96 intrepid woes

on an intetrmitent basis working its was to almost all the time. the power windows all the functions on the climate control swtich panel and the srs dont work. :banghead: who ever put those on the same circuit oughta be hung by his eyelids. any ideas where to look. I got a few electic diagrams but they say the power windows are on a DIFFERENT GROUND FROM THE OTHER 2.