Electrical Issue

I went to put my left blinker on today and it started blinking too fast, figured a bulb burnt out, and that was the case. I replaced the parking lamp bulb but it didn't fix the problem, the other thing I noticed is that with the lights on the side marker and parking lamp aren't alternating like normal, the sidemarker blinks and the parking lamp doesn't at all. This also just came about as it was fine before, any ideas?? thanks

year? the 97+ ones are different.
My 87 has funny grounds in the sockets themselves, and it's common in the older ones. Solution: Replace the socket.

its a 96, the bulb has never been replaced, both of the screw heads broke off when taking the assembly out, and i had to pry the actual bulb out with a flat head