ELECTRIC MANUAL MINIBUS SUBARU E10 3 CYLINDERS

I APPLY help me to get the electrical diagram of the Minibus-O-Microbus Subaru E10 of 3Cilindros, 1000cc, 1990 to see the electrical connections of the ignition key to the ignition control, the coil, the distributor and the spark plugs. How to submit them if they are fine since one day lights and another does not. thank you. Someone help me I need it soon.