The tubing should connect to the back of the gauge with a brass crush sleeve and a brass screw-on collar. you feed the tube through the screw-on collar, and then slide the crush sleeve over the tubing. Leave about 1/4" or less of tubing sticking out past the crush sleeve, then insert the tubing/crush sleeve into the gauge hole and then tighten the screw-on collar over the crush sleeve. Don't tighten it too much or you will cut into the palstic tubing.
On the other end, just connect the tubing to an open port on the Vac tree on your firewall. remove the rubber cap that is there now, and then slide some small diameter rubber tubing over the open port, then insert the vacuum line tubing into the rubber tube.
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1992 LX 5.0 Convertible Red/Blk
Gears, Exhaust, bolt-ons...
R.H.C. #51
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