It should be on the accumulator.
The recharge port is on the larger AC pipe
Reach down between the alternator pulley and the firewall. The service port is down there. has a blue plastic cap on it.
The low side service port to recharge the AC on a 1997 Olds Cutlass Supreme is at the rear of the engine. It is close to the firewall.
On a 1997 Oldsmobile Cutlass Supreme, the low side service port for the AC is behind the engine. It is the larger of the two hoses coming off the compressor.
The 1987 Oldsmobile Delta 88 loci service port can be found on the top of the air conditioner compressor. The low side port will be labeled as such.
Should be the larger hose from the compressor--port maybe by the drier near firewall on passenger side
Passenger side near the fire wall. You can find a diagram of this on the link below. Just follow the "Where is my low side port" icon when you get on the website.
Follow the larger hose from the compressor-maybe near the drier on the passenger side firewall
The EVAP Service port is on the firewall on the passenger side, right next to the low side service port for the A/C.
The 1999 Chevy Lumina A/C service ports are located on the drivers side of the vehicle in the front, right next to the battery, which is located under the windshield washer reservoir, it will kindof take some contorting to get to it, but that's where GM put it
The low side service port can be found on top of the air conditioner compressor. The low side service port will have a blue top.
The low side service port on your 1993 Mitsubishi Eclipse can be found on top of the air conditioner compressor. The low side service port will be labeled as the low pressure port.