Wiring harness assembly and electronic control system

A wiring harness assembly, communicatively connecting a plurality of electronic devices to be mounted in a vehicle and an electronic control unit for controlling the plurality of electronic devices, the wiring harness assembly comprising:

• a first wiring harness connected to the electronic control unit;
• a standard wiring harness connected to a standard electronic device which is necessarily mounted in the vehicle among the plurality of electronic devices;
• an option wiring harness connected to an option electronic device which is optionally mounted to the vehicle among the plurality of electronic devices;
• a joint connector making a connection between the first wiring harness and the standard and option wiring harnesses;
• a control device disposed inside the joint connector, and configured to control each electronic device connected thereto via the standard wiring harness and the option wiring harness in dependence on control signal for each electronic device which is multiply transmitted from the electronic control device via the first wiring harness;
• a standard driver disposed inside the joint connector, and being configured to supply electric power to the standard electronic device, which is controlled by the control device, so as to drive the standard electronic device;
• and
• an option driver disposed over the option wiring harness and being configured to supply electric power to the option electronic device so as to drive the option electronic device in response to the received control signal for the option electronic device.