- 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
- 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