1992 Buick Century

Engine Performance problem
1992 Buick Century 6 cyl

i have changed the water pump the thermostat the belt but it just stared this run for a little while then my temp light comes on then me chk eng light then dies while going down the road the other day it smelled like wires burning my doors lock by themselves only when its hot outside when I try to open the door from the outside to get in my fan does not work every thing happens during the summer not the winter something happens when its hot, the car or when the weather is hot doors engine a/c everything