Is it too behind schedule to cut final my grape vine? I forgot to do it at the end of summer and I...

I forgot to do it at the end of summer and I be wondering if anyone had a suggestion? The vine is 4 years weak now and produces profoundly of fruit - although the grapes are still quite small. Thank you.
Answers:    The best time to prune your 4 year antiquated grape vine is after autumn, beginning of winter, when it is dormant. I found a site that will minister to.
http://www.ehow.com/how_172725_prune-gra...
have Concords and Flaming Reds and hold also cut 3 weeks ago and the leaves are coming back. Now, that have never happened. Probably the warmness in California. I never cut right at the call a halt of summer.