#1
Ok, my guitar has just developed (overnight) a loud hum when plugged in. No idea how this came about as I haven't altered anything.

Before I open anything up I wanted to check what it could be.. touching any of the metal components no longer removes the hum (it was a few minutes ago) and touching the bridge humbucker cover makes it worse! Sounds like it could be a loose component inside. Any ideas?

Control cavity is properly shielded etc. and I have tried different cables. Not sure if anything in the room could be causing it (wifi router, TV, etc).
#2
check the power cable input on our amp, it maybe that cause i thought i had a grounding problem in my guitar, but i played with the power cable out and it was fine
#3
odds are your cable
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#4
Quote by sgc09
check the power cable input on our amp, it maybe that cause i thought i had a grounding problem in my guitar, but i played with the power cable out and it was fine


Heh, yes my amp power cable was loose... but the hum is still there, although now it disappears when I touch metal components on the guitar and increases when I touch the humbucker cover.

Something wrong inside?
#5
grounding issue

check the wiring on the guitar and don`t plug your amp into a multiple power strip, go direct into the wall
#6
Are you playing clean or distorted? Someone may have cranked your gain real high while you were having a lunch break.
You know, you're probably reading this saying "Hey, I'm bored, maybe this'll be funny?"
It's not. Too bad. No, I am not refunding you those 6 seconds of your life. So :P


#8
Quote by Snap017
Are you playing clean or distorted? Someone may have cranked your gain real high while you were having a lunch break.

Haha.. nah, pretty clean.. with gain it just sounds slightly worse.

Switched the amp so that it goes straight into the wall.. still no improvement.
I guess the guitar's just badly shielded.. the weird thing is that this just wasn't happening a few days ago.
#9
2 words, then.

Noise...suppressor. Magical little box that makes the noise go away.
You know, you're probably reading this saying "Hey, I'm bored, maybe this'll be funny?"
It's not. Too bad. No, I am not refunding you those 6 seconds of your life. So :P


#10
you need a screwdriver a soldering iron and some solder and a keen eye.

use screwdriver to undo screws on input jack/scratchplate/control cavity cover

use keen eye to look for any loose/broken wires

use soldering iron and solder to fix loose/broken wires

use screwdriver to replace input jack/scarachplate/control cavity cover

job done
#11
Plug something else other than your guitar into the amp to see if the hum remains.
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#12
It's definitely the guitar + TV interference causing bother. I've played around with gain etc. until it's not so bad anymore and I have a noise suppressor on my effects pedal.

Oh well, I couldn't see any wiring problems (I also couldn't find the wire to ground, assuming it's bridge grounded) but I have a feeling it's accessed from under the tailpiece or something that I can't be bothered removing right now.

(I tried the amp with another guitar that didn't cause the same hum.)