Torch cutting voltage

IF you have the hand torch Im pretty sure you’ll have do some stuff with the internals. When I had two hand torches on my hypertherms I had to modify. I now run a cnc torch so its all plug and play. thatd be my guess without reading back through everything. When FC is open I’ll see a little bit of constant voltage fluctuate when nothing is cutting.

Hello sir do you by chance know which is red/ground in the (2 & 1)