Hi, I just bought a 1990 Gibson ES335. It is absolutely killer but I think something might be wrong with the wiring. When the toggle switch is in the middle position, I don't really hear a difference when I turn either of the pickups down and when I turn (either) one all the way down, the guitar is now muted. Is this normal for 90's wiring? Every other Les Paul that I've owned, if I had it in the middle position and turned the neck pickup all the way down, I still 100% bridge pick up just as if I was in the bridge position on the toggle.
Thanks! Bob