1987 Maxima Sedan
No turn signals, No hazard lights
Replaced front left bulb and socket
Replaced 10 amp fuse in fuse block
Replaced signal flasher unit
Still no turn or hazard lights
No sound from flasher
Where do I go from here?

Opened up the combination switch, blew the gunk out with some canned air, put her back on and Voila! I've got turn signals again!

I tested the hazards on my car shortly after getting it back in July last year. Same thing happened...no signals, no flashers, did some research, tried replacing the flasher and nothing before I did the same thing and cleaned the flasher switch of gunk. All was back to normal after that.