I don't know how to get Graring to talk to me for EEC quest! I checked search and couldn't find anything...

Look around for the redheaded Nord Coventina. Attack and kill her. Then Graring and his companions will speak with you and you can continue the quest.

I believe she's behind the rocks in front of Graring's house.

As i did this mission right before i talked to him she attacked I flattened he with my stendaar hammer and then i could talk!