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Standard Ignition NS-319 Neutral Safety SwitchOE Quality 60-Day Returns
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Part #: NS-319

Standard Ignition NS-319 Neutral Safety Switch

⚙️ 263 vehicles fit this part
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🚗Fitment: Chevrolet, GMC, Hummer, Saab, Buick, Cadillac, and Pontiac, Colorado, Canyon, H3T, Express 1500, Express 2500, Express 3500, Trailblazer, Envoy, Savana 1500, Savana 2500, Savana 3500, 9-7x, Avalanche, Silverado 1500, Suburban 1500, Sierra 1500, Yukon XL 2500, Rainier, Silverado 1500 Classic, Silverado 1500 HD Classic, Suburban 2500, Tahoe, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 3500 Classic, Yukon, Yukon XL 1500, H2, H3, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500 HD, Silverado 2500 HD, Silverado 3500, SSR, Trailblazer EXT, Envoy XL, Sierra 1500 HD, Sierra 2500 HD, Sierra 3500, GTO, Astro, Blazer, Corvette, Envoy XUV, Safari, S10, Silverado 2500, Sierra 2500, and Sonoma
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Reliable Neutral Safety Switch for Select GM and Saab Vehicles

The Standard Ignition NS-319 Neutral Safety Switch is engineered to provide precise electrical control for your vehicle's starting system. Designed specifically for a range of Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, and Saab models, this switch ensures proper transmission position detection and safe engine start-up.

  • Connector Gender: Female for secure connection
  • Single Connector Quantity for streamlined installation
  • 11 Male Blade Terminals for reliable electrical contact
  • Blade Terminal Type designed for durability and consistent performance

Technical Details and Compatibility

The NS-319 neutral safety switch features a female connector with one connection point, paired with 11 male blade terminals. This configuration supports stable electrical flow and accurate transmission position sensing. Compatible with a wide range of vehicles including Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, Hummer H2, Pontiac GTO, and Saab 9-7x, this switch meets the specific electrical requirements of these models. The blade terminal type enhances connection integrity, reducing the risk of electrical faults.

Applications and Problem Resolution

This neutral safety switch is essential for preventing engine start in gear, protecting both the vehicle and operator. It addresses common issues such as:

  • Engine failing to start due to faulty transmission position detection
  • Intermittent starting problems linked to electrical connection faults
  • Safety concerns from starting the vehicle in gear
  • Transmission shift indicator malfunctions
  • Electrical shorts or open circuits in the starting system

Installation Notes and Tips

Installation of the NS-319 requires careful alignment with the transmission shift lever to ensure accurate position sensing. Disconnect the battery before installation to prevent electrical shorts. Verify connector orientation—female connector with one connection point—and ensure all 11 male blade terminals are properly seated. Consult vehicle-specific service manuals for torque specifications and adjustment procedures to maintain factory performance standards.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The NS-319 neutral safety switch undergoes rigorous testing to ensure durability and reliable operation under normal driving conditions. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to the warranty documentation for detailed terms and conditions.

BrandStandard Ignition
Part NumberNS-319
Connector GenderFemale
Terminal GenderMale
Terminal TypeBlade

