i need help soon.. electrical problem

im not sure what my voltage regulator looks like cuz i cannot find it. theres one thing that i have that might be it and its near the master cylinder but im not sure
my alternator does not look like the one in the picture. it has a rounder back. no i dont have a multimeter... the headlights r sealed so idk and im not sure about a filament?.. i want to just take it to my mechanic but i recently moved and hes about15 miles away and im being told that the car can start a fire now easily..