Description
Skip the soldering iron and the guesswork. Emerson builds this harness by hand in the USA specifically for Gibson Les Paul Junior guitars, wired the old way — the way that made vintage single-cutaway tone legendary. Every connection at the input jack is heat-shrink insulated for a solder job that’ll outlast the guitar’s next few owners, and the vintage push-back cloth wire (22 AWG) looks as period-correct as it sounds.
What makes ’50s wiring worth the swap? It’s not subtle. Pull back the volume knob and you keep your top end instead of watching it disappear — the treble bleed that plagues standard wiring just isn’t there. Both pots feel more alive, tracking smoothly with none of the dead spots or sudden jumps you get with modern wiring schemes. Volume and tone controls also talk to each other here, tweed-Fender-amp style: nudge one and the other shifts slightly too. It’s a small learning curve for a much more expressive instrument, and it means you can dial back your volume knob to clean up a cranked amp without losing presence in the mix.
In the box:
- (2) Emerson Pro CTS 500K split-shaft potentiometers (.375″ shaft)
- (1) Switchcraft 1/4″ mono input jack, prewired
- (1) Emerson 0.022uf Bumblebee paper-in-oil capacitor
- Wiring diagram
Before you grab a knob: these split-shaft pots are cut for USA Spec 24-spline push-on knobs. If your guitar came with import-spec knobs (common even on some US-made instruments), you’ll need USA Spec replacements. Take your time seating the knob — if it’s fighting you, gently crimp the top of the pot shaft rather than forcing it, or you risk damaging the shaft.





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