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Reply to "AC Charging location"

Should be right on the compressor itself. Origional valves used a 1/4" king valve to open and close and old style guages will screw right on. Newer style will have the r134 connections. The fitting on the dryer in the back is in the the high pressure side of the system and not a charging line. I would not try charging thru that unless you are pumping the system down and weighing the charge in with the system not running. Without seeing it I would think it is a tap for a pressure switch. Hope that helps.

Angelo
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