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How do I wire an EMG BTC to the 2 volume controls on a Fender Jazz.. The BTC is concentric with 'Quick Connect' attachments. The Volume pots are hardwired.

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Posted on Jan 02, 2017


Michial Gueffroy

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SOURCE: Need Fender Squier Bullet 1 w/3 pickups, 1 vol, 1 tone wire diag

I think this is what you are looking for: Please let me know if this helps.

Posted on Dec 10, 2009


John Fourteen Six

  • 2418 Answers

SOURCE: Shadow Kill Pot Wiring Diagram with 2 active

Are you using the original solderless wiring? Are you starting from scratch? Are just wanting to install the Shadow pot into an already working guitar? If you are working on an already working guitar Please give the model number, if EMG equipped, So I know where and what we have to work with. But this should be a straight up fairly easy setup. The Shadow pot just replaces the normal volume pot. Off to work, but will be back with you.

Posted on Sep 09, 2011

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EMG's use 5k pots if you bought the ones for the actives, unless your single coils are active you can't use it. 250k or 500k is standard.

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I have a bad pot on the very last knob closer to the bridge if i want to replace it could 250k be replace with 500k pot or vice verse

You can. If it is a tone control you may have a reduced effective rotation range. Probably this won't matter to most people. As a volume replacement, replacing with a lower value may reduce treble slightly, and a higher value increase treble slightly. It is quite a small effect though and you may even like it better.

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Hi, I just installed an EMG P/J along with a Bass Treble System. I feel sure that I followed the schematic right. My problem is the front PU doesn't work. The balance control has a static kind of noise...

Without the instrument, and assuming all connections are solid parts are new I'm gonna guess low battery voltage. That's my guess because a bad 9V can cause things to freakout, and Sam - that Pbass is freaking out.

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On my squier strat the volume doesnt come out through theamp at all[i know it's not the amp or cable cuz i've hooked others things up to it to make sure]. Everytime i push and hold the volume knob at 10...

It is not clear if the volume knob you are talking about is in the amp or the guitar... SINCE you said you verified the amp is OK I have to assume the volume control you are talking about is in the guitar and my answer is based on that...

I SUSPECT that the resistance element and/or the wiper in the volume pot is damaged. One other possibility is the soldering of a wire to the volume pot may be bad. If you are competent with a soldering iron you could replace the pot yourself or take it to a competent guitar shop for repair. I would myself suggest you open the electronics and look for anything obviously wrong. I have ALSO seen one other problem where one lead of a pot is touching the CONDUCTIVE paint in the cavity where the controls are. If the shaft nut becomes loose and the pot slightly rotates this can happen, grounding out the signal.

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I have a fender guitar amplifier, and I can't get any low volume out of it. At level 1 on the dial the volume is sooo loud - no gradual increase at all. It's impossible to play softly. What's going on?

It sounds like (pun intended) the volume pot just needs to be replaced. A good pot is worth about $5 and then you just need to solder it in. That tends to be the tricky part if you can't solder. It takes longer to heat up the iron than it does to do the job. I'd assume this happened either after it had sat for quite a while or after a move.
What can happen is the wiper or the resist inside the pot breaksor even the wire to the pot breaks and there goes your volume control. Depending on what model of amp you have you don't want to run it like this for too long. You can't fix the pot but you do need to replace it. I would assume it sounds like it is either full on or doesn't change the volume at all.
This is one of those maintenance things you should check for from time to time. you may notice that the pots get noisy or inconsistent for a while and then they do this kind of thing.
The attenuator will kill the volume but that doesn't actually fix the problem you have. When the amp is running properly you should be able to get quite a low volume. If you need to run it harder so that it gets into the distortion range then a attenuator will drop the volume down to a practice at home non eviction volume ;-]

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There are FOUR controls that affect the volume of signals going through plus the tone controlling ones.
and your
You used the word "volume". Based on the schematic, and assuming you are talking about the control labeled "Volume" and not reverb, master or drive, I can give some hints.

OFTEN the resistance element in pots MAY have a bit of overtravel which can act like your unit, but USUALLY not as far upscale as yours appears..

If the control you are refering to is not the "Volume" but one of the others, then there are other things to look at.

The action you describe would be one of probablly an inverse signal leaking through and when you go up to 1.5 you are actually cancelling the leakage.

I SUSPECT you may have a cracked circuit board in the vicinity of the input jacks that is leaking the inverse phase of the input past the input triode tube stage.

Board cracks OFTEN occur near input jacks because people trip over cords... (save yourself by running cord through a handle before plugging in the plug)

This should be easy to find. Connect an audio generator to the input and use a scope to find the problem. Without a scope, use a capacitor to "ground out" suspected signal paths.

On the schematic they show a resistor (10 ohms) from ground near the input to the pot bracket. I have personally SEEN capacitive coupling to pot brackets feeding into the amps from this source sending in stray signals.

If this is connected to other equipment, a ground loop could cause problem, so test with nothing but the guitar connected.

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I'm missing the volume pot and dont know which one to buy. Its a champion 30 dsp fender guitar amp. Thanks

There are two volume controls. One is "drive volume" the other just "volume"

The plain volume control is a 50K ohm, linear taper.(A) old marking

The Drive volume is a 100K ohm Log taper.(C) old marking

Find suitablel parts at or or find a Febder repair center to order the part.

From other than Fender, You may have to shorten the shaft with a hacksaw to match your needs.

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