The Standard Ignition NS 129 SI Neutral Safety Switch is engineered to ensure that vehicles start only when the transmission is in Park or Neutral positions thereby preventing unintended engine starts This switch is compatible with various Ford Lincolnd Mazda models including the Ford E 150 2010 2014 E 250 2010 2014 and E 350 Super Duty 2010 2014 as well as the Lincoln Navigator 2006 and Mazda vehicles from 1997 to 2018 Constructed with copper alloy conductors the NS 129 SI offers superior electrical conductivity with low resistive losses enhancing the reliability of the starting system The robust designd high grade materials used in its construction meet the stringent demands of today s service professionals ensuring durability and longevity The switch features a bolt mount attachment method and includes a female connector with a rectangular shape accommodating 11 male blade terminals It operates at a voltage of 12V and has a length of 3 875 inches 98 425 mm This product is backed by a 36 month 36 000 mile warranty underscoring its quality and the manufacturer s confidence in its performance