This part fits 263 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2012ChevroletColorado2.9LL4N/A
2012ChevroletColorado3.7LL5N/A
2012ChevroletColorado5.3LV8N/A
2012GMCCanyon2.9LL4N/A
2012GMCCanyon3.7LL5N/A
2012GMCCanyon5.3LV8N/A
2011ChevroletColoradoN/A
2011GMCCanyon3.7LL5N/A
2011GMCCanyon2.9LL4N/A
2011GMCCanyon5.3LV8N/A
2010ChevroletColoradoN/A
2010GMCCanyonN/A
2010HummerH3TN/A
2009ChevroletColoradoN/A
2009ChevroletExpress 1500AutomaticN/A
2009ChevroletExpress 2500AutomaticN/A
2009ChevroletExpress 3500AutomaticN/A
2009ChevroletTahoeN/A
2009ChevroletTrailblazerN/A
2009GMCCanyonN/A
2009GMCEnvoyN/A
2009GMCSavana 15004.3LV6N/A
2009GMCSavana 15005.3LV8N/A
2009GMCSavana 25004.8LV8N/A
2009GMCSavana 25006.6LV8N/A
2009GMCSavana 25006.0LV8N/A
2009GMCSavana 35004.8LV8N/A
2009GMCSavana 35006.0LV8N/A
2009GMCSavana 35006.6LV8N/A
2009HummerH3TN/A
2009Saab9-7x4.2LL6N/A
2009Saab9-7x5.3LV8N/A
2009Saab9-7x6.0LV8N/A
2008CadillacEscaladeN/A
2008CadillacEscalade ESVN/A
2008CadillacEscalade EXTN/A
2008ChevroletAvalancheAutomaticN/A
2008ChevroletColoradoN/A
2008ChevroletExpress 1500AutomaticN/A
2008ChevroletExpress 2500AutomaticN/A
2008ChevroletExpress 3500AutomaticN/A
2008ChevroletSilverado 1500AutomaticN/A
2008ChevroletSuburban 1500N/A
2008ChevroletSuburban 2500N/A
2008ChevroletTahoeN/A
2008ChevroletTrailblazerN/A
2008GMCCanyonN/A
2008GMCEnvoyN/A
2008GMCSavana 15005.3LV8N/A
2008GMCSavana 15004.3LV6N/A
2008GMCSavana 25004.8LV8N/A
2008GMCSavana 25006.6LV8N/A
2008GMCSavana 25006.0LV8N/A
2008GMCSavana 35006.0LV8N/A
2008GMCSavana 35006.6LV8N/A
2008GMCSavana 35004.8LV8N/A
2008GMCSierra 15005.3LV8N/A
2008GMCSierra 15006.2LV8N/A
2008GMCSierra 15004.8LV8N/A
2008GMCSierra 15004.3LV6N/A
2008GMCSierra 15006.0LV8N/A
2008GMCYukon XL 2500N/A
2008Saab9-7x6.0LV8N/A
2008Saab9-7x5.3LV8N/A
2008Saab9-7x4.2LL6N/A
2007BuickRainierN/A
2007ChevroletAvalancheAutomaticN/A
2007ChevroletColoradoN/A
2007ChevroletExpress 1500AutomaticN/A
2007ChevroletExpress 2500AutomaticN/A
2007ChevroletExpress 3500AutomaticN/A
2007ChevroletSilverado 1500AutomaticN/A
2007ChevroletSilverado 1500 Classic4.3LV6N/A
2007ChevroletSilverado 1500 Classic4.8LV8N/A
2007ChevroletSilverado 1500 Classic5.3LV8N/A
2007ChevroletSilverado 1500 Classic6.0LV8N/A
2007ChevroletSilverado 1500 HD Classic6.0LV8N/A
2007ChevroletSuburban 1500N/A
2007ChevroletSuburban 2500N/A
2007ChevroletTahoeN/A
2007ChevroletTrailblazerN/A
2007GMCCanyonN/A
2007GMCEnvoyN/A
2007GMCSavana 15005.3LV8N/A
2007GMCSavana 15004.3LV6N/A
2007GMCSavana 25006.6LV8N/A
2007GMCSavana 25006.0LV8N/A
2007GMCSavana 25004.8LV8N/A
2007GMCSavana 35006.0LV8N/A
2007GMCSavana 35004.8LV8N/A
2007GMCSavana 35006.6LV8N/A
2007GMCSierra 15004.8LV8N/A
