Standard Ignition NS-85 Neutral Safety Switch

Name: Standard Ignition NS-85 Neutral Safety Switch
Brand: Standard Ignition
SKU: FBHK-NS-85
Price: 84.20 USD
Availability: InStock

332 vehicles fit this part

Select your vehicle to confirm fitment

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Oldsmobile, Cadillac, Chevrolet, GMC, Hummer, and Isuzu, Bravada, Escalade, Escalade ESV, Escalade EXT, Astro, Avalanche 1500, Avalanche 2500, Blazer, Corvette, Express 1500, Express 2500, Express 3500, S10, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Trailblazer, Trailblazer EXT, Envoy, Envoy XL, Safari, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Sonoma, Yukon, Yukon XL 1500, Yukon XL 2500, H1, H2, Jimmy, C2500, C3500, K2500, K3500, Hombre, C1500, C1500 Suburban, C2500 Suburban, K1500, K1500 Suburban, K2500 Suburban, P30, and P3500

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Not what you need? See all Neutral Safety Switch options

Reliable Neutral Safety Switch for Select GM and Isuzu Vehicles

The Standard Ignition NS-85 Neutral Safety Switch is engineered to provide precise electrical control for your vehicle's starting system. Designed specifically for a range of Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Oldsmobile models, this switch ensures proper transmission position detection and safe engine start-up.

Connector Gender: Female for secure and reliable connections
Connector Quantity: 2 connectors to interface with vehicle wiring
Terminal Gender: Male terminals for consistent electrical contact
Terminal Quantity: 11 terminals supporting multiple circuit connections
Terminal Type: Blade terminals designed for durability and ease of installation

Product Details and Specifications

The NS-85 Neutral Safety Switch from Standard Ignition features a female connector design with two connectors, facilitating a stable and secure electrical interface. It includes eleven male blade terminals, which are widely used in automotive electrical systems for their reliability and ease of connection. This configuration supports multiple circuits, ensuring accurate transmission position sensing and preventing engine start in unsafe gear positions.

This part is compatible with a broad range of vehicles including Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, Hummer H2, Isuzu Hombre, and Oldsmobile Bravada among others. The NS-85 is designed to meet OEM specifications, providing a direct replacement for factory-installed neutral safety switches.

Common Applications and Problem Resolution

Prevents engine from starting in gear, enhancing vehicle safety
Resolves intermittent or no-start conditions related to faulty neutral safety switches
Eliminates transmission range sensor errors that can cause shifting issues
Restores proper electrical signaling between transmission and ignition system
Addresses dashboard warning lights related to transmission position

Installation Notes and Tips

Ensure vehicle is in park or neutral before installation to avoid injury
Disconnect the battery to prevent electrical shorts during replacement
Verify connector orientation and terminal alignment for proper fit
Use appropriate tools to avoid damaging blade terminals during installation
Test switch operation after installation to confirm correct function

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The NS-85 Neutral Safety Switch undergoes rigorous quality control testing to maintain consistent electrical and mechanical function. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in material and workmanship under normal use.

Brand	Standard Ignition
Part Number	NS-85
Connector Gender	Female
Terminal Gender	Male
Terminal Type	Blade

This part fits 332 vehicles. Search below:

