General tech questions

3 Way Switch Problem/Question

1

This is another post about the early 60s Kay Jazz II I recently purchased. Both the neck and bridge pickups sound strong individually, but when the selector switch is set to the middle position, the volume drops by 50% or more. The sound in this position is vary nasally, so probably more bridge than neck. I'm wondering if there is a problem with the wiring, or if there could be an issue with the switch? Since it's a vintage hollowbody I've been reluctant to take it apart to inspect the wiring, fearing that the cool original clear plastic knobs will break while trying to remove them.

2

If you turn one of the pickup volume controls down (when in the middle position) does the volume come back to normal? If so your pickups are out of phase.

3

Yep, what Mr Vegas said. Not too hard to flip the magnets in one of those pickups.

4

It could even be that the wiring on one pickup is reversed at the switch.

5

It could even be that the wiring on one pickup is reversed at the switch.

– wabash slim

well..in practice with these pickups, no. They have a gibson style braided shield wire, so if you reversed that you'd get hum.

6

Thanks Charlie, I'll try what you suggested tonight and see what happens.

7

Charlie and others - I finally got to try your suggestion, and it worked! I flipped one of the magnets in the neck pickup and now everything works like it's supposed to. It was an easy fix thanks to everyone's input here. Thanks again!!!


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