HomeStandard Ignition LS-318 Neutral Safety Switch
Part #: LS-318

Standard Ignition LS-318 Neutral Safety Switch

10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, 626 and Protege
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Reliable Neutral Safety Switch for Mazda 626 and Protege

The Standard Ignition LS-318 Neutral Safety Switch is designed to provide dependable electrical performance for your Mazda 626 or Protege. Engineered with durable materials and precise specifications, this switch ensures proper vehicle starting safety and electrical system integration.

Key Features of Standard Ignition LS-318 Neutral Safety Switch

  • Compatible with Mazda 626 and Protege models
  • 12-volt electrical system support
  • Metal construction with dichromate and plastic finish for durability
  • Screw-in attachment method for secure installation
  • Two blade terminals with male terminal gender
  • One rectangular female connector for wiring harness connection
  • Wiring harness length of 21.125 inches (536.575 mm)
  • Compact length of 4 inches (101.6 mm)
  • Black face color for easy identification

Detailed Description of the LS-318 Neutral Safety Switch

The Standard Ignition LS-318 is a neutral safety switch specifically designed for select Mazda vehicles, including the 626 and Protege. This switch features a robust metal body finished with dichromate and plastic to resist corrosion and wear. It includes two male blade terminals and a single female rectangular connector, facilitating a secure and reliable electrical connection. The screw-in attachment method ensures the switch remains firmly mounted during vehicle operation. With a wiring harness length of over 21 inches, it provides ample reach for installation within the vehicle’s electrical system. The black face color aids in quick visual identification during maintenance or replacement.

Common Applications and Issues Addressed

  • Prevents engine from starting unless the transmission is in neutral or park
  • Eliminates no-start conditions related to faulty neutral safety switches
  • Resolves intermittent starting problems caused by worn or damaged switch terminals
  • Ensures proper electrical signaling to the starter circuit
  • Maintains vehicle safety by preventing unintended engine starts

Installation Notes and Tips

  • Ensure vehicle ignition is off and battery is disconnected before installation
  • Use the screw-in method to securely attach the switch in the designated mounting location
  • Verify the correct orientation of the male blade terminals and female connector for proper wiring
  • Check wiring harness length to confirm compatibility with your vehicle’s setup
  • Test the switch operation before finalizing installation to confirm proper function

Quality Assurance and Warranty Information

Standard Ignition manufactures the LS-318 Neutral Safety Switch to meet or exceed OEM specifications for Mazda 626 and Protege models. The switch undergoes rigorous quality control to ensure reliable performance and durability. While mounting hardware and gaskets are not included, the product is designed for straightforward installation. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberLS-318
ColorBlack
Connector GenderFemale
FinishDichromate, Plastic
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 10 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2002Mazda626Manual2.5LV6N/A
2002Mazda626Manual2.0LL4N/A
2001Mazda626Manual2.0LL4N/A
2001Mazda626Manual2.5LV6N/A
2001MazdaProtegeManual2.0LL4N/ANo. 2
2000Mazda626ManualN/Aw/ Round Connector
1999Mazda626ManualN/Aw/ Round Connector
1998Mazda626ManualN/Aw/ Round Connector
1997Mazda626ManualN/Aw/ Round Connector
1996Mazda626ManualN/Aw/ Round Connector

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

18-13801S5729201-232053-3178989057296G56217640JA4351NS16637NS421S19268

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.