Turn signal problems on a car?

I just bought a 2001 Ford Focus se. It's my first car. My turn signals keep going in and out, they work occasionally and mostly they work but they do go out and whenever I flick it for the turn it just doesn't make any sound or light activity and then I'll drive around the corner and they'll work again. Is it an electrical issue? I've taken it to the shop for it but it never has the issue when they're looking at it so they send me home. My dashlights also aren't working, neither does my lighter in the car or my hand break if that makes a difference.

Read more: Turn signal problems on a car?