
2. Have you left any other old jcv files from the same map series in there? Or trying to use 2 related current files together? That will cause a conflict.
3. Check that you have the correct jcv file for your particular unit. I think it is D3191040A for 40/50 but not sure.
4. This is important. Not anywhere near all junctions are shown even on major highways/freeways/expressways. Minor roads have none. Simulate a long route along a major artery and you'll soon see if it's working.
@luiguy501
If you're determined to put lower 49 only on the unit, just dl the MS version from Post #2 and use Mapsource to select the parts you want.
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