OBDII Female Connector (car side)
All vehicles since 1996 have featured an OBDII connector under the steering wheel and there are numerous applications and modules to read ECU data through this port. Older cars do not have them. Now with a GEVCU, they can. But you need the port to install under the steering wheel. This is the female connector installed in the car that you plug into. Inexpensive plastic shroud and some pins. You simply run 12v power, ground, and two CANbus lines to the connector.