HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-20 Neutral Safety Switch
Part #: NS-20

Standard Ignition NS-20 Neutral Safety Switch

⚙️ 71 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Jeep, American Motors, Buick, Oldsmobile, and Pontiac, Grand Wagoneer, J10, J20, Cherokee, CJ5, CJ7, Wagoneer, CJ6, DJ5, Ambassador, AMX, Javelin, Rambler, Rebel, American, Electra, LeSabre, Riviera, Skylark, Special, Wildcat, 442, 98, Delmont 88, Delta 88, F85, Toronado, Bonneville, Catalina, Firebird, Tempest, Marlin, Cutlass, and Cutlass Supreme
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Reliable Neutral Safety Switch for Buick, Jeep, Oldsmobile, and Pontiac

The Standard Ignition NS-20 Neutral Safety Switch is engineered to provide dependable electrical performance for select Buick, Jeep, Oldsmobile, and Pontiac vehicles. Designed with durable steel construction and a chrome finish, this switch ensures consistent operation and longevity in your vehicle's starting system.

  • Compatible with Buick, Jeep, Oldsmobile, and Pontiac models including Bonneville, Catalina, Cherokee, CJ5, CJ7, Cutlass, Firebird, Grand Wagoneer, and more
  • Durable steel material with a chrome finish for corrosion resistance
  • Gold color for easy identification during installation
  • Connector configuration includes both female and male round connectors, with two connectors and two male terminals
  • Screw-in mounting type for secure and straightforward installation

Detailed Product Features and Specifications

The NS-20 Neutral Safety Switch from Standard Ignition is designed to meet OEM specifications for electrical switches in the starting circuit. Its steel construction provides strength and durability, while the chrome finish offers protection against environmental factors. The switch features a unique gold color for quick visual identification. It includes two round connectors with both female and male genders, facilitating compatibility with the vehicle’s wiring harness. The screw-in mounting type ensures a firm and reliable fit, reducing the risk of loosening over time. This part is engineered to fit a range of models such as the Buick LeSabre, Pontiac Firebird, Jeep Grand Wagoneer, and Oldsmobile Cutlass Supreme, making it a versatile replacement option.

Common Applications and Problem Resolution

  • Prevents engine from starting in gear, ensuring safety
  • Resolves intermittent starting issues related to faulty neutral safety switches
  • Eliminates electrical connection problems caused by worn or damaged terminals
  • Restores proper signal transmission between ignition and starter circuits
  • Addresses mounting instability with secure screw-in installation

Installation Notes and Tips

When installing the Standard Ignition NS-20 Neutral Safety Switch, ensure the vehicle is in park or neutral and the battery is disconnected to prevent electrical hazards. The screw-in mounting type requires proper alignment to avoid cross-threading. Verify connector orientation by matching the round female and male connectors to the vehicle’s wiring harness. It is recommended to inspect related wiring and connectors for wear or corrosion during installation to maintain optimal performance.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The NS-20 Neutral Safety Switch undergoes rigorous quality control testing to verify fit, form, and function. This product is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.

BrandStandard Ignition
Part NumberNS-20
ColorGold
Connector GenderFemale + Male
Connector ShapeRound
FinishChrome
MaterialSteel
Mounting TypeScrew-in
Terminal GenderMale

This part fits 71 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
1986JeepGrand WagoneerN/A
1986JeepJ10ManualN/A
1986JeepJ20ManualN/A
1985JeepGrand WagoneerN/A
1985JeepJ10ManualN/A
1985JeepJ20ManualN/A
1984JeepGrand WagoneerN/A
1984JeepJ10ManualN/A
1984JeepJ20ManualN/A
1983JeepJ10ManualN/A
1983JeepJ20ManualN/A
1982JeepJ10ManualN/A
1982JeepJ20ManualN/A
1981JeepJ10ManualN/A
1981JeepJ20ManualN/A
1979JeepCherokeeManualN/A2 Post Term.
1979JeepCJ5N/A
1979JeepCJ7N/A
1979JeepJ10ManualN/A
1979JeepJ20ManualN/A
1979JeepWagoneerManualN/A2 Post Term.
1978JeepCherokeeManualN/A2 Post Term.
1978JeepCJ5N/A
1978JeepCJ7N/A
1978JeepJ10ManualN/A
1978JeepJ20ManualN/A
1978JeepWagoneerManualN/A2 Post Term.
1977JeepCherokeeManualN/A2 Post Term.
1977JeepCJ5N/A
1977JeepCJ7N/A
1977JeepJ10ManualN/A
1977JeepJ20ManualN/A
1977JeepWagoneerManualN/A2 Post Term.
1976JeepCherokeeManualN/A2 Post Term.
1976JeepCJ5N/A
1976JeepCJ7N/A
1976JeepJ10ManualN/A
1976JeepJ20ManualN/A
1976JeepWagoneerManualN/A2 Post Term.
1975JeepCherokeeManualN/A2 Post Term.
1975JeepCJ5N/A
1975JeepJ10ManualN/A
1975JeepJ20ManualN/A
1975JeepWagoneerManualN/A2 Post Term.
1974JeepCherokeeManualN/A2 Post Term.
1974JeepCJ5N/A
1974JeepJ10ManualN/A
1974JeepJ20ManualN/A
1974JeepWagoneerManualN/A2 Post Term.
1968BuickLeSabreN/A
1968BuickRivieraN/A
1968BuickSkylarkN/A
1968Oldsmobile98N/A
1968OldsmobileDelta 88N/A
1968OldsmobileToronadoN/A
1968PontiacBonnevilleN/A
1968PontiacCatalinaN/A
1968PontiacFirebirdN/A
1968PontiacTempestN/A
1967BuickLeSabreN/A
1967BuickRivieraN/A
1967BuickSkylarkN/A
1967Oldsmobile98N/A
1967OldsmobileCutlassN/A
1967OldsmobileCutlass SupremeN/A
1967OldsmobileDelta 88N/A
1967OldsmobileToronadoN/A
1967PontiacBonnevilleN/A
1967PontiacCatalinaN/A
1967PontiacFirebirdN/A
1967PontiacTempestN/A

* 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:

1S518653-1163253500618892325589535006191115-03DR429NS20NS6575S9151

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