Which A/C access valves '99 Oldsmobile Aurora V8 high/low port
Which one A/C access valves '99 Oldsmobile Aurora V8 high/low port and where A/C system under Oldsmobile hood so I can try to recharge a/c with 134a refrigicant...I noticed it has two ports on the upper left side unless I'm wrong...i know it's supposedly somewhere to be between air compressor/air condensor