How do I unplug my factory GPS antenna?
When you convert your vehicle there's a small chance that you'll need to unplug your original GPS antenna. This GPS antenna isn't compatible with Sync 3 and in some vehicles it will need to be disconnected to prevent your map from bouncing around and flip flopping. Usually the GPS antenna is located inside your dash (in the middle) or behind your cluster instrument panel.
This is what the GPS antenna will look like: