89 buick century scanning problem

hi all, i have bought 89 buick century custom 2.6 L V6 petrol, i want to scan it for some problems through my computer, i've got the software but my stupidity is m unable to find the socket where i can attach my computer to scan,,,,can anyone help me n tell me where is that located? i'll be very thankful to you if u can help me with that....

marc gujral

On the OBD1 cars you don't need a computer to read. However if you have the equiptment then have at it. The diagnostic port is under the dash on the drivers side.