1998 Buick Regal Q&A

1998 Buick Regal Question: every time i put my left signal on my car shuts off, why?

please help me to understand why this is happening, no one believes me. -
Answer 1
Your car is a Republican? Sorry, I couldn't resist! -
Answer 2
It's the ignition switch. Not the cylinder the key goes in but the electrics part. -