Abstract: A wiring harness security inspection device having a cradle pivotally supported on a base is provided with a front socket for receiving a wiring harness connector and a rear socket for connecting the device to an electrical testing machine. After the connector is inserted into the front socket of the cradle, rotation of the cradle interlocks the connector to the base. The wiring harness cannot be used by an operator in production and installed and interconnected into an electrical circuit until the wiring harness is electrically tested and, when the harness passes inspection, a solenoid mounted in the base releases a latch permitting removal of the device from the connector thereby permitting use and installation of the wiring harness by the operator into the circuit.