Its on the receiver dryer located near the firewall. You can view a diagram of this on the below link. Just follow the "Find your low side port" link.
where is the fill port on a 2004 ford explorer rear end
The 2004 Mitsubishi Lancer OBD 2 port is on lower right corner dash; next to console kick panel
The 2004 Volkswagon Bettle OBD 2 port is on lower edge of dash at left side
The 2004 Hyundai Elantra OBD 2 port is on lower edge of dash between steering column & hood release
The 2004 Ford Focus OBD 2 port is on lower left of hood release; behind unmarked pull-down door
You can recharge your 2004 Lincoln LS from the low pressure port. The low pressure port can be found on the top of the air conditioning compressor.
From what i know, Its a stock stario and no jack, Sorry dude
The 2004 Chevrolet Venture OBD 2 port is on lower edge of dash; left of or under steering column
The 2005 Ford Explorer OBD 2 port is on lower edge of dash; left of steering column directly above parking brake release handle in panel cut out.
The 2004 Ford Escape OBD 2 port is on lower edge of dash, right of hood release
where is the ac recharge port on a 93 ford explorer located?
I'm sorry , what do you mean by a " universal port "