1993 Chevrolet S10 Q&A

1993 Chevrolet S10 Question: ac recharge

I am not sure ig the ac on my new used truck-- the fitings on the ac have been changed so Im not sure if it is old or new freon --- plus I am not sure how to hook it up-- -
Answer 1
The refrigerant is defiantly R134a. But I have not got access to information that shows clearly where the charge ports are to connect the air conditioning pressure gauges. -
Related Items:
Blower fan still works,but ac only works at top fan speed. Condition only happens on high heat/humidity days. Ac will work on top fan speed if on the highway or moving fast enough to keep condens...