The alternator on the vr-4 is messin up its was charging 15.8volts at one time then the next time i start the car its not charging at all.. so i thought regulator.. problem is it took me 2 hours to get the damn thing out the car and i finished pullin it out at about 5pm on a Friday and i realy dont wanna wait til monday to get it tested

now i searched around and i found a pdf manual problem is my ingles is not that having trouble understanding the damn thing

Link to pdf http://www.filedropper.com/16engineelectrical

tl;dr : need help diagnosing the regulator