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Tone Man Guitar

Fender Mustang Wiring Harness – Prewired Upgrade

Fender Mustang Wiring Harness – Prewired Upgrade

🗹 Fender Mustang wiring harness - for 2-control Mustangs with a 3-way toggle switch.
🗹 Prewired for a drop-in upgrade - save time and work.
🗹 Hand-built and soldered in the USA
🗹 The highest quality components: Bourns Pro Audio pots (250K or 500K, your choice), Switchcraft/Centralab 3-way toggle switch, Switchcraft jack, Gavitt cloth push-back wire, and a Paper-in-Oil (PIO) .033uF tone cap.
🗹 Every harness tested and 100% guaranteed!
🗹 FREE SHIPPING USA
🗹 Over 10,000 customers served since 2013

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🗹 Questions? Custom orders? Looking for something else? Contact me, I'm glad to help.
Gary Standerfer - Tone Man Guitar.
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Regular price $95.99 USD
Regular price Sale price $95.99 USD
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Not sure it fits? Email Gary before you order

What players say · from verified buyers

“Will improve your tone more than you think! I've put these harnesses in American and Mexican mustangs and both sound much more clear and defined.”

Mustang owner

“Your work is exemplary. One of the cleanest and neatest soldering jobs I've ever seen.”

Ed M., Harrisville, WV · Strat

“His detail to attention, craftsmanship and quality is the best I have ever seen. I really do just sound and play better.”

John L., Nashville, TN · Strat & Telecaster

Upgrade your guitar with the Tone Man Guitar Premium Mustang Standard wiring harness.  This prewired harness uses high-quality components for smoother control, improved reliability, and true vintage tone.  Each harness is carefully assembled and tested in my shop with pride and includes a wiring diagram and installation instructions for easy installation.  I want you to be 100% satisfied!

  • Premium quality components
  • 50s wiring configuration for the best tone
  • Clear wiring diagram included for easy installation
  • Ships to your USA front door for FREE

Product Description

This prewired Premium Mustang wiring harness uses premium components selected for reliability and tonal performance.  The vintage 50s wiring helps maintain clarity when you roll down the volume, delivers smooth, responsive tone control, and improves sustain.

What's Included

  • Bourns Pro Audio potentiometers, coarse spline (short shaft).  Choose your potentiometer value (above):
    • 250K (Vintage / Single Coil)
    • 500K (Brighter / Humbucker / P90)
  • Paper-in-oil tone capacitor .033uf
  • Switchcraft or Centralab 3-way right-angle switch, black tip
  • Switchcraft 1/4 jack
  • Vintage-style cloth Gavitt push-back wire
  • Fully prewired harness assembly board drilled to specs
  • Wiring diagram and installation instructions

For additional product details, see our Product Information page.

Tone Benefits

  • Improved clarity, signal response, and sustain
  • Smooth volume and tone controls
  • Vintage style tonal response
  • Reliable professional-grade components

Compatibility: Fits 2-control Fender Mustangs with a 3-way toggle switch (e.g., Player Mustang, Mustang 90). Not for vintage-style Mustangs with slide switches. 

  • Knob fitting requires 18-tooth coarse spline knobs (we sell new knobs)
  • If you're not sure what you need, reach back out to us through the "Contact Us" link

We custom-build this wiring harness to order after purchase.  Lead time to build the harness prior to shipping is 4 to 6 business days. In stock means we have the parts to build your wiring harness.

Cheers,

Gary Standerfer / Tone Man Guitar

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