do you know where the re-charge fitting is for the a/c,large line ,lo-pressure on 1997 Toyota Supra

i find only 2 ports and both are a 10 mil flare fitting,male. there has to be a adapter to couple on to.or I'm just missing something?thanks

Asked by for the 1997 Toyota Supra
You should only have 2 ports on your a/c line. High and low side. The low side is smaller of 2 which you won't need any adapter for- all the hoses and guages for 134a are the same.