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Help! Aguillar p/j install

Discussion in 'Bass Area; The Bottom Line' started by Marcus Geetar Gilbert, Nov 27, 2017.

  1. Marcus Geetar Gilbert

    Marcus Geetar Gilbert Member

    Apr 14, 2017
    I just installed new aguillar ag 4p/j-hc hum cancelling bass pickups in my american deluxe p bass. Which already has fenders active circuit. The bridge is dead silent but the neck pickup is humming. Also when i turn blend knob to 50/50 it sounds like a notched wah pedal. When i touch the bridge the hum goes away. However I play nylon tapewounds so they do not ground out when playing. I have to keep my palm on bridge to eliminate hum. Playing through an aguillar tone hammer 500/ sl 112 cab. Any ideas???
  2. Dr Bonkers

    Dr Bonkers Vendor

    Jul 4, 2016
    Paramus, NJ, USA
    Sounds like 2 issues.

    One pickup may be out of phase with the other to cause the cocked wah sound.

    The hum may be caused by either a broken ground wire to one of the pickups or incorrect wiring of the hum filled pickup.

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