Hello, I wired my guitars and some guitars and basses of my friends in this last year, so I got a bit of experience, but now I have a big unsolvable problem with a bass of a friend of mine.
It's a good model of a Fender Jazz Bass Mexico. My friend wanted replace the original pickup with a set of Seymour Duncan Quarter Pound.
This is the original layout from the Fender datasheet:
I just wired the new pickups exactly how the old pairs were: the two black wires on the own volume pot and the hot wires on the own central lug's volume pot. At home everything worked ok, and included me none of my three friends had notice hum. But after some days at high volume my friends noticed a sort ground noise, it disappear when you touch strings, bridge, etc... With both volume pots and tone at max the hums is pretty noticeble.
The new pickups are hum cancelling when used together.
The ground wire is connected, indeed I didn't touch it. The metal plate allows (I verified it) the connection to the ground of the three pots and the sleeve of the jack. I really can't imagine what's wrong, but there's something.
I really need help, please!
Thanks!
It's a good model of a Fender Jazz Bass Mexico. My friend wanted replace the original pickup with a set of Seymour Duncan Quarter Pound.
This is the original layout from the Fender datasheet:
I just wired the new pickups exactly how the old pairs were: the two black wires on the own volume pot and the hot wires on the own central lug's volume pot. At home everything worked ok, and included me none of my three friends had notice hum. But after some days at high volume my friends noticed a sort ground noise, it disappear when you touch strings, bridge, etc... With both volume pots and tone at max the hums is pretty noticeble.
The new pickups are hum cancelling when used together.
The ground wire is connected, indeed I didn't touch it. The metal plate allows (I verified it) the connection to the ground of the three pots and the sleeve of the jack. I really can't imagine what's wrong, but there's something.
I really need help, please!
Thanks!
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