5. Disconnect the battery from the feed wire (4) of the solenoid and the feed wire (5) of the inductors. The control pinion (1) moves back to occupy its rest position. Measure the distance «a» between the thrust face of the flange of the starter motor on the engine casing and the end of the control pinion (1). This measurement «a» should be 37.5 max. If this is not the case overhaul the starter motor. 6. Connect the feed wire (6) of the inductors to the solenoid terminal (5). 7. Fit the plastic plug (2). 7797