Turn signals sometimes they work, sometimes not, why
probably a loose connection,rust,dirt.
www.youtube.com/watch?v=iWx_eMwntHk -- check this out. It's possibly your flasher causing the issues.
http://www.motortrend.com/cars/2001/pontiac/grand_am/recalls/ -- check this out to. There is a recall for this issue on your car. Contact your dealer to have recall taken care of.
I'm not even going to ask how you got a picture to show on my email :) ;[
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