Hi, I got a really good idea for a custom guitar but it needs a crucial piece of information. I need to know how much voltage a guitar puts out as it leaves the jack. The hottest pickup (though it's measured in ohms, I know, so maybe it's irrelevant) is a Gibson super ceramic 500T The others are a Fender TexMex and a Fender hot noiseless. I really don't know much about how electronics work, just how to wire it, outside of grounding wires run a current and leads transfer "information."