99 Tahoe blowing fuses

I have a 99 Tahoe that keeps blowing the fuse for the turn signals. It started last winter and after replacing the fuse several times it just stopped diong it... until a couple of weeks ago that is. I am not 100% sure but it seems to happen when they are shutting off. Can someone please help me with this problem? Thank you.

i had the same prob its the blinker switch you have to replace it.

Thank you for the answer to this annoying problem. I was hoping for a simple solution rather than checking every inch of wire in the circut