Bob, you're not making any sense. Post photos of torche without power connection. Or links to products you're talking about. Impossible that you were using previous welder for stick-welding, but can't for TIG.
Here's very simple-looking torche with power AND gas on single dinse connector.
https://www.amazon.com/17-1-Piece-Co...dp/B0BKR6828H/
here's video of combo power and gas connector. Power travels down braided conductor of torche.
https://www.amazon.com/vdp/0d608c432..._remD6QD4WdyVz