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Series / Parallel wiring diagram for 4-conductor Humbucker Pickups

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This is a new wiring scheme I came up with while enjoying a DIY Tele project. It is cleaner and easier to understand than the default schemes I found over the Internet and in the documentations, and I thought I could do some good to the guitar community by sharing my experience

Series / Parallel wiring diagram for 4-conductor Humbucker Pickups

  1. 1. Series/Parallel Wiring of a Humbucker pickup with 4 conductors Luca Finzi Contini
  2. 2. Humbucker Pickup Scheme • This is the usual schematic for a 4-conductor Humbucker pickup. North coil and South coil are depicted. • Colour scheme here is DiMarzio’s: – North start: red – North finish: black – South start: white – South end: green • Seymour Duncan colour scheme is: – North start: Black – North finish: White – South start: Red – South finish: Green + - + - Red Black White Green New Wiring for Series / Split / Parallel wiring 2
  3. 3. Useful colour scheme page • http://www.seymourduncan.com/support/schematics/schematics.php?schematic=color_codes New Wiring for Series / Split / Parallel wiring 3
  4. 4. DPDT Switch • Left: DPDT switch in the ‘push’ position: 2 -> 3; 5 -> 6 • Right: DPDT switch in the ‘pull’ position: 2 -> 1; 5 -> 4 1 2 3 4 5 6 Push 1 2 3 4 5 6 Pull New Wiring for Series / Split / Parallel wiring 4
  5. 5. DPDT Switch - split • This is the connection in a on-on-on DPDT switch , typically in the middle position. • It is useful to achieve a series – split – parallel wiring.1 2 3 4 5 6 Pull New Wiring for Series / Split / Parallel wiring 5
  6. 6. Series Wiring • Maximum DC Resistance • Maximum output • Standard wiring • The two coils are traversed in series + - + - - + Red Black White Green New Wiring for Series / Split / Parallel wiring 6
  7. 7. Parallel Wiring • ‘+’’s are connected together and ‘-’’s are connected together • Roughly half DC resistance • Less Output • More Brightness and Trebly sound + - + - + - - + Red Black White Green New Wiring for Series / Split / Parallel wiring 7
  8. 8. Standard DPDT Wiring • This is the standard wiring as per SD and DiMarzio docs. • Let’s see how this allows Series / Parallel switching. 1 2 3 4 5 6 DPDT + - - + Red Black White Green + Hot - Gnd New Wiring for Series / Split / Parallel wiring 8
  9. 9. Standard DPDT Wiring - Series • Traversing from Hot to Gnd, the orange connections connect the two coils in series. • Following the path from Hot to Gnd we traverse 1, red, black, 3, 2, white, green, 4, gnd. 1 2 3 4 5 6 Push + - - + Red Black White Green + Hot - Gnd New Wiring for Series / Split / Parallel wiring 9
  10. 10. Standard DPDT Wiring - Parallel • Here we notice how Red and White (+) are connected through 1 -> 2, as well as Black and Green are connected through 4 -> 5. This demonstrates that this is a parallel connection. 1 2 3 4 5 6 Pull + - - + Red Black White Green + Hot - Gnd New Wiring for Series / Split / Parallel wiring 10
  11. 11. Standard DPDT Wiring – Split coil • The same wiring allows for a Single Coil operation when using an on/on/on DPDT switch • North coil is connected from hot to ground, while South coil has both White and Green connected to ground, so it is not used. We can check that by looking from the Gnd connection backwards: – Gnd, 4, 5, 3, 2, White, Green, 4, Gnd. 1 2 3 4 5 6 DPDT + - - + Red Black White Green + Hot - Gnd New Wiring for Series / Split / Parallel wiring 11
  12. 12. The need for new wiring • Standard wiring is a little bit cumbersome to understand because there are crossing lines • Needs the diagonal piece of wire soldered between 3 and 5 • So I came up with a new design… New Wiring for Series / Split / Parallel wiring 12
