HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-5 Neutral Safety Switch
Part #: NS-5

Standard Ignition NS-5 Neutral Safety Switch

⚙️ 189 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac, Blazer, G10 Van, G20 Van, G30 Van, K10 Suburban, K20 Suburban, C15/C1500 Pickup, C15/C1500 Suburban, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup, G15/G1500 Van, G25/G2500 Van, G35/G3500 Van, Jimmy, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, K35/K3500 Pickup, C10 Pickup, C20 Pickup, C30 Pickup, K10 Pickup, K20 Pickup, K30 Pickup, C10 Suburban, C20 Suburban, El Camino, P15/P1500 Van, P25/P2500 Van, P35/P3500 Van, Electra, Gran Sport, LeSabre, Riviera, Skylark, Special, Sportwagon, Wildcat, DeVille, Bel Air, Biscayne, Caprice, Chevelle, Chevy II, Corvair, Corvette, Impala, Malibu, P10 Series, P20 Series, P30 Series, 1500, 2500, G1000 Series, I1500, I2500, K1000, K1000 Pickup, PB1000 Series, PB15 Series, PB25 Series, 442, 98, Cutlass, Delta 88, Dynamic 88, F85, Jetstar 88, Starfire, Toronado, Vista Cruiser, Acadian, Beaumont, Bonneville, Catalina, Grand Prix, GTO, Laurentian, LeMans, Parisienne, Star Chief, Strato-Chief, Tempest, 1000 Series, 1500 Series, 2500 Series, PB1500 Series, PB2500 Series, Estate Wagon, Corvair Truck, Fiesta, Jetstar I, Super 88, Suburban, Ventura, Truck, 3B, 3C, 3D, 3E, 3F, 3G, Del Ray, Chieftain, Pathfinder, Super Chief, One-Fifty Series, and Two-Ten Series
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Reliable Neutral Safety Switch for Select GM Vehicles

The Standard Ignition NS-5 Neutral Safety Switch is designed to provide dependable electrical performance for a range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. Engineered with durable aluminum and plastic materials, this black switch features a male connector and blade terminals to ensure secure connections.

  • Color: Black finish for corrosion resistance
  • Connector Gender: Male with one connector
  • Terminal Type: Four male blade terminals
  • Durable aluminum and plastic construction
  • Compatible with multiple GM makes and models

Product Details and Specifications

The NS-5 Neutral Safety Switch from Standard Ignition is built to meet OEM specifications for electrical switches in the ignition system. Its black housing combines aluminum and plastic for strength and longevity, while the male connector and four blade terminals provide reliable electrical contact. This switch is designed to fit a variety of GM vehicles including Chevrolet models like the Bel Air, Caprice, and Impala, as well as Buick, Cadillac, GMC, Oldsmobile, and Pontiac vehicles such as the Bonneville, DeVille, and Grand Prix. The single male connector simplifies installation and ensures a secure fit within the vehicle’s wiring harness.

Compatible Vehicles and Applications

  • Buick: LeSabre, Skylark, Riviera
  • Cadillac: DeVille, Eldorado
  • Chevrolet: Bel Air, Caprice, Impala, Corvette, El Camino, Malibu, C10 Suburban, C20 Suburban
  • GMC: Jimmy, K10 Suburban, K20 Suburban
  • Oldsmobile: Cutlass, Delta 88, Starfire
  • Pontiac: Bonneville, Grand Prix, GTO, LeMans, Parisienne, Tempest, Catalina, Firebird, Acadian

Common Issues Addressed by the NS-5 Neutral Safety Switch

  • Prevents engine from starting in gear, enhancing safety
  • Eliminates intermittent starting problems related to faulty switch contacts
  • Resolves electrical connection failures due to worn terminals
  • Restores proper signal transmission to the starter circuit
  • Helps avoid no-start conditions caused by defective neutral safety switches

Installation Notes and Tips

  • Ensure vehicle is in park or neutral before installation
  • Disconnect the battery to prevent electrical shorts
  • Verify connector orientation matches the male connector on the switch
  • Inspect wiring harness and terminals for corrosion or damage prior to installation
  • Test switch operation after installation to confirm proper function

Quality Assurance and Warranty Information

Standard Ignition manufactures the NS-5 Neutral Safety Switch to meet strict quality standards, ensuring reliable performance and durability. The switch undergoes rigorous testing to comply with OEM specifications. This part is backed by Standard Ignition’s limited warranty, covering defects in materials and workmanship under normal use conditions.

