All harnesses are hand crafted and expertly soldered, and usually ship the next day.

This pre-wired upgrade kit will greatly improve the tone of your J Bass. Fits any Fender J-Bass or J- Bass Copy  

Wiring diagram and email support (if needed) is included. 

Install your pre-wired pickups and you're good to go!

 Kit Includes:

(3)  Alpha 250K Ohm Vintage-Style Potentiometers. 

Short-Solid Shaft - Audio Taper, Aluminum bushing and shaft, Long Life Carbon Element. Designed for use in all guitars. Each pot comes with nut and finish washer.

(1)  Orangedrop  .047uf / Tone Capacitor for a smooth warm 50's Tone

(1)  Switchcraft 2 Conductor, Mono 1/4" Output Jack 

Black and white Vintage style 22awg cloth push back wire.

 Standard Potentiometer Specifications

• 1/4″ .25mm Solid Shaft,  3/8″ .310mm Bushing Width, 3/8″ .310mm  Bushing Length
• Pot Size = 15/16 " .945mm  " Height 27.0mm
• Shaft Diameter = 1/4"
• Shaft Length = 3/8 "
• Hole size requirement = 3/8 " 
• Value = 250K Ohms