Undiscovered Button - '04 Precision

Discussion in 'Basses [BG]' started by Old Fart, Jun 24, 2013.

  1. Old Fart

    Old Fart

    Mar 11, 2011
    The center of my volume knob is a two-position switch. It changes the tone. I never knew. What does this button do?

    It's an '04 American. Serial number "Z4....."
  2. It's an S-1 switch, if I remember correctly it switching between Parallel and Series for the pickup