- 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