I am building a guitar with a pre amp built in. I found that the jack was too short to go through the box so I decided to replace it with a cb gitty jack which is longer . So I just sniped off the jack and found it has a red wire , white wire and sheathing. How do you wire this??? It looked like the sheathing went to ground and the red and white went to two connectors. What is the proper way to wire this??
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THANKS!!
Thats exactly what I needed. I couldn't figure out what that third wire was all about.The jack is basicly a switch. It never occurred to me to connect the braid to the white negative .
Great diagram
Have a look at the orig jack and just copy it if it's the same.
On a pre-amp, the jack is usually a 3 contact jack, aka Tip-Ring-Sleeve aka stereo jack left-right-ground.
connecting the battery negative (-) to the ring (stereo right) and the pre-amp board's power negative (-) to the sleeve (along with all the other ground connections) lets you plug in a mono instrument cable (tip-sleeve) and since the sleeve of the cable's plug touches both the ground and the ring it completes the circuit to power on the preamp.
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