A surrogate component for a test system is described that includes a body having a first shell, a second shell coupled to the first shell, and a wiring harness. The first shell includes a plurality of exit holes and the second shell includes a first connection interface and a second connection interface. The wiring harness passes through at least one of the plurality of exit holes of the first shell and includes at least one data communication line coupled to the first connection interface and at least one power line coupled to the second connection interface.