Thank you simidrm! I just got back from NASCAR races in Homestead-Miami and strange enough, the AC was very cold this trip! I did find the second port was out of view behind some hoses, for future reference. Looking around the forum further I also found that most of the dash AC system is not Ford, but done by another company that is used by many RV manufacturers.
Hopefully the AC was froze up the previous trip when the air wasn't very cold. Time will tell!
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