OPERATION N¢& D.IE. 511-00 : Arrangement of the electrical installation electronic fuel injection system (Since April 1971). PART SCHEDULE . Ignition distributor and triggering contacts 1. Injector cylinder 1 . Battery . 2. Injector cylinder 2 . General feed relay 3. Injector cylinder 3 . Pump relay 4. Injector cylinder 4 . Impulse relay 5. Ignition coil . Thermal sensor 6. Full load switch