Keep your automatic transmission's starting interlock working with the Standard Ignition Neutral Safety Switch NS-145. It installs as a direct-fit replacement for the listed applications: the 2004 Kia Spectra, the 1996 Mazda MX-3, and the 1995-1997 Mazda Protege.
A neutral safety switch is the electrical interlock that allows the starter to engage only when the transmission selector is in Park or Neutral, so the engine can't be cranked while the vehicle is in gear. If a worn or failed switch is the cause of your no-start, this NS-145 replaces it.
- Function: Signals selector position to the starting circuit so the engine cranks only in Park or Neutral.
- Direct fit: Designed to install for the listed applications.
- Replacement part: Swaps in for the original switch on the vehicles above.
Signs this switch may need replacing include the engine cranking in gears other than Park or Neutral, or no cranking in Park while it still cranks in Neutral. Diagnose the cause before replacing, as these symptoms can have other sources.
Interchange: S26195 · JA4293 · NS5698 · KFW3521444 · MFW3521444A · MFW9921444 · FW3521444A · FW3621444 · FW3621444A
Manufacturer part number NS-145.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the Standard Ignition NS-145 do?
It is a neutral safety switch that lets the starter engage only when the automatic transmission selector is in Park or Neutral, keeping the engine from cranking while in gear.
Which vehicles does the NS-145 fit?
It is a direct-fit replacement for the 2004 Kia Spectra, the 1996 Mazda MX-3, and the 1995-1997 Mazda Protege. Confirm fitment for your vehicle.
What are signs this switch may need replacing?
The engine cranking in gears other than Park or Neutral, or not cranking in Park while it still cranks in Neutral. Diagnose the cause first, as these signs can have other sources.
What interchange numbers does the NS-145 cross-reference?
It cross-references S26195, JA4293, NS5698, KFW3521444, MFW3521444A, MFW9921444, FW3521444A, FW3621444, and FW3621444A.
Will replacing this switch fix a no-start on its own?
If a failed neutral safety switch is the cause, this replaces it. A no-start can also stem from other issues, so diagnose the cause before installing.
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