2007GMCSierra 15005.3LV8N/A
2007GMCSierra 15006.0LV8N/A
2007GMCSierra 15004.3LV6N/A
2007GMCSierra 15006.2LV8N/A
2007GMCSierra 1500 Classic4.3LV6N/A
2007GMCSierra 1500 Classic4.8LV8N/A
2007GMCSierra 1500 Classic5.3LV8N/A
2007GMCSierra 1500 Classic6.0LV8N/A
2007GMCSierra 1500 HD ClassicN/A
2007GMCSierra 2500 HD6.0LV8N/A
2007GMCSierra 3500 Classic6.0LV8N/A
2007GMCSierra 3500 Classic8.1LV8N/A
2007GMCYukonAutomaticN/A
2007GMCYukon XL 1500AutomaticN/A
2007GMCYukon XL 2500AutomaticN/A
2007HummerH26.0LV8N/A
2007HummerH3N/A
2007Saab9-7x5.3LV8N/A
2007Saab9-7x4.2LL6N/A
2006BuickRainierN/A
2006CadillacEscaladeN/A
2006CadillacEscalade ESVN/A
2006CadillacEscalade EXTN/A
2006ChevroletAvalanche 1500N/A
2006ChevroletAvalanche 2500N/A
2006ChevroletColoradoN/A
2006ChevroletExpress 1500AutomaticN/A
2006ChevroletExpress 2500AutomaticN/A
2006ChevroletExpress 3500AutomaticN/A
2006ChevroletSilverado 1500AutomaticN/A
2006ChevroletSilverado 1500 HDAutomaticN/A
2006ChevroletSilverado 2500 HDAutomaticN/A
2006ChevroletSilverado 3500AutomaticN/A
2006ChevroletSSR6.0LV8N/A
2006ChevroletSuburban 1500N/A
2006ChevroletSuburban 2500N/A
2006ChevroletTahoeN/A
2006ChevroletTrailblazerN/A
2006ChevroletTrailblazer EXTN/A
2006GMCCanyonN/A
2006GMCEnvoyN/A
2006GMCEnvoy XLN/A
2006GMCSavana 15004.3LV6N/A
2006GMCSavana 15005.3LV8N/A
2006GMCSavana 25004.8LV8N/A
2006GMCSavana 25006.0LV8N/A
2006GMCSavana 25006.6LV8N/A
2006GMCSavana 35006.6LV8N/A
2006GMCSavana 35006.0LV8N/A
2006GMCSavana 35004.8LV8N/A
2006GMCSierra 15004.8LV8N/A
2006GMCSierra 15004.3LV6N/A
2006GMCSierra 15005.3LV8N/A
2006GMCSierra 15006.0LV8N/A
2006GMCSierra 1500 HD6.0LV8N/A
2006GMCSierra 2500 HD6.0LV8N/A
2006GMCSierra 2500 HD6.6LV8N/A
2006GMCSierra 2500 HD8.1LV8N/A
2006GMCSierra 35006.0LV8N/A
2006GMCSierra 35006.6LV8N/A
2006GMCSierra 35008.1LV8N/A
2006GMCYukonAutomaticN/A
2006GMCYukon XL 1500AutomaticN/A
2006GMCYukon XL 2500AutomaticN/A
2006HummerH26.0LV8N/A
2006HummerH3N/A
2006PontiacGTO6.0LV8N/A
2006Saab9-7x4.2LL6N/A
2006Saab9-7x5.3LV8N/A
2005BuickRainierN/A
2005CadillacEscaladeAutomaticN/A
2005CadillacEscalade ESVAutomaticN/A
2005CadillacEscalade EXTAutomaticN/A
2005ChevroletAstro4.3LV6N/A
2005ChevroletAvalanche 1500AutomaticN/A
2005ChevroletAvalanche 2500AutomaticN/A
2005ChevroletBlazer4.3LV6N/A
2005ChevroletColoradoN/A
2005ChevroletCorvette6.0LV8N/A
2005ChevroletExpress 1500AutomaticN/A
2005ChevroletExpress 2500AutomaticN/A
2005ChevroletExpress 3500AutomaticN/A
2005ChevroletSilverado 1500AutomaticN/A
2005ChevroletSilverado 1500 HDAutomaticN/A
2005ChevroletSilverado 2500 HDAutomaticN/A
2005ChevroletSilverado 3500AutomaticN/A
2005ChevroletSSR6.0LV8N/A
2005ChevroletSuburban 1500AutomaticN/A