BrandStandard Ignition
Part NumberNS-5
ColorBlack
Connector GenderMale
FinishAluminum, Plastic
Terminal GenderMale
Terminal TypeBlade

This part fits 189 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1972ChevroletBlazer4.1LL6N/A
1972ChevroletBlazer4.8LL6N/A
1972ChevroletBlazer5.0LV8N/A
1972ChevroletBlazer5.7LV8N/A
1972ChevroletK10 Suburban5.7LV8N/A
1972ChevroletK10 Suburban5.0LV8N/A
1972ChevroletK10 Suburban4.1LL6N/A
1972ChevroletK10 Suburban6.6LV8N/A
1972ChevroletK20 Suburban4.1LL6N/A
1972ChevroletK20 Suburban6.6LV8N/A
1972ChevroletK20 Suburban4.8LL6N/A
1972ChevroletK20 Suburban5.0LV8N/A
1972ChevroletK20 Suburban5.7LV8N/A
1972GMCG15/G1500 Van5.0LV8N/A
1972GMCG15/G1500 Van5.7LV8N/A
1972GMCG15/G1500 Van4.1LL6N/A
1972GMCG25/G2500 Van4.1LL6N/A
1972GMCG25/G2500 Van5.7LV8N/A
1972GMCG25/G2500 Van5.0LV8N/A
1972GMCG35/G3500 Van5.0LV8N/A
1972GMCG35/G3500 Van4.1LL6N/A
1972GMCG35/G3500 Van5.7LV8N/A
1972GMCJimmyN/A
1971ChevroletBlazer4.8LL6N/A
1971ChevroletBlazer4.1LL6N/A
1971ChevroletBlazer5.0LV8N/A
1971ChevroletBlazer5.7LV8N/A
1971ChevroletK10 Suburban6.6LV8N/A
1971ChevroletK10 Suburban4.1LL6N/A
1971ChevroletK10 Suburban5.7LV8N/A
1971ChevroletK10 Suburban5.0LV8N/A
1971ChevroletK20 Suburban4.1LL6N/A
1971ChevroletK20 Suburban5.7LV8N/A
1971ChevroletK20 Suburban5.0LV8N/A
1971ChevroletK20 Suburban6.6LV8N/A
1971ChevroletK20 Suburban4.8LL6N/A
1971GMCJimmyN/A
1970ChevroletBlazerN/A
1970ChevroletC10 SuburbanN/A
1970ChevroletC20 SuburbanN/A
1970ChevroletK10 SuburbanN/A
1970ChevroletK20 SuburbanN/A
1970GMCJimmyN/A
1968ChevroletEl CaminoN/A
1967GMCG15/G1500 VanN/A
1967GMCG25/G2500 VanN/A
1966BuickLeSabreN/A
1966BuickRivieraN/A
1966BuickSkylarkN/A
1966CadillacDeVilleN/A
1966ChevroletBel AirN/A
1966ChevroletCapriceN/A
1966ChevroletCaprice7.0LV8N/A
1966ChevroletCaprice4.6LV8N/A
1966ChevroletCaprice5.3LV8N/A
1966ChevroletCaprice6.5LV8N/A
1966ChevroletCorvetteN/A
1966ChevroletEl Camino3.8LL6N/A
1966ChevroletImpalaN/A
1966ChevroletMalibuN/A
1966GMCG1000 Series3.2LL6N/A
1966GMCG1000 Series3.8LL6N/A
1966GMCG1000 SeriesN/A
1966Oldsmobile987.0LV8N/A
1966OldsmobileCutlass5.4LV8N/A
1966OldsmobileCutlass6.6LV8N/A
1966OldsmobileDelta 887.0LV8N/A
1966OldsmobileStarfire7.0LV8N/A
1966OldsmobileToronadoN/A
1966PontiacAcadianN/A
1966PontiacBonnevilleN/A
1966PontiacCatalinaN/A
1966PontiacGrand PrixN/A
1966PontiacGTON/A
1966PontiacLaurentianN/A
1966PontiacLeMansN/A
1966PontiacParisienneN/A
1966PontiacTempestN/A
1965BuickLeSabreN/A
1965BuickRivieraN/A
1965BuickSkylarkN/A
1965ChevroletBel AirN/A
1965ChevroletCorvetteN/A
1965ChevroletEl CaminoN/A
1965ChevroletImpalaN/A
1965ChevroletMalibuN/A
1965GMCG1000 Series3.8LL6N/A
1965GMCG1000 SeriesN/A
1965Oldsmobile987.0LV8N/A
1965OldsmobileCutlass5.4LV8N/A
1965OldsmobileCutlass6.6LV8N/A
