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Traditional Vintage for Precision Bass®

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ObsidianWire Traditional Vintage Pro-Wired Electronics for Precision Bass are a pop in replacement for your old wiring harness. The upgrade will preserve the legacy of your original work horse, with a few tweaks in quality and design to help you roll your own thunder through those bass lines.

Best of all, these are super easy to install, and allow for unlimited solder-less pickup changes with ObsidianWire Plug, Play and Enjoy connectors.

The Heritage of the Traditional Vintage Pro-Wired Electronics for Precision Bass:

ObsidianWire Traditional Vintage Pro-Wired Electronics follow the same tried and true formula of the original P Bass® with the addition of premium selected and hand matched components for greater clarity and control over your tone.

To make your tone crystal clear at lower volumes we also include an ObsidianWire Custom Spec Treble Bleed Mod. This prevents tone 'muddiness' at low volumes by allowing high frequencies to pass along a separate path to your amp, rather than being stopped short by the increasing resistance at the volume control.

Your ObsidianWire Pro-Wired Electronics are built using the world’s best craftsmanship and components:

  • 2 x ObsidianWire Custom Select Pots (Crafted by CTS) 250k or 500k (+/-6%) (Matched to +/-2%) SOLID SHAFT
  • 1 x Genuine Switchcraft J11 Mono Output jack
  • 1 x Obsidian Select Capacitor (150 Series Polyester Film 0.047uf or 0.022uf) (Hand Tested to +/-10%)
  • 1 x ObsidianWire Premium Selected Volume Mod / Treble Bleed - Improved Volume Taper & Clarity
  • 1 x Pre Printed & Easy to Follow Wiring Diagram
  • 1 x Endless Customer Support


ObsidianWire Pro-Wired Electronics for Precsion Bass, are designed to be a direct fit for American and Mexican series Fender® basses. They can also be used to upgrade Japanese Fender & Squier guitars with some adjustments. In the least, you will need a new genuine Fender USA control plate and new 1/4" knobs to fit the higher grade electronics. We cannot guarantee that these will fit any other guitar.

At ObsidianWire we use US spec 1/4" Solid shaft controls. We recommend that you check your knobs are the correct size and replace them if necessary.



Reviews (10)

Yusha Imtia 11th Jun 2018

Fantastic Product

This kit was amazing! I had never done anything with my electronics before so this was a first for me. After reading the instructions provided with the kit and looking up some bass wiring diagrams I put everything together. It was pretty easy overall and a great activity. Would highly recommend to anyone wanting to change/fix their electronics!

Robin G 24th Apr 2018

Quality & Simplicity...

Recently changed out the stock pickups on my MIM P-Bass to Fender Original 62's. I did the 'twist the wires together and wrap them in tape' bodge. Wasn't really happy about this and I've never had much luck soldering to the back of pots - so looked around for a solderless alternative. Decided to give the Obsidian Wire loom a go... First impressions were favourable - the quality of workmanship really is A1 as is the quality of the components used. Same amount of 'give' to the pots is especially welcome. Installation was a breeze and there was no modification required to my pickguard. The only slight issue I had was that (like the OW loom) my pickups have cloth pushback wire. Couldn't understand why the connectors were not gripping until I realised I was just pushing the sleeve down and not the wire inside - doh... simply pushed the sleeve up and grabbed the wire with a pair of needlenose pliers to insert - sorted. It's easy to see by the connectors when the wire is correctly seated and they grip really well Everything 'feels' a lot better now, pots are smooth and the Switchcraft jack is solid. Soundwise the treble bleed mod works for me - and allows more variety on the tone control. I'm using this Bass fior recording/gigging and am confident this loom will not let me down. A 10-15 minute install and while it's not cheap, it is worth every penny. Fantastic customer service and rapid shipping to the remote Island in the English Channel where I live.

Additional Info

Additional Info

At ObsidianWire we use only the absolute best components and craftsmanship. We are so confident that you will experience years of trouble free use, that we guarantee it with an industry leading, three year warranty. If you feel that your Pro-Wired Electronics are not working like they should, please contact us and we will fix or replace them as soon as possible.