if im not mistaken,i would think that it should be on the line that is closest to the compressor.but if that doesnt help you I would sometimes call a place like a parts store or something.
The low pressure ac port is on the passenger side of the vehicle. It is close to the firewall mounted on the low side aluminum line.
The 1994 Mercedes-Benz low side port can be found on the top of the air conditioner compressor. The low side port will be labeled as the low pressure port.
the low side ac port should be on the passenger side of the engine. It is located on top of the drier.
The low side AC port on a 1994 Buick Skylark is on the passenger side of the engine compartment. It is near the front of the oil pan.
Behind the grille
The 1994 Buick Century air conditioning low side port can be found on top of the air conditioning compressor. The low side port will be labeled as the low pressure port.
the low side of your ac system is the big of the two, the other is the high side, big one has the blue top and the high has the red one.
The low pressure port on the 99 Grand am is on the passenger side. It is right against the firewall.
Its located on the accumulator...................
Low pressure port should be on the firewall by the fan motor What fan motor?
At passenger side of engine, around coolant overflow bottle. Piece of tubing, with pressure port sticking out. Usually has cover, with L marked on it.
Usually located on the accumulator at the rear of engine compartment on passenger side