Will this fit in a mini p bass?

I don't know the specs on a mini. But if the harness and pickups are the same size, then yes.

Is there a unit for jazz bass?

Hi There, Yes there is. You can find this here https://www.amazon.com/ObsidianWire-Pro-Wired-Traditional-Vintage-SOLDERLESS/dp/B01BRU1LHM

Did this fit a fender standard (made in mexico) pickguard out of the box or will it require modification. (Spacing is correct between knob holes?)

Yes, it will fix a pickguard made for a MIM Precision Bass without mods.

would this fit a squier/fender mustang? seems like it would fit but im not sure

I couldn’t say one way or the other. I bought one kit for my Squire Precision and my Squire Jazz. Both manufactured in Indonesia. If the pot layout is similar they should work.

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ObsidianWire Vintage Plus for Precision Bass® Solder-Less Wiring Harness

ObsidianWire Vintage Plus for Precision Bass® Solder-Less Wiring Harness

Product ID: 597145096

Details

Brand
Obsidian
Material
Acrylonitrile
Cable type
Auxiliary
Connector type
Switchcraft
Manufacturer
ObsidianWire

⚡NOS Russian K42Y-2 PIO capacitor for vintage warmth

🎸250kΩ CTS pots for precise tone control

🔧Solderless design for effortless installation

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$U13824

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Description

🎸 Upgrade your bass tone with vintage precision—no solder, all swagger!

EFFORTLESS UPGRADE - Solderless wiring harness means zero soldering—upgrade your Precision Bass in minutes without technical hassle.
PRECISION TUNED CTS POTS - Hand-matched Emerson Pro CTS 250kΩ pots deliver ultra-smooth audio taper with ±6% accuracy for flawless tone shaping.
VINTAGE WARMTH CAPACITOR - Authentic NOS Russian Cold War Era 0.047µF K42Y-2 PIO capacitor injects rich, classic midrange warmth and clarity.
COMPLETE INSTALLATION KIT - Includes detailed wiring diagram to ensure a seamless, professional-grade installation every time.
PREMIUM VOLUME MOD TREBLE BLEED - Integrated volume mod and treble bleed circuit preserve your high-end sparkle even at lower volumes.

The ObsidianWire Vintage Plus harness is a premium solderless wiring upgrade for Precision Bass guitars, featuring hand-matched Emerson Pro CTS 250kΩ pots, a rare NOS Russian K42Y-2 PIO capacitor, and built-in volume mod with treble bleed. Designed for easy installation and authentic vintage tone, it’s the perfect upgrade for discerning bassists seeking classic sound and modern convenience.

Specifications

ASIN	B01BRV6DEM
Best Sellers Rank	#24,141 in Musical Instruments ( See Top 100 in Musical Instruments ) #7 in Bass Guitar Electronics
Brand Name	Obsidian
Cable Type	1/4 inch TS (Tip-Sleeve) phone connector
Connector Type	Switchcraft J11 Mono
Customer Reviews	4.6 4.6 out of 5 stars (77)
Manufacturer	ObsidianWire
Material Type	Acrylonitrile Butadiene Styrene
Model	8415394617
Part Number	PB Vintage 250k

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TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

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$U13824

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Uruguay.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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