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Post subject: What is this mysterious wire?
Posted: Wed Apr 01, 2015 7:41 am
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If you guys look at your guitar wiring, you would notice that there is a supposedly this "ground wire" that connects the backs of every pot in your guitar. This wire exists on every official fender wiring diagram. Based on my knowledge on guitar wiring, I can't really ascertain why this wire is there to connect the backs of every pots. I've seen some custom guitars that work fine without them. Why?? Pls feed my curious mind. I'm sorry if this looks like a stupid question, I just wanna know.


Last edited by stygionyx on Wed Apr 01, 2015 7:56 am, edited 1 time in total.

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Post subject: Re: What is this mysterious wire?
Posted: Wed Apr 01, 2015 7:49 am
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those wires are actually designed to carry 'mojo' to the various components of the guitar. The reason you haven't seen that on those other custom guitars, is because only Fender guitars have mojo. :idea: True story. :wink:

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Post subject: Re: What is this mysterious wire?
Posted: Wed Apr 01, 2015 12:27 pm
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Noise reduction, which is more important on single coil guitars.

This might be a useful intro:
http://alexplorer.net/guitar/basics/grounding.html


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Post subject: Re: What is this mysterious wire?
Posted: Wed Apr 01, 2015 4:53 pm
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strings10927 wrote:
those wires are actually designed to carry 'mojo' to the various components of the guitar. The reason you haven't seen that on those other custom guitars, is because only Fender guitars have mojo. :idea: True story. :wink:
I can't argue with that :lol:

arth1 wrote:
Noise reduction, which is more important on single coil guitars.

This might be a useful intro:
http://alexplorer.net/guitar/basics/grounding.html

That's a nice reading, especially about ground loop. Which raises another question. I believe that most pickguard that Fender produce have already been properly shielded with copper foil (some pickguard have shielding only around the pots area). Simply by mounting the pots on those pickguard would naturally "connect" all the pots together. So why would Fender still make the connection between back of the pots? Would this make a ground loop since connection between pots already existed through pickguard copper foil? Or maybe this have to do with Fender mojo.


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Post subject: Re: What is this mysterious wire?
Posted: Wed Apr 01, 2015 8:09 pm
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It can be a ground loop(s), and on many guitars, I have clipped those wires off with no detriment to the guitars function or sound. I suppose that if the thin shielding tape develops a break, and has no contact with the pots, the circuit would be compromised without the wires connecting the pots. I really like the aluminum, full pick guard shields for great pot connections, and with this, there is no need for the wires connecting the pots. Really, all ground wires should connect to the back of one pot, then the pot connecting wires would be completely unnecessary.

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Post subject: Re: What is this mysterious wire?
Posted: Thu Apr 02, 2015 3:29 am
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shimmilou wrote:
It can be a ground loop(s), and on many guitars, I have clipped those wires off with no detriment to the guitars function or sound. I suppose that if the thin shielding tape develops a break, and has no contact with the pots, the circuit would be compromised without the wires connecting the pots. I really like the aluminum, full pick guard shields for great pot connections, and with this, there is no need for the wires connecting the pots. Really, all ground wires should connect to the back of one pot, then the pot connecting wires would be completely unnecessary.


+1 A single ground point is much better.

8)

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Post subject: Re: What is this mysterious wire?
Posted: Sun Apr 05, 2015 4:32 pm
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I was more mystified when I changed pickups on my MIM tele, and discovered that the ground wire for each of the old pickups had a plate on it screwed into the wood. No shielding or anything, just "grounded" to the wood, with wood screws.
The mind boggles.


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Post subject: Re: What is this mysterious wire?
Posted: Sun Apr 05, 2015 7:54 pm
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arth1 wrote:
I was more mystified when I changed pickups on my MIM tele, and discovered that the ground wire for each of the old pickups had a plate on it screwed into the wood. No shielding or anything, just "grounded" to the wood, with wood screws.
The mind boggles.

As long as they work, I just accept the engineer's logic :lol:


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Post subject: Re: What is this mysterious wire?
Posted: Sun Apr 05, 2015 8:43 pm
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stygionyx wrote:
If you guys look at your guitar wiring, you would notice that there is a supposedly this "ground wire" that connects the backs of every pot in your guitar. This wire exists on every official fender wiring diagram. Based on my knowledge on guitar wiring, I can't really ascertain why this wire is there to connect the backs of every pots. I've seen some custom guitars that work fine without them. Why?? Pls feed my curious mind. I'm sorry if this looks like a stupid question, I just wanna know.

stygionyx
arth1 wrote:
I was more mystified when I changed pickups on my MIM tele, and discovered that the ground wire for each of the old pickups had a plate on it screwed into the wood. No shielding or anything, just "grounded" to the wood, with wood screws.
The mind boggles.

As long as they work, I just accept the engineer's logic :lol:

+1 :lol:

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