
Obsidian
ObsidianWire 8415394617 Vintage Plus Precision Bass Harness
★★★★★
Drop-in solder-less wiring harness with NOS Russian capacitor and Emerson Pro CTS pots for Precision Bass guitars.
$72.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Key Features
Solderless Wiring Harness Upgrade for Precision Bass
Hand Matched Emerson Pro CTS Solid Shaft Pots 250 k w/.250" (Audio taper) (+/-6%)
NOS Russian Cold War Era 0.047uf K42Y-2 PIO Capacitor
Premium Volume Mod / Treble Bleed
Wiring Diagram Included
Specifications
Compatibility
Fender Precision Bass; Squier Precision Bass (with adjustments)
Potentiometers
Hand Matched Emerson Pro CTS 250K Solid Shaft (Audio Taper, ±6%)
Capacitor
NOS Russian Cold War Era 0.047µF K42Y-2 PIO
Treble Bleed
Premium Volume Mod
Output Jack
Switchcraft J11 Mono
Connector Type
1/4" TS (Tip-Sleeve)
Installation
Solder-less (Obsidian Plug, Play & Enjoy connectors)
Pros & Cons
👍 Pros
- Solder-less installation makes upgrading electronics accessible to players with no wiring experience.
- Hand-matched Emerson Pro CTS pots provide tighter tolerance than stock potentiometers for consistent taper and feel.
- NOS Russian paper-in-oil capacitor delivers a warmer, more musical tone compared to standard ceramic caps.
- Integrated treble bleed mod preserves clarity at lower volume settings without requiring a separate modification.
- Switchcraft J11 output jack is a proven, durable upgrade over many factory-installed jacks.
👎 Cons
- Solid shaft pots may not fit pickguards or knobs designed for split-shaft potentiometers without adapter or knob replacement.
- Limited to Precision Bass wiring configurations and cannot be used for Jazz Bass or other pickup layouts.
- The solder-less connectors are proprietary, so swapping in third-party pickups may still require soldering to adapt leads.
- Premium components place this harness at a higher price point than basic replacement wiring kits.
Frequently Asked Questions
Does this harness require any soldering to install?
No. The ObsidianWire Vintage Plus uses proprietary Plug, Play & Enjoy connectors that eliminate the need for soldering entirely.
Will this fit a Squier Precision Bass?
Yes, though some adjustments may be needed. It is designed as a direct fit for Fender Precision Bass guitars.
What type of capacitor is included in this harness?
It includes a NOS (New Old Stock) Russian Cold War Era 0.047uf K42Y-2 paper-in-oil capacitor, valued for its warm tonal characteristics.
What does the treble bleed mod do on this harness?
The premium treble bleed mod preserves high-frequency clarity as you roll down the volume, preventing the muddy tone rolloff common with standard wiring.
What output jack is included?
The harness comes with a Switchcraft J11 mono jack, an industry-standard connector known for durability and reliable signal transfer.