SEBU9064 25 Features and Controls Sensors and Electrical Components Illustration 20 g03381126 Typical examples (7) Alternator (8) Starting motor (9) Glow plugs (10) Electronic control model (Controller) (11) Fuel pump (12) Multi function lamp When the keyswitch is in the OFF position, the multi function lamp will not be illuminated. With the keyswitch in the ON position the multi function lamp will flash once. The flash will indicate that the system is powered and ready for operation. The multi function lamp can be used as a diagnostic lamp. For information as a diagnostic lamp refer to this Operation and Maintenance Manual, “Diagnostic Lamp”.