4x4 high and 4x4 lights flashing on 2002 Ford Explorer

4x4 high and low lights flash 3 times when starting and nthen flash every 2 min while driving

Asked by for the 2002 Ford Explorer
You probably have a problem with the 4WD system and the controller is telling you so by flashing the lights. If you still have the owner's manual, read up on it.
You may need to go to a 4WD or Ford specialist for help with it.
Here's a directory link for you: