1 humbucker, 1 vol and I'm getting hum

[capnkid]

This is a pic of the input jack which is a weird one. I think someone told me it's a self grounding and they told me to connect the two tabs on the right. something is wrong though.

In this pic, the thin black wire on the left is going to ground at tremelo.
The other thick black wire has 3 wires in it, one black one white and one plain. The white and the plain are soldered to the back of the volume pot, and the black is hot I believe.

The two wires on the right are going to the input jack. I know it's all messy, but it's the only 500k pot I could find.

 

[travelin travis]

A sloppy connection is enough to cause some hum.

 

[faderbug]

yeah and some humbuckers are hummy nonetheless.

 

[travelin travis]

btw, those solder joints are wayyy sloppy!

if your iron doesn't hold it's heat your joints aren't going to make good contact.

 

[travelin travis]

Hey capn, would that third wire happen to be a braided shield? If it is, I think you want to leave one end unconnected.

 

[capnkid]

Hey capn, would that third wire happen to be a braided shield? If it is, I think you want to leave one end unconnected.

Yeah the connections are sloppy. There was a ton of solder on the back of the pot, I will clean it up.

What 3rd wire? The 3 wires coming out of the big black casing were together in the braided/shielding. I had to strip back both the shielding and the black casing to reveal all three.

 

[capnkid]

The pot stem or threaded portion was too short for the body. The nut would not catch on the other side, so I had to sand down the body on the cavity side of the hole as you can see. The nut is just barely grabbing the threads. I live in the middle of nowhere and checked radio shack, and other electronics places and none of them had 500k audio taper pots. If anyone has one with a threaded shaft over 1/4 inch, let me get it.

 

[travelin travis]

Yeah the connections are sloppy. There was a ton of solder on the back of the pot, I will clean it up.

What 3rd wire? The 3 wires coming out of the big black casing were together in the braided/shielding. I had to strip back both the shielding and the black casing to reveal all three.

What's the third wire for?

 

[capnkid]

What's the third wire for?

A diagram that someone posted here showd different color wires than what was on this humbucker.

I'll find it and post it.

http://www.seymourduncan.com/support/schematics/1hum_1vol.html

 

[travelin travis]

Maybe the third wire is a coil tap.

 

[capnkid]

Maybe the third wire is a coil tap.

Is the 3rd one you are talking about the white, black or bare one?

 

[travelin travis]

If those three wires are coming from the humbucker, I think the bare wire is your ground, white is the coil tap, and black is hot. I'm not 100% positive. You might want to look it up.

 

[travelin travis]

http://www.seymourduncan.com/support/schematics/1hum_1vol.html

whoops, i missed that. that jives with your wiring doesn't it?

 

[capnkid]

If those three wires are coming from the humbucker, I think the bare wire is your ground, white is the coil tap, and black is hot. I'm not 100% positive. You might want to look it up.

I'll give that configuration a shot, re-do it in a couple hours and post the results, clean it up.

 

[travelin travis]

Looked back at your pic. It looks like you have the coil tap soldered to ground. Try disconnecting that.

 

[Light]

In all probability, the WHITE wire is hot (that is the standard in guitars), the bare wire is the shield, and the black is ground. What kind of a pickup is it, anyway? If that doesn't work, try leaving one of them unconnected. If that doesn't work, try it leaving one of them off.

Second, the soldering is pretty bad. It really needs to be much cleaner.


Light

"Cowards can never be moral."
M.K. Gandhi

 

[Anfontan]

I would reheat those connections and use a bit of rosin flux to get it to flow better. Especially the ground connection from the 3rd pin to the volume pot itself.

 

[travelin travis]

capn, i think you have the wiring right with the exception of disconnecting that white wire and taping it off.

 

[capnkid]

capn, i think you have the wiring right with the exception of disconnecting that white wire and taping it off.

O.k. I'll try all these configurations tonight.

 

[capnkid]

In all probability, the WHITE wire is hot (that is the standard in guitars), the bare wire is the shield, and the black is ground. What kind of a pickup is it, anyway? If that doesn't work, try leaving one of them unconnected. If that doesn't work, try it leaving one of them off.

Second, the soldering is pretty bad. It really needs to be much cleane


Light

"Cowards can never be moral."
M.K. Gandhi

It is some sort of Dimarzio.