how does this event further change wiesel's relationship with god and faith in novel night?

Okay I'm thinking you mean the pit with the babies. Elie's faith is dealt a blow as he witnesses the fiery death pit of which laid countless babies used for target practise by the Nazi's. The vile image portrayed acts as the first moment in which Elie's faith is questioned as he queries Gods existence for allowing such evil act to occur. He even contemplates suicide before being ordered turn away from the ditch. The event which will be forever remembered by Elie begins to form the cracks in his dwindling faith.