Major electrical components

A list of the major components of an electrical system.

List of components

Damage to major electronic components due to water damage is sufficient to handle the vehicle as a total loss.

The major components of an electrical system are the following:
  • fuse panel or breaker panel
  • component that monitors, triggers, or controls any component of the vehicle’s occupant restraint systems
  • electronic component that transmits or relays power, for use in the heating and cooling of the vehicle’s occupant compartment
  • electronic component that transmits or relays power, for use in the vehicle’s defogging or defrosting systems
  • electronic component or module that controls the vehicle’s primary operating systems
  • main wiring harness with unsealed connections, that is located in the occupant compartment
  • electronic module that controls the vehicle’s on board self-diagnostic system; excluding, communications, navigational, and entertainment systems, and
  • electronic module that controls the vehicle’s braking, acceleration, steering, or any other systems affecting the drivability or safe operation of the vehicle.