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BRAKELIGHT Switch

  1. Disconnect connector from brakelight switch. Check for continuity between switch terminals "A" and "D". See Fig 1 . Continuity should exist. Check for continuity between switch terminals "B" and "C". Continuity should not exist.
  2. Press and hold brake pedal. Check for continuity between switch terminals "A" and "D". Continuity should not exist. Check for continuity between switch terminals "B" and "C". Continuity should exist. If switch continuity is not as specified, check brake pedal height. See BRAKE PEDAL HEIGHT  under ADJUSTMENTS. If brake pedal height is okay, replace brakelight switch.
Fig 1: Identifying Brakelight Switch Terminals
G94C46427Courtesy of AMERICAN HONDA MOTOR CO., INC.