first check fuses then flasher unit if still no joy get out your multitester or take to the shop d.cop
Wrong bulbs installed? Defective or corroded sockets? Bad turn signal flasher?
Could be a clogged catalytic convertor Could be a problem with vacuum lines or (worst case scenario) your transmission.
Why the defrost may not work in a 1993 Chevy Caprice Classic could be because the heating core is out.
Your power steering has a problem. It could be a broken part, or you may need a whole new set-up.
could be either
i would say maybe a bulb or a flasher
Bulbs? Sockets? Steering column switch?
In my 87 I had the same problems and I came to find out that my tranny was going out thta. Is what the problem sounds like to me.
The problem could be that your flasher switch is going out. I had the same problem on my 99 blazer. It sounded like a bee buzzing in my dashboard. Had the switch replaced and problem was gone. Hope this helps.
That usually means the engine is lean. Could be a vacuum leak.
Could be turn signal flasher Check bulbs Could be a problem in steering column
Could be a bad flasher