That whole sentence is very badly constructed or, if not, the punctuation is wrong. Was this book ever independently proof-read?

conscience noun [C or U] uk /ˈkɒn.ʃəns/ us /ˈkɑːn-/ C2 the part of you that judges how moral your own actions are and makes you feel guilty about bad things that you have done or things you feel responsible for:

http://dictionary.cambridge.org/dictionary/british/conscience

Ede has committed pleonasm with the phrase "moral conscience". I'm losing respect for this author.

Answer

I think it is supposed to mean 3.

That whole sentence is very badly constructed or, if not, the punctuation is wrong. Was this book ever independently proof-read?

conscience noun [C or U] uk /ˈkɒn.ʃəns/ us /ˈkɑːn-/ C2 the part of you that judges how moral your own actions are and makes you feel guilty about bad things that you have done or things you feel responsible for:

http://dictionary.cambridge.org/dictionary/british/conscience

Ede has perpetrated a pleonasm with the phrase "moral conscience". I'm losing respect for this author.

Answer

I think it is supposed to mean 3.