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Post subject: wiring mod
Posted: Wed Jul 23, 2008 9:46 am
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ok ive thought and thought it over. Whilst im in the middle of modding my no'1. I want to rewire the pickguard. I want a switch tone control like a esquire, all pickups on all the time and 3 volume controls, one for each pickup.

Anyone got any idea's on how to do this?

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Posted: Wed Jul 23, 2008 12:07 pm
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That's actually quite simple. Remove the tone capacitor and bypass the switch by connecting all pickups directly to the potentiometers instead of to the switch.


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Posted: Wed Jul 23, 2008 12:25 pm
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thank.s mate. Got any idea about the esquire tone switch. Im good at soldering but have no clue regarding wiring. i can follow a drawing but not design one.

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Posted: Wed Jul 23, 2008 12:43 pm
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I know nothing about the Esquire tone switch, so I can't really help you there.


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Posted: Wed Jul 23, 2008 1:25 pm
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Hi Nikininja

All I know about the Esquire is what I'm seeing on Fender's wiring diagram:

http://www.fender.com/support/diagrams/ ... 02APg2.pdf

And on the switch function sheet:

http://www.fender.com/support/diagrams/ ... 02APg4.pdf

Far as I can see, it's just a regular three-way switch set up to give different tone options via the caps. Is that right? So what I'm guessing, you'd just need to attach all three pickups, via their volume pots, where that Esquire just has the one pickup inserted, in order to acheive your desire. Then the three pickups would be always on, in parallel, selectable via their respective volume knobs.

That just sounds too easy. As I've said before, I am a wiring dunce, so I'm really just posting this so that someone else can show me where I am going wrong. Gravity Jim? Mr Bill? Chet? Anyone...?

Very interested to see what the real solution to this turns out to be...

Cheers - C


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Posted: Wed Jul 23, 2008 1:50 pm
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Thanks mate

looking at the esquire controls i think it could be a specialist job. I mistakenly thought the switch was, tone full on/half/off. I wouldnt want to sacrifice a volume control to keep a tone control, and couldnt be without a tone control either. Im gonna try it anyway without the tone control and then decide if its a keeper.

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Posted: Wed Jul 23, 2008 2:09 pm
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Hi, me again:

So, way I'm hearing it, what you are really after is a Straty variation on BB King's Lucille, with its varitone selector. Add a third pickup, leave out Lucille's tone controls and pup selector switch, and use the Strat's five-way switch instead of BB's rotary varitone. Right?

So any fool ought to be able to look at the schematic for BB's guitar and adapt it to the Strat platform. Trouble is, when I look at that schematic, all I see is spaghetti:

http://www.gibson.com/Files/schematics/thinline.gif

Yep. A specialist job, far as I'm concerned. But then, you are planning to self-build a Torres amp :shock: . So this is kid's stuff to you...?

Bet there's someone here who can make it work, though.

G'night - C


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Posted: Wed Jul 23, 2008 4:40 pm
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Ceri wrote:
... use the Strat's five-way switch instead of BB's rotary varitone. Right?


That is certainly possible. Except! That varitone rotary switch has got like 8 settings ... the strat selector switch has only 3 plus the two "combined" settings.

Ninja, have you searched any of the guitar wiring web sites?

I can think of a way of wiring it that will give five different tone levels; like having just five spots that work on a tone pot.

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Posted: Wed Jul 23, 2008 5:47 pm
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couldnt find anything everyone seems into series parallel mods. :(

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Posted: Wed Jul 23, 2008 7:58 pm
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Here's a quick drawing of my circuit idea. I only show one pickup/volume pot in the circuit.

Image

The normal tone control is just an adjustable resistor (the pot) and a capacitor that shunts the signal to ground. So using just one side of the pickup selector switch, this circuit changes the value of the resistor in the shunt. The values of the three resistors labeled A, B, & C? I'm not sure what would work best. I figure A = 250K ohms, B = 100K ohms, and C = 20K ohms would be a good start. I don't know if B should be higher, like 150K or maybe C should be lower.

Switch position 1 connects "dots" 1 and 2 in the drawing (corresponding to lugs of the switch), switch position 3 connects "dots" 1 and 3, etc. The in-between switch positions, 2 and 4, parallel two of the resistors: switch position 2 parallels A & B, switch position 4 parallels B & C, giving two more resistor values.

The only thing bad is that the tones aren't monotone (by this I mean that the tones don't get progressively bassier as you switch from postition 1 thru 5), but it would work. Might be cool.

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Posted: Thu Jul 24, 2008 10:51 am
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thats fantastic.
i suppose its just a case of wiring all the pickups to their respective volume pots and the no1 position on the switch and all of them to the output jack. wouldnt the tonecap need to be connected to all pickup grounds and the volume pots?

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Posted: Thu Jul 24, 2008 12:03 pm
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It's simple, but why? :wink:

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Posted: Thu Jul 24, 2008 2:04 pm
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orvilleowner wrote:
... See above ...


It's a great Forum, ain't it?

:D - C


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Posted: Thu Jul 24, 2008 5:14 pm
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Quote:
i suppose its just a case of wiring all the pickups to their respective volume pots and the no1 position on the switch and all of them to the output jack.


Right, all the hot from all three volumes would connect up to Lug 1. Only one wire needs to go from Lug 1 to the output jack (hot/tip connection).

Quote:
wouldnt the tonecap need to be connected to all pickup grounds and the volume pots?


My diagram shows one end of the tone cap going to ground (the lower line of my drawing). How you actually wire it up, grounding wise, is up to you.

Let me know if you try it and how it turns out.

The thing about all three pickups "on" all the time is that if one of the volume knobs is set at zero, you could lose all sound entirely. I believe that's a problem with dual humbucker/dual volume sets up when you use the middle switch position.

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