So its been quite sometime now, i drive a 96 2.5 tl and one day my passenger side fog light went out. i replaced it with a new one. i also replaced the other one. i used h3c yellow bulbs for both. after starting it up and turning them on the same bulb would go out again. i moved the bulb to the driver side and i believe it worked fine. i then put the newer one i originally put for the driver side to the passenger and it would go out again. once it stops lighting up it stopped even after turning it off. already checked fuses not a single break. new battery and new alternator recently after the bulb went out.
Thanks in advance.

 

Make sure that the harness is clean and there isn't any corrosion at all. The ground could of gone bad. Also you might have a shortage in the connection itself.