Is it the one in the blue or green circle?
blue
... if you bought a refill kit that attaches to the low side port then it will only connect to one of the two ports ... the high side is larger iirc ...
Blue, check out the video posted in the other thread.
This is what Tony posted for me on the other thread:
Click on jd2-98s link in this thread for a mediafile.
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=zetecmaint&Number=1261703&page=0&view=collapsed&sb=5&o=&fpart=2 It took me only 10 minutes to recharge the AC. The AC was blowing totally cold after the recharge....I couldn't believe it.
Only cost $25.