In most models, the OBD is on the left side of the engine compartment near the front. The left side would be considered the passenger side.
No
The 1999 Mercury Cougar OBD 2 port is under driver side dash left of steering column
OBD I code 67 - Neutral Drive Switch Circuit Open ( key on , engine off )
Most likely if it is a 1991 it will be an obd-1 and typically the drivers side underneath the steering wheel.
It is not OBDII. The connecter is under the hood.
Mercon
There is no 1988 Ford Explorer. The vehicle went into production in 1990 for the 1991 model year, replacing the two door Bronco II;. As for the Bronco II, there isn't an OBD port.
The 1996 Mercury Sable the OBD 2 connector is under drivers dash next to kick panel
The 1994 5.0L ford Mustang and 3.8L Ford Mustang used the OBD-II connector under the drivers dash. These were the first OBD-II Ford cars. They are NOT OBD-I.
A 1995 Ford Thunderbird is OBD I , EEC IV
1994 mercury topaz 4cyl
yes