V-T

Pre-Wired Passive Harness

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control panel bullet iconMULTIPLE CONFIGURATIONS AVAILABLE (INCLUDING PRE-MOUNTED JAZZ BASS® PLATES) TO FIT LOTS OF BASSES

 

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DESCRIPTION

These passive wiring harness are a great replacement for your current bass's passive wiring harness or as a passive replacement for a preamp.

Our harnesses use quality 250k Noble® brand pots, multi-strand wire, Sprague® "Orange Drop" .047 capacitors, and a Switchcraft® jack (stereo or mono, depending on availability).

Harnesses are professionally wired in the Fat Bass Tone shop.

All of our passive harnesses are now pre-wired using solderless connectors. This means that you should be able to install the harness without any soldering. A mini flathead screwdriver is included to allow you to screw down the terminals on to the necessary wires.  Read more here.
(*If you are installing into a bass with a barrel jack, you may need to solder a couple connections)

M/N style taper used on harnesses that use a Blend pot.  This taper has no volume loss at center detente.

Loaded Jazz Plates are available for 3 knob configurations.

Pre-wired harnesses featuring a StellarTone ToneStyler are also available.

FREQUENTLY ASKED QUESTIONS

How do you connect the DiMarzio 60’s pickups to a pre-wired passive harness that uses solderless connectors?

On DiMarzio 60's pickups, specifically - Pickup wires bare and black are ground, white is signal (hot). Pickup grounds can go to connector labeled pickup ground in the diagram. The other dedicated ground block can be for your bridge ground wire, and any additional ground wires you may happen to have.

Will the Volume-Tone Prewired Passive Harness fit in the electrics cavity of a Mustang bass?

Yes.

Can the Pre-wired passive harness be wired for lefty basses?

Some left handed instruments have controls that turn anti-clockwise for ‘more’, while other lefty instruments are wired the normal way. The harness sold on FBT can only be wired the normal way due to the right hand taper of the pots we use. You would want to seek out ‘left hand taper’ pots for them to be effectively wired lefty.

Will the pre-wired passive harness work on a Warwick passive bass?

The standard passive harness would be fine for Warwick, but here’s a few notes. 1) You may have to ream out the pot holes to accommodate the 3/8” bushings of the pots used and 2) for it be a fully solderless install you would need to add a pre wired barrel jack to the order, due to the type of jack used in Warwick.



 

LAYOUTS

1 Pickup: Volume - Tone

2 Pickup: Volume - Volume - Tone

2 Pickup: Volume - Blend - Tone

2 Pickup: Volume -Volume - Tone - Tone

2 Pickup: Volume - Blend - Tone - Tone

2 Pickup: Volume/Tone Stack - Blend

2 Pickup: Volume/Tone Stack - Volume/Tone Stack



Customer Reviews

Based on 125 reviews
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J
John B.
Quality product and service

Good quality passive harness. Easy to install and works perfectly. Thanks

P
Peter J.C.
Excellent product

Excellent product easy to use, setup is quick

A
Anthony M.
Amazing! Night and day difference.

I bought an Ibanez Talman TMB30 short scale bass recently. The stock controls were VVT, and they were more or less an on/off switch for each pickup and a tone control that was all the way on or all the way off.

I’m terrible at soldering, so finding a solderless wiring option was huge for me. I wanted a simplified layout with a master tone and volume, and either a switch or blend knob for switching between pickups. I also wanted to leave some room for the possibility of swapping the pickups if I ever wanted to upgrade them. So the V-B-T harness was perfect for my needs.

The wiring couldn’t have been easier. The included diagram made it simple. I was able to easily figure out which wires were which on the stock wiring. I clipped them off, stripped enough bare wire to hook them into the harness, and screwed down the terminals.

I did have to drill out the existing holes on the control plate, which I knew I’d have to do. But once everything was connected and reinstalled, it looked… the same. The same three knob control layout.

But plugged in? Wow! Dead silent. No hum. The volume control works through the whole sweep. The blend knob is amazing. I can already tell I’m going to enjoy the tonal options of pickup balance. The tone knob has range now where it didn’t do any more than be fully on or off. And the volume knob now being a master volume is my dream setup.

J
James N.
Passive harness

I bought this to upgrade a cheap Glarry knockoff and it works very well. I’ll be upgrading pickups, bridge, and tuners in stages.
Thank y’all for your attention to details from your fine company.
Jay New

S
Son V.
Sounds great, Super Easy Install

I've owned and installed a few other solderless wiring harnesses, and this was the first one I did that was not only trouble-free but took only 10 minutes tops to put in. Couldn't have been easier. Smooth and works as it should. The tone knob took a little getting used to (all the way clockwise disengages it) but other than that, it's smooth. Thank you!!! Customer service was nothing short of stellar! Those bags of chips were epic!

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