What you say?? But since this is an internationsal forum, I thought I would give this a try. I want to recharge the A/C on my 84 VW, but the output ports on the compressor have an S on one and an O on the other. Can some one out there direct me as to which is the high side or the low side. I just don't know if this is a Germanicon appreviation for anything.

thanks,
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