On my 2001 it is to the right of steering column just under edge of dash next to center console. On a bracket facing down.
The 2003 Chevrolet Blazer OBD 2 port is on lower edge of dash; right of parking brake pedal
The 2003 Chevrolet Malibu OBD 2 port is on lower edge of dash left of steering column
The 2003 Chevrolet Venture OBD 2 port is on lower edge of dash; left of or under steering column
The 2003 Chevrolet Malibu OBD 2 port is on lower edge of dash left of steering column
The 1996 GEO Tracker OBD 2 port is on driver side dash next to center console
The 2003 Honda Civic OBD 2 port is behind center console
The 2003 Saturn Ion OBD 2 port is on bottom edge of dash; above hood release
The 2003 Toyota Tundra OBD 2 port is under driver side dash above accelerator pedal
The 2004 Chevrolet Venture OBD 2 port is on lower edge of dash; left of or under steering column
The 2003 Hyundai Elantra OBD 2 port is on lower edge of dash between steering column & hood release
The 1999 Chevrolet Cavalier OBD 2 port is under driver side dash below steering column
The OBD connector is under the dash on the driver side.