Where is low side ac port on 1988 Cadillac eldorado?

The low side AC port on a 1988 Cadillac Eldorado is typically located on the suction line of the air conditioning system. You can find it near the firewall, close to the compressor. It is usually a larger fitting compared to the high side port, which is smaller and located on the discharge line. Make sure to check your vehicle's manual for specific diagrams and locations.