Where the heck is the high side service port on a '92 Montero?

It isn't on my receiver\drier. There may be a fitting on the high side manifold for the compressor - but I've never seen a metal cap like that on a service port - not sure I just want to pull it w/out verification.

Thanks yall!


92 Montero SR
84 Maserati Biturbo
89 Mercedes 190E
77 Fiat X1/9