1965OldsmobileDelta 887.0LV8N/A
1965OldsmobileStarfire7.0LV8N/A
1965PontiacAcadianN/A
1965PontiacBonnevilleN/A
1965PontiacCatalinaN/A
1965PontiacGrand PrixN/A
1965PontiacGTON/A
1965PontiacLaurentianN/A
1965PontiacLeMansN/A
1965PontiacParisienneN/A
1965PontiacTempestN/A
1964BuickLeSabreN/A
1964BuickRivieraN/A
1964BuickSkylarkN/A
1964ChevroletBel AirN/A
1964ChevroletBel Air3.8LL6N/A
1964ChevroletBel Air6.7LV8N/A
1964ChevroletBel Air4.6LV8N/A
1964ChevroletBel Air5.3LV8N/A
1964ChevroletCorvetteN/A
1964ChevroletEl Camino3.2LL6N/A
1964ChevroletEl Camino3.8LL6N/A
1964ChevroletEl Camino4.6LV8N/A
1964ChevroletEl Camino5.3LV8N/A
1964ChevroletImpalaN/A
1964ChevroletMalibuN/A
1964GMCG1000 Series2.5LL4N/A
1964GMCG1000 Series3.8LL6N/A
1964GMCG1000 SeriesN/A
1964Oldsmobile986.5LV8N/A
1964OldsmobileCutlassN/A
1964OldsmobileStarfireN/A
1964PontiacAcadianN/A
1964PontiacBonneville6.4LV8N/A
1964PontiacBonneville6.9LV8N/A
1964PontiacCatalina6.4LV8N/A
1964PontiacCatalina6.9LV8N/A
1964PontiacGrand Prix6.4LV8N/A
1964PontiacGrand Prix6.9LV8N/A
1964PontiacGTO6.4LV8N/A
1964PontiacLaurentianN/A
1964PontiacLeMans3.5LL6N/A
1964PontiacLeMans5.3LV8N/A
1964PontiacParisienneN/A
1964PontiacTempestN/A
1963ChevroletBel AirN/A
1963ChevroletCorvetteN/A
1963ChevroletImpalaN/A
1963PontiacAcadianN/A
1963PontiacBonneville6.4LV8N/A
1963PontiacBonneville6.9LV8N/A
1963PontiacCatalina6.4LV8N/A
1963PontiacCatalina6.9LV8N/A
1963PontiacGrand Prix6.4LV8N/A
1963PontiacGrand Prix6.9LV8N/A
1963PontiacLaurentianN/A
1963PontiacLeMans5.3LV8N/A
1963PontiacParisienneN/A
1962ChevroletBel AirN/A
1962ChevroletCorvetteN/A
1962ChevroletImpalaN/A
1962PontiacAcadianN/A
1962PontiacBonneville6.4LV8N/A
1962PontiacCatalina6.4LV8N/A
1962PontiacGrand Prix6.4LV8N/A
1962PontiacLaurentianN/A
1962PontiacParisienneN/A
1961ChevroletBel AirN/A
1961ChevroletCorvetteN/A
1961ChevroletImpalaN/A
1961PontiacBonneville6.4LV8N/A
1961PontiacCatalina6.4LV8N/A
1961PontiacLaurentianN/A
1961PontiacParisienneN/A
1960ChevroletBel AirN/A
1960ChevroletCorvetteN/A
1960ChevroletEl CaminoN/A
1960ChevroletImpalaN/A
1960PontiacBonneville6.4LV8N/A
1960PontiacCatalina6.4LV8N/A
1960PontiacLaurentianN/A
1960PontiacParisienneN/A
1959ChevroletBel AirN/A
1959ChevroletCorvetteN/A
1959ChevroletEl CaminoN/A
1959ChevroletImpalaN/A
1959PontiacBonneville6.4LV8N/A
1959PontiacCatalina6.4LV8N/A
1959PontiacLaurentianN/A
1959PontiacParisienneN/A
1958ChevroletBel AirN/A
1958ChevroletCorvetteN/A
1958ChevroletImpalaN/A
1958PontiacBonneville6.1LV8N/A
1958PontiacCatalina6.1LV8N/A
1958PontiacLaurentianN/A
1957ChevroletBel AirN/A
1957ChevroletCorvetteN/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:

19933201S51353-22005124853-31561DR411NS4NS6172S270

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