Originally Posted by parallelcircuits
If it has been converted the connections on the condenser will be snap on ones like a air hose has if they are the screw on type it is R12. I know my wifes old 93 tercel was 134a but I am not sure when GM switched their cars to R134a.
That is the thing. They screw on but still resemmble the Air hose attachment features
Almost like both connectors were built it to one. No stickers state what type it uses. And My wifes 93 grand caravan uses 134a so I have a bunch left over and wanted to maybe recharge mine alittle but it does not look like it favors either or connector.