A 9 part teaching series by Dr. Wayne Grudem:
(1) Definition, The Challenge and the Joy of a Life Pleasing to God
(2) The Theological Basis, the Character of God
(3) The Goal, a Life Pleasing to God. Plus Fox Interview
(4) How to Make Ethical Decisions
(5) How to Interpret and Apply Scripture to Ethical Decisions
(6) How to Think about Sin in a Christian’s Life
(7) The Joys and Blessings of Obedience to God
(8) How to avoid both legalism and antinomianism
(9) Why we will never face a “tragic moral choice”
Found here.