Check the ground wire that's held in place by the tailpiece hasn't broked off and is flapping around inside the cavity- this happened to me and my CIJ Jag when I was a IRL noob and didn't know it could be 'til I went a-poking about.Reece wrote: the Jaguar has a grounding problem

One of my attainable dream guitars (black-tort CP Jazzmaster) is hanging up in the local shop and I've got enough money to buy, but possibly be broke for the first term back at uni. REALLY MUSN'T.