G-------------------------------------------------------------
D-------------0-------------0------------------0------------0- That is the intro and the verses
A-----------------------------0-2-0---------------------------
E--2-2-2-2------0-2-2-2-2-----------0-2-2-2-2---0-2-2-2-2----
 Chorus:                                                                  Song:Loser
G-------------------------------------------------------------            Band:3 Doors Down
D-------------------0-0-0-0---------------------------0-0-0-0-            Tuning:Standard 
A-------------------------------------------------------------            
E-0-0-0-0-2-x-x-x-x---------0-0-0-0-0-0-0-0-2-x-x-x-x--------
Bridge:
G------------------------------------------------------------
D------------------------------------------------------------
A---0-3-2----------------------------------------------------
E-2-------0-0-1-2--------------------------------------------
After the Bridge you play the verse part then you go into the chorus

Well thats all my friends this is my first bass tab so if i'm wrong just email me or correct me