2005ChevroletSuburban 2500N/A
2005ChevroletTahoeN/A
2005ChevroletTrailblazerN/A
2005ChevroletTrailblazer EXTN/A
2005GMCCanyonN/A
2005GMCEnvoyN/A
2005GMCEnvoy XLN/A
2005GMCEnvoy XUVN/A
2005GMCSafariAutomaticN/A
2005GMCSavana 15005.3LV8N/A
2005GMCSavana 15004.3LV6N/A
2005GMCSavana 25004.3LV6N/A
2005GMCSavana 25005.3LV8N/A
2005GMCSavana 25006.0LV8N/A
2005GMCSavana 25004.8LV8N/A
2005GMCSavana 35004.8LV8N/A
2005GMCSavana 35006.0LV8N/A
2005GMCSierra 1500AutomaticN/A
2005GMCSierra 1500 HDAutomaticN/A
2005GMCSierra 2500 HDAutomaticN/A
2005GMCSierra 3500AutomaticN/A
2005GMCYukonAutomaticN/A
2005GMCYukon XL 1500AutomaticN/A
2005GMCYukon XL 2500AutomaticN/A
2005HummerH26.0LV8N/A
2005PontiacGTO6.0LV8N/A
2005Saab9-7x4.2LL6N/A
2005Saab9-7x5.3LV8N/A
2004BuickRainierN/A
2004CadillacEscaladeAutomaticN/A
2004CadillacEscalade ESVAutomaticN/A
2004CadillacEscalade EXTAutomaticN/A
2004ChevroletAstroAutomaticN/A
2004ChevroletAvalanche 1500AutomaticN/A
2004ChevroletAvalanche 2500AutomaticN/A
2004ChevroletBlazer4.3LV6N/A
2004ChevroletColoradoN/A
2004ChevroletCorvetteAutomaticN/A
2004ChevroletExpress 1500AutomaticN/A
2004ChevroletExpress 2500AutomaticN/A
2004ChevroletExpress 3500AutomaticN/A
2004ChevroletS10AutomaticN/A
2004ChevroletSilverado 1500AutomaticN/A
2004ChevroletSilverado 2500AutomaticN/A
2004ChevroletSilverado 2500 HDAutomaticN/A
2004ChevroletSilverado 3500AutomaticN/A
2004ChevroletSSR5.3LV8N/A
2004ChevroletSuburban 1500AutomaticN/A
2004ChevroletSuburban 2500AutomaticN/A
2004ChevroletTahoeAutomaticN/A
2004ChevroletTrailblazerN/A
2004ChevroletTrailblazer EXTN/A
2004GMCCanyon2.8LL4N/A
2004GMCCanyon3.5LL5N/A
2004GMCEnvoyAutomaticN/A
2004GMCEnvoy XLAutomaticN/A
2004GMCEnvoy XUVAutomaticN/A
2004GMCSafariAutomaticN/A
2004GMCSavana 1500AutomaticN/A
2004GMCSavana 2500AutomaticN/A
2004GMCSavana 3500AutomaticN/A
2004GMCSierra 1500AutomaticN/A
2004GMCSierra 2500AutomaticN/A
2004GMCSierra 2500 HDAutomaticN/A
2004GMCSierra 3500AutomaticN/A
2004GMCSonomaN/A
2004GMCYukonAutomaticN/A
2004GMCYukon XL 1500AutomaticN/A
2004GMCYukon XL 2500AutomaticN/A
2004HummerH2AutomaticN/A
2004PontiacGTOAutomaticN/A
2003ChevroletExpress 1500N/A
2003ChevroletExpress 2500N/A
2003ChevroletExpress 3500N/A
2003ChevroletSSR5.3LV8N/A
2003ChevroletTrailblazerN/A
2003ChevroletTrailblazer EXTN/A
2003GMCEnvoyN/A
2003GMCEnvoy XLN/A
2003GMCSavana 15004.3LV6N/A
2003GMCSavana 25004.3LV6N/A
2003GMCSavana 35006.0LV8N/A
2003GMCSonomaN/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:

1S51702422112550-105453-31571DR4146NS38029NS6811V51-73-0018

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

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