  13. 13. New DPDT Wiring • This new wiring has no wire crossings. • The connection between 3 and 6 can conveniently be realized by using a piece of condenser ‘leg’ that you cut away if replacing your tone pot with a DPDT push-pull pot, just inserting it in the holes and placing a bit of solder. • Let’s see how this works as before. 1 2 3 4 5 6 DPDT + - - + Red Black White Green + Hot - Gnd New Wiring for Series / Split / Parallel wiring 13
  14. 14. New DPDT Wiring - Series • By following the path from Hot to Ground we easily find all the coils: – Hot, 1, Red, Black, 5, 6, 3, 2, White, Green, 4, Gnd 1 2 3 4 5 6 Push + - - + Red Black White Green + Hot - Gnd New Wiring for Series / Split / Parallel wiring 14
  15. 15. New DPDT Wiring - Parallel • The crossing is not really present as the 1->2 takes place inside the switch • +’s are connected through 1->2 • -’s are connected through 4->5 1 2 3 4 5 6 DPDT + - - + Red Black White Green + Hot - Gnd New Wiring for Series / Split / Parallel wiring 15
  16. 16. New DPDT Wiring - Split • This new wiring was not meant to deal with Split configuration, but let’s see what happens • North coil is correctly running from hot to ground: – Hot,1,Red,Black,5,4,Gnd. • South coil has Green connected to ground but White (+) is actually floating – Probably not suitable – never actually tested. 1 2 3 4 5 6 DPDT + - - + Red Black White Green + Hot - Gnd New Wiring for Series / Split / Parallel wiring 16
  17. 17. Application: Telecaster Bridge Series/Parallel • My Telecaster project features a DiMarzio The Chopper T on the bridge position and a DiMarzio Twang King Neck on the neck position • Neck pickup is considerably lower in output than Bridge pickup • I want to have Series/Parallel capability on the 4- conductor bridge pickup BUT… • Standard wiring is for series in Push mode, Parallel in Pull mode New Wiring for Series / Split / Parallel wiring 17
  18. 18. Application: Telecaster Bridge Series/Parallel (cont’d) • I need to have Parallel mode in ‘push’ position and Series mode in ‘pull’ position so that the standard situation (with pot in the rest, push position) will feature comparable output pickup configuration New Wiring for Series / Split / Parallel wiring 18
  19. 19. Solution: flipping vertically • This allows for my desired operation: – Push: parallel – Pull: series • Let’s check… New Wiring for Series / Split / Parallel wiring 19 1 2 3 4 5 6 DPDT + - - + Red Black White Green + Hot - Gnd
  20. 20. Solution: Push = Parallel • +’s are connected through 1->2 • -’s are connected through 4->5 New Wiring for Series / Split / Parallel wiring 20 1 2 3 4 5 6 Push + - - + Red Black White Green + Hot - Gnd
  21. 21. Solution: Pull = Series • Once again, by following the path from Hot to Ground we easily find all the coils: – Hot, 1, Red, Black, 5, 6, 3, 2, White, Green, 4, Gnd New Wiring for Series / Split / Parallel wiring 21 1 2 3 4 5 6 DPDT + - - + Red Black White Green + Hot - Gnd
  22. 22. Pictures (1) New Wiring for Series / Split / Parallel wiring 22 Push/Pull pot with condenser before soldering the wires and ‘bridge’ NOTE: The picture shows the condenser soldered to the *WRONG* leg of the pot: if the signal is soldered to the central lug, the condenser must be soldered to the LEFT lug, and not the RIGHT as here – my mistake.
  23. 23. Pictures (2) New Wiring for Series / Split / Parallel wiring 23 Here I soldered a piece of the condenser ‘leg’ I had previously cut in order to create the bridge 3->6. Great move! It passed perfectly through the holes of the DPDT lugs.
  24. 24. Pictures (3) New Wiring for Series / Split / Parallel wiring 24
  25. 25. Pictures (4) New Wiring for Series / Split / Parallel wiring 25
  26. 26. Final Result New Wiring for Series / Split / Parallel wiring 26
  27. 27. Thank you! • Thank you for looking at this presentation! Luca Finzi Contini New Wiring for Series / Split / Parallel wiring 27

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