... I, OBD-II, EOBD, and JOBD • With professional mode • With large DTC database • Powered via diagnostic connector, no additional power is needed • Plug ... under the hood: "OBD II compliant". Where is the connector located?The connector must be located within three feet of the driver ... pre-OBDII vehicle. To add some confusion, even having the connector with the contacts shown above is not a guarantee of OBD ...