ELECTRIC SCHEME FOR WV GOLF 1.9 TDI YEAR 94

Hello friends, I have an electrical problem with a 1.9 TDI golf of 94 and I need the electrical scheme if someone has it, thanks
the car sometimes it is going well but when you want it runs out of contact, the starter engine revolves and the lights of the painting are lit but it does not start, the warmer's light is faint and does not turn off, does anyone meet this problem?