I have a 99 cavalier and I can only see one port for the A/C. I have looked around on the haynes book and online some but have not found anything very useful. If anyone can enlighten me on how to find and determine which is which, it would be greatly appreciated.
The low side port is on the top of the line coming from the accumulator next to the top right side engine mount.
The high side port is on the bottom of the high side line going to the condenser from the compressor just behind the radiator.
hope this helps
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