This electronic switch sits on the side JATCO 4 Speed Automatic Transmission & ensures the gearbox is in Park or Neutral before allowing the starter to crank.
When they fatigue &/or fail, the vehicle can exhibit non cranking symptoms.
This unit is specific to the Z32 platform auto trans, but it may suit other Nissans (skyline, patrols – *this is unconfirmed)
*PLEASE NOTE, this a long discontinued item. This may be the last new unit available.