• A STARTING - RECHARGING
• B VARIOUS FUSE HOLDERS AND VALVES
• C EARTHS
• D INTERMEDIATE COUPLINGS
• E INSTRUMENT PANEL AND INDICATORS
• F EXTERIOR LIGHTS
• G INTERIOR LIGHTS
• H MANUAL ELECTRIC CONTROLS
• I SWITCHES
• J RELAYS
• K SENSORS AND SENDER UNITS
• L ELECTROMAGNETS AND SOLENOID VALVES
• M INTERMITTENT AND TIMED ELECTRONIC DEVICES
• N ELECTRIC MOTORS AND ACTUATORS
• O RESISTANCES AND DIMMERS
• P VARIOUS CONSUMERS
• Q SAFETY DEVICES
• R FAULT DIAGNOSIS