Les Paul Jr Wiring Diagram: 2026 Complete Connection Guide
A classic Les Paul Jr wiring diagram routes the P-90 pickup hot wire (center core) to lug 1 of a 500K volume potentiometer. The outer braided wire acts as the ground wire attached to the volume pot casing. A 0.022µF capacitor bridges volume lug 2 (50s style) or lug 1 (modern) to tone lug 3….
