Ok i have a 97 grand prix gt now when i got the car the windows and the heads up didnot work but the radio would not play but the time showed up im trying to put a aftermarket cd player in the car i need to know if i have to run an exturnal power wier like i had to in my 03 malibu ??????????? And dose any 1 know were i can locate the fuse for the heads up and windows ?????