i sent in a question about 3 year old grape vines that have never been pruned. that was april second. still no answer. did you not recieve the question?
Questions are answered in the order that they are received. If you have not received an answer, we may not have received it here in the Q & A.
Here is an article that discusses Grapevine pruning.
Please try again, if you have a specific question that is not answered by the article.