The 2000 Dodge Neon is a OBD 2 port
The OBD port is under the dash on the driver side.
I believe the obd port is located by the parking brake and just above it.
The 2000 Nissan Pathfinder OBD 2 port is on lower edge of dash; right of hood release
The 2000 Hyundai Accent OBD 2 port is on rear of lower edge of dash; right of hood release
The OBD plug is under the dash on the driver side.
The 2001 Pontiac Grand Am OBD 2 port is on lower edge of dash; left of steering column
The 2002 Pontiac Grand Am OBD 2 port is on lower edge of dash; left of steering column
The 2000 Acura Integra OBD 2 port is under passenger dash
The 2000 Honda Insight OBD 2 port is on right side edge of console; near floor
The 2000 Acura TL OBD 2 port is above shifter
The 2000 Isuzu Trooper OBD 2 port is behind unmarked panel over hood release