Here is The intro for the song "Bad To The Bone" I play this on a 4-string bass so that 
what you should use...

This song is Standard E,A,D,G tuning

Here is the tab:

G------------------------------------------------------|
D------------------------------------------------------|
A-----------3-1----------------------------------------|
E-3-33-3-3-3-3-3---------------------------------------|

Thanks!!

-FenderFan12354