A wire harness includes a trunk line which serves as a transmission line of power from a vehicle battery; and a plurality of power source control boxes which are provided on the trunk line, arranged one by one in each of a plurality of partitions into which a vehicle is partitioned, and distribute the power received through the trunk line to a power-demanding device that demands for supply of power. In at least one partition of the plurality of partitions, the power source control box of the corresponding partition is connected with entire first device arranged in the same partition to supply power among the first device and a second device, and includes a connection unit of a branch wire which is connected to a sub-power source control box that supplies power to the second device.
1. A wire harness comprising:
a trunk line which serves as a transmission line of power from a vehicle battery;
a plurality of power source control boxes which are provided on the trunk line, arranged one by one in each of a plurality of partitions into which a vehicle is partitioned, and configured to distribute the power received through the trunk line to a power-demanding device that demands for supply of power;
a sub-power source control box provided in at least one partition of the plurality of partitions;
a first device that is a common part and is provided in the at least one partition;
a second device that is an optional part and is provided in the at least one partition; and
a branch wire that connects between the power source control box in the at least one partition and the sub-power source control box in the at least one partition, wherein
a plurality of power source control boxes each includes a connection unit for the branch wire,
the power source control box in the at least one partition is connected with all first device arranged in the at least one partition to supply power received through the trunk line to the all first device, and
the sub-power source control box in the at least one partition is connected with all second device arranged in the at least one partition to supply power received through the connection unit and the branch wire to the all second device.
2. The wire harness according to claim 1 , wherein
the first device is a device mounted in all grades of a specific vehicle type, and
the second device is a device mounted in a grade higher than a lowest grade or mounted optionally.
3. The wire harness according to claim 1 , wherein
the first device is a device mounted in all vehicle types in a same segment, and
the second device is a device mounted in any of the vehicle types in the same segment.
4. The wire harness according to claim 1 , wherein
the first device is a device mounted in all vehicle types in a same platform of a same vehicle manufacturer, and
the second device is a device mounted in any of the vehicle types in the same platform of the same vehicle manufacturer.
5. The wire harness according to claim 1 , wherein
the first device is a device mounted in all vehicle types of a same vehicle manufacturer, and
the second device is a device mounted in any of the vehicle types of the same vehicle manufacturer.
6. The wire harness according to claim 1 , wherein
the first device is a device mounted in all vehicle types in a specific group when a plurality of platforms of a same vehicle manufacturer are grouped into two or more groups, and
the second device is a device mounted in any of the vehicle types in the specific group.
7. A wire harness comprising:
a trunk line which serves as a transmission line of power from a vehicle battery;
a plurality of power source control boxes which are provided on the trunk line, and arranged one by one in each of a plurality of partitions into which a vehicle is partitioned;
a sub-power source control box provided in at least one partition of the plurality of partitions; and
a branch wire that connects between the power source control box in the at least one partition and the sub-power source control box in the at least one partition, wherein
a plurality of power source control boxes each includes a connection unit for the branch wire,
in the at least one partition, the power source control box of the corresponding partition is connected with all first device out of a first device which is common and second device which is optional, arranged in the at least one partition to supply power received through the trunk line to all the first device, and
the sub-power source control box in the at least one partition is connected with all second device arranged in the at least one partition to supply power received through the connection unit and the branch wire to the all second device.