3-way switch connections
Here are the connections necessary for installing the 3-way switch with serial/parallel/single coil mode.
Assuming you have the same colours on your connectors you will have to solder them to the switches as follows (single coil mode with the outer coils, i.e. neck pickup - neck side coil, bridge pickup - bridge side coil)
So for the NECK switch the wiring will be (sorry Roberto for copying your layout ...;-)
EMPTY---------------------------Connector to bottom left
top left pin---------------------------------top right pin
BLACK and BLUE---------------------------YELLOW
middle left----------------------------------middle right
Connector to top right
BROWN----------------------------ORANGE and WHITE
bottom left--------------------------------bottom right
For the BRIDGE PU SWITCH wire as follows:
EMPTY---------------------------Connector to bottom left
top left pin---------------------------------top right pin
BLACK and BROWN---------------------------ORANGE
middle left----------------------------------middle right
Connector to top right
BLUE--------------------------------YELLOW and WHITE
bottom left--------------------------------bottom right
This layout will work if the colours are used with the following scheme:
Circuit connectors:
WHITE - Hot
BLACK - Ground
Pickup connectors:
YELLOW - Neck Side Coil +
BLUE - Neck Side Coil -
ORANGE - Bridge Side Coil +
BROWN - Bridge Side Coil -
For use of the inner coils in single mode please exchange the layouts for both switches. It is NOT recommended to use both Bridge side or both Neck side coils together because they would hum also when mixed together.
I installed this wiring on another bass and it works as expected. The single coil mode opens up the upper mids and higher registers.
As posted before I planned to give it a try at one of my Smith basses but I couldn't find a matching 3-way switch (black and with a short paddle) up to now.
Ken, I would be highly interested in the results if you would ever evaluate the 3-way coil switch.
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