need electrical help

[NEWCHAPTER]

99 pontiac grandprix.... well it goes like this i have had to replace the fog light on pass side numerous times now it has melted the housing half of the little interior lights have gone out and the pass side window motor has quit working for the second time... just wondering if it is a high voltage condition or a short... I did replace the alternator just thinking that might have been the problem.. not under warranty so i dont want to get taken at the dealership.... any help appreciated...thanks

 

[sackracing]

they should not all be on the same circuit, should be on 3 seperate circuits. if you're not blowing fuses it shouldn't be a short either. does it have the correct fuses in it?

 

[NEWCHAPTER]

all the fuses are correct, never have had one go either just that the equipment goes