okay just bought my truck 2001 dodge dakota quad cab 4x4.....so none of my lights on 4x4 switch are working ..so i figured maybe tccm....Then i go tinkering and undo neg post 5 mins and hook it back up and what do you know ..lights are on and truck goes in 4lo and 4high and back to 2 but go out hour later and light are gone again please help thanks in advance