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I've seen some of the solutions on here for grafting in the LS pressure sensor fitting. Because I went with EZ clip fittings, I ended up having to fabricate something.
I purchased the weld on adapter from: http://autoacfittings.com/R134a-Stee...-Port-4166.htm or from Ebay http://www.ebay.com/itm/251621696215?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
I then used a Red Dot EZ clip R-134 high pressure fill adapter, cut off the port and tig welded the fitting to it.
It should work but, may be a while at the rate I'm going.
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AC pressure sensor solution 
