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Post by ChristoMephisto on Apr 6, 2011 15:23:06 GMT -5
Trying to come up with a wiring schem for 2 humbuckers 1v1t using a couple of on-on-on switches. Instead of starting with the usual N/Par/B and adding the series/par and OoP switches, I started from the 'best' combos and added from there. Started off with using hum/sc/OoP wiring and used it as Series/Bridge/SOoP being B>-N The other switch has two functions, one way it 'taps' the first switch making it Neck and Parallel twice. The other is a coil shunt for the neck pickup only to single coil. With B>N outer coil, and B>-N inner coil. Couldn't figure out how to get the neck's sc when in parallel mode with out moving it to another switch. Going to add another switch for bridge combos like hum/sc/par. The only problem is I'm not sure if the neck is shunting when in SOoP mode. Top two pairs of lugs on the left switch and the bottom two on the right. I've drawn the layout and used SD colours because it's a more familiar colour code.
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Post by newey on Apr 6, 2011 22:41:32 GMT -5
CM-
I always have trouble wrapping my head around On-On-On switches.
This looks OK to me, should give you Br HB in series OOP with the neck Bl/Wh coil (the slug coil on SDs, I believe)
But it looks to me that, with both switches "down" (center lugs on each connected to bottom lugs as shown on the diagram), then the "hot out" to the Vol pot is connected to N-, which is in turn connected to ground through the other switch.
Thus the "hot" out is shorted to ground resulting in no output at that position- not what you intended, I take it.
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Post by ChristoMephisto on Apr 7, 2011 12:07:21 GMT -5
Totally not what I was trying and overlooked. It gives me dead spot with both pairs of lugs connected. But I can still get neck and parallel with the left switch tapped to ground. So that section of the switching works.
When its bridge series into OoP neck sc, was trying for the neck's inner coil OoP (grn/red), which i missed too. Does it matter which coil it is or will the outer coil be the same as the inner coil when OoP?
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Post by newey on Apr 7, 2011 13:21:04 GMT -5
It doesn't matter in combination with the full bridge HB, as shown here. The combo will only be partially humcancelling regardless of which coil is cut from the neck.
It may, however, matter if, as you say, you add another switch to split the bridge. Then it depends on what coil you cut from the bridge.
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Post by ChristoMephisto on Apr 8, 2011 8:04:50 GMT -5
Bridge outer coil?
It's for a pair of Fender's Seth Lover HB that they made from 79-81 in the Lead Series, oversized things they are I have to modify the p'guard (en route) and route the body still...
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