Help with Coil Splitting + Phase Switch

G

GEC

New member
Putting new pickups (Black Winters that I got mad cheap on eBay) into my guitar and was gonna use this diagram:

https://docs.google.com/gview?embed...tent/uploads/2016/05/2H_3G_1VppSPL_1TppPH.pdf

Why is the left nearest-to-pot lug on the volume knob connected to the left middle tone pot lug? Seems like it should go straight to ground just like the one for the neck pickup does (right nearest-to-pot lug on vol knob). Can you not just coil split & phase switch the same pickup independently, or does phase switching somehow mess with coil splitting and create a need for that connection?
 
Re: Help with Coil Splitting + Phase Switch

The splitting is done so the slug coils are active. The wires to the slug coils are black and white and the screw coil is shorted by connecting red to green. In order to reverse the phase of one pickup the black and green wires (in series humbucking mode) or black and white wires (split to slug coil) need to be reversed. The wiring in the diagram accomplishes that.

Hopefully that makes sense.
 
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Re: Help with Coil Splitting + Phase Switch

Okay, that does make sense! Here's the weird thing, though: my other HH guitar that someone else wired for me also has phase switching and coil-splits, but it doesn't have the connection I mentioned. It switches green with black and nothing else. And the phase switch definitely still works in all configurations.
 
Re: Help with Coil Splitting + Phase Switch

When the humbucker is split the phase switch changes which coil is active in that scenario.
 
Re: Help with Coil Splitting + Phase Switch

Oh, interesting! I'll probably just do that then. I'm not super picky about which coil is involved in the out-of-phase tone. Plus this means my phase switch will double as a coil selector switch when only the neck pickup is engaged (and split). Thanks, I would have had a hard time figuring that out on my own!
 
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