KTM 950 Ignition System and ECU Wiring Diagrams here are schematics diagrams for KTM 950 Ignition system and ECU. In ignition system like ktm 950 who usually using for adventuring consist of battery, ignition lock, pulse generator. For diagram flow is like this Battery voltage from the battery (1) flows to the ECU (control unit) through the switch on ignition lock (2) and the switched on emergency OFF switch (3). The pulse generator (5) reports the crankshaft position to the ECU (4). The ECU uses this signal to calculate the ignition point for each cylinder. Battery voltage is supplied to both ignition coils (6) via the emergency OFF switch, the ground is switched by the ECU.