HELP! Wiring Problem: Mixing Pickup Brands (Seymour Duncan + DiMarzio)

Discussion in 'Tele-Technical' started by Deadman1, Oct 22, 2021.

  1. Deadman1

    Deadman1 TDPRI Member

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    Hello.

    Please help,...
    I really left my comfort zone open up and modding my most expensive guitar...
    And now there is a problem...


    I have decided to open up my Fender Nashville Tele... and install 3 new Humbuckers instead of the Noiseless Vintage Pickups...

    -----------------------------------------------------
    • BRIDGE: Seymour Duncan Hot Rails
    • MIDDLE: DiMarzio Super Distortion S DP218
    • NECK: Seymour Duncan Hot Rails
    -----------------------------------------------------
    Setup H-H-H / 1 Tone / 1 Vol / regular 5 Way Switch

    -----------------------------------------------------
    PROBLEM:

    I did so and soldered everything... but the MIDDLE PICKUP sounds weird..
    It's like only 25% as loud as the others...
    No punch no nothing... Very quiet...
    Did I use the wrong wires??
    Is it "out of phase" with the others?

    -----------------------------------------------------




    I have used this wiring diagram from Seymour Duncan

    [​IMG]

    used this information:
    [​IMG]


    according to the color code I changed it to this:

    [​IMG]


    I would really appreciate ANY input.

    Thanks so much in Advance!!!
     
    Last edited: Oct 22, 2021
  2. JeffBlue

    JeffBlue Friend of Leo's

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    Not sure why you removed the ground wire between the volume and tone pot. That would probably cause some kind of problem.
     
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  3. Deadman1

    Deadman1 TDPRI Member

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    I didn't. Oh and I deleted that part of the original post... as it is confusing :)
     
    Last edited: Oct 22, 2021
  4. jaxjaxon

    jaxjaxon Tele-Meister

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  5. Deadman1

    Deadman1 TDPRI Member

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  6. johnDH

    johnDH Tele-Meister

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    You can diagnose this externally. Do you have a multimeter?

    Set all knobs to max, set multimeter to a 20k ohms scale. Plug a cord into the guitar, Measure resistance at the far end of the cord, tip to barrel. It should read about 1 to 2% under the expected value of the pickup in settings 1, 3 and 5.

    This will test if one of your coils is not active or wrongly connected.

    Then, check phase, using the 'Screwdriver Pulloff' test.

    https://guitarnuts2.proboards.com/thread/4938/testing-phase-screwdriver-pull-test
     
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  7. Lowerleftcoast

    Lowerleftcoast Friend of Leo's

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    Over grounding. Essentially it is a ground loop. IME, in this case you will not hear a difference. OMMV. There are a lot of guitars with the extra ground wire.

    DiMarzio vs SD. Is the volume less with the switch in the middle position or only when in position 2/4?

    If it is full volume with the switch in the middle position but not in 2/4, the magnetism may be reversed in the DiMarzio.

    If the volume is always low, there may be a wiring problem inside the DiMarzio or the magnetism may be low.
     
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  8. Deadman1

    Deadman1 TDPRI Member

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    Thank you very much. This is great info. I will try this out as soon as I can.
    If this is the case.. Then what should I do about the middle pickup?

    Thank you for the info on oveegrounding.II
    Will leave it as it is for the moment.. With vol to tone connected via a ground wire.
    Sadly the problem is on 2/3/4..
    So everywhere...
    I used the multimeter on it and it shows me values.. Oddly enough only half of what it should

    Red and black give me 6.5
    White and green give me 6.5
    Red and green give me nothing at all
     
  9. Lowerleftcoast

    Lowerleftcoast Friend of Leo's

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    Try putting the red/white together. IOW use the same color code as the SD, and see if that gives more volume.

    If that doesn't work, use a small screwdriver and perform the pull off test to see if it has about the same strength of magnet as the SD pickups.
     
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  10. Deadman1

    Deadman1 TDPRI Member

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    i just rewired the whole thing.. took every wire off and soldered everything back together from scratch....
    same problem... :cry::cry::cry:
    When I'm in the middle position the Multimeter reads 0.L :eek::eek:

    Ok so I will try using BLACK as hot?

    Will do so...

    Can you interpret this reading?
    (measured right at the solder points at the pickup...)

    Red and black >6.5
    White and green > 6.5
    Red and green > 0.L
     
  11. Lowerleftcoast

    Lowerleftcoast Friend of Leo's

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    It seems your connection of the white/blk wires is wonky.
     
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  12. Lowerleftcoast

    Lowerleftcoast Friend of Leo's

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    Let's work out the OL reading first. You may be on to something with the OL reading.
     
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  13. Deadman1

    Deadman1 TDPRI Member

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    @Lowerleftcoast Thanks so much for the help

    Update:
    Red and black >6.5
    White and green > 6.5
    Red and green > O.L
    Black and Green > O.L

    Wired the black instead of Red.. still OL
     
  14. Lowerleftcoast

    Lowerleftcoast Friend of Leo's

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    So with Blk/Wht connected together there is a reading of OL from red to green?
     
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  15. Deadman1

    Deadman1 TDPRI Member

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    OK.. I got it now.. I went through all those wires and checked again if my ground was OK and the error was with the north and south finish...

    Taping black and white together was kinda not thebway to go. .. I had to solder them together.. Now it is working just as intended...

    @Lowerleftcoast thank you so much for assisting me here... I was already getting damn nervous about it...
    @johnDH also Thank you for your help and this hint.. Learned something new from that :):)
     
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