I just wired up a Jag-Stang that I scored off craigslist that was in need of some loving. I replaced the switches, pots, and jack. All is right with the world... except for when I touch the humbucker mounting screws. The all hell breaks loose - especially on a gain channel. I'm thinking that the mounting bracket has somehow come un-grounded and when I touch the screw the antenna that my body is connected to the screw and all the frequencies are sent to the pickup. This sounds right, right? If so is an easy none invasive solution to just solder a wire from the bracket to the back of a pot? Or would that not work? Thanks!