Year	Make	Model	Transmission	Liters	Cylinders	Position
2004	Oldsmobile	Bravada		4.2L	L6	N/A
2003	Cadillac	Escalade	Automatic			N/A
2003	Cadillac	Escalade ESV	Automatic			N/A
2003	Cadillac	Escalade EXT	Automatic			N/A
2003	Chevrolet	Astro	Automatic			N/A
2003	Chevrolet	Avalanche 1500	Automatic			N/A
2003	Chevrolet	Avalanche 2500	Automatic			N/A
2003	Chevrolet	Blazer	Automatic			N/A
2003	Chevrolet	Corvette	Automatic			N/A
2003	Chevrolet	Express 1500	Automatic			N/A
2003	Chevrolet	Express 2500	Automatic			N/A
2003	Chevrolet	Express 3500	Automatic			N/A
2003	Chevrolet	S10	Automatic			N/A
2003	Chevrolet	Silverado 1500	Automatic			N/A
2003	Chevrolet	Silverado 1500 HD	Automatic			N/A
2003	Chevrolet	Silverado 2500	Automatic			N/A
2003	Chevrolet	Silverado 2500 HD	Automatic			N/A
2003	Chevrolet	Silverado 3500	Automatic			N/A
2003	Chevrolet	Suburban 1500	Automatic			N/A
2003	Chevrolet	Suburban 2500	Automatic			N/A
2003	Chevrolet	Tahoe	Automatic			N/A
2003	Chevrolet	Trailblazer	Automatic			N/A
2003	Chevrolet	Trailblazer EXT	Automatic			N/A
2003	GMC	Envoy	Automatic			N/A
2003	GMC	Envoy XL	Automatic			N/A
2003	GMC	Safari	Automatic			N/A
2003	GMC	Savana 1500	Automatic			N/A
2003	GMC	Savana 2500	Automatic			N/A
2003	GMC	Savana 3500	Automatic			N/A
2003	GMC	Sierra 1500	Automatic			N/A
2003	GMC	Sierra 1500 HD	Automatic			N/A
2003	GMC	Sierra 2500	Automatic			N/A
2003	GMC	Sierra 2500 HD	Automatic			N/A
2003	GMC	Sierra 3500	Automatic			N/A
2003	GMC	Sonoma	Automatic			N/A
2003	GMC	Yukon	Automatic			N/A
2003	GMC	Yukon XL 1500	Automatic			N/A
2003	GMC	Yukon XL 2500	Automatic			N/A
2003	Hummer	H1	Automatic			N/A
2003	Hummer	H2	Automatic			N/A
2003	Oldsmobile	Bravada		4.2L	L6	N/A
2002	Cadillac	Escalade	Automatic			N/A
2002	Cadillac	Escalade EXT				N/A
2002	Chevrolet	Astro	Automatic			N/A
2002	Chevrolet	Avalanche 1500	Automatic			N/A
2002	Chevrolet	Avalanche 2500	Automatic			N/A
2002	Chevrolet	Blazer	Automatic			N/A
2002	Chevrolet	Corvette	Automatic			N/A
2002	Chevrolet	Express 1500	Automatic			N/A
2002	Chevrolet	Express 2500	Automatic			N/A
2002	Chevrolet	Express 3500	Automatic			N/A
2002	Chevrolet	S10	Automatic			N/A
2002	Chevrolet	Silverado 1500	Automatic			N/A
2002	Chevrolet	Silverado 1500 HD	Automatic			N/A
2002	Chevrolet	Silverado 2500	Automatic			N/A
2002	Chevrolet	Silverado 2500 HD	Automatic			N/A
2002	Chevrolet	Silverado 3500	Automatic			N/A
2002	Chevrolet	Suburban 1500	Automatic			N/A
2002	Chevrolet	Suburban 2500				N/A
2002	Chevrolet	Tahoe				N/A
2002	Chevrolet	Trailblazer	Automatic			N/A
2002	Chevrolet	Trailblazer EXT	Automatic			N/A
2002	GMC	Envoy	Automatic			N/A
2002	GMC	Envoy XL	Automatic			N/A
2002	GMC	Jimmy		4.3L	V6	N/A
2002	GMC	Safari	Automatic			N/A
2002	GMC	Savana 1500	Automatic			N/A
2002	GMC	Savana 2500	Automatic			N/A
2002	GMC	Savana 3500	Automatic			N/A
2002	GMC	Sierra 1500	Automatic			N/A
2002	GMC	Sierra 1500 HD	Automatic			N/A
2002	GMC	Sierra 2500	Automatic			N/A
2002	GMC	Sierra 2500 HD	Automatic			N/A
2002	GMC	Sierra 3500	Automatic			N/A
2002	GMC	Sonoma	Automatic			N/A
2002	GMC	Yukon				N/A
2002	GMC	Yukon XL 1500	Automatic			N/A
2002	GMC	Yukon XL 2500	Automatic			N/A
2002	Oldsmobile	Bravada		4.2L	L6	N/A
2001	Chevrolet	Astro	Automatic			N/A
2001	Chevrolet	Blazer	Automatic			N/A
2001	Chevrolet	Corvette	Automatic			N/A
2001	Chevrolet	Express 1500	Automatic			N/A
2001	Chevrolet	Express 2500	Automatic			N/A
2001	Chevrolet	Express 3500	Automatic			N/A
2001	Chevrolet	S10	Automatic			N/A
2001	Chevrolet	Silverado 1500	Automatic			N/A
2001	Chevrolet	Silverado 1500 HD	Automatic			N/A
2001	Chevrolet	Silverado 2500	Automatic			N/A
2001	Chevrolet	Silverado 2500 HD	Automatic			N/A
2001	Chevrolet	Silverado 3500	Automatic			N/A
2001	Chevrolet	Suburban 1500	Automatic			N/A
2001	Chevrolet	Suburban 2500				N/A
2001	Chevrolet	Tahoe				N/A
2001	GMC	Jimmy	Automatic			N/A
2001	GMC	Safari	Automatic			N/A
2001	GMC	Savana 1500	Automatic			N/A
2001	GMC	Savana 2500	Automatic			N/A
2001	GMC	Savana 3500	Automatic			N/A
2001	GMC	Sierra 1500	Automatic			N/A
2001	GMC	Sierra 1500 HD	Automatic			N/A
2001	GMC	Sierra 2500	Automatic			N/A
2001	GMC	Sierra 2500 HD	Automatic			N/A
2001	GMC	Sierra 3500	Automatic			N/A
2001	GMC	Sonoma	Automatic			N/A
2001	GMC	Yukon				N/A
2001	GMC	Yukon XL 1500	Automatic			N/A
2001	GMC	Yukon XL 2500	Automatic			N/A
2001	Oldsmobile	Bravada		4.3L	V6	N/A
2000	Cadillac	Escalade		5.7L	V8	N/A
2000	Chevrolet	Astro	Automatic			N/A
2000	Chevrolet	Blazer	Automatic			N/A
2000	Chevrolet	C2500				N/A
2000	Chevrolet	C3500				N/A
2000	Chevrolet	Corvette	Automatic			N/A
2000	Chevrolet	Express 1500	Automatic			N/A
2000	Chevrolet	Express 2500	Automatic			N/A
2000	Chevrolet	Express 3500	Automatic			N/A
2000	Chevrolet	K2500				N/A
2000	Chevrolet	K3500				N/A
2000	Chevrolet	S10	Automatic			N/A
2000	Chevrolet	Silverado 1500				N/A
2000	Chevrolet	Silverado 2500				N/A
2000	Chevrolet	Suburban 1500	Automatic			N/A
2000	Chevrolet	Suburban 2500	Automatic			N/A
2000	Chevrolet	Tahoe				N/A
2000	GMC	C2500	Automatic			N/A
2000	GMC	C3500	Automatic			N/A
2000	GMC	Jimmy	Automatic			N/A
2000	GMC	K2500	Automatic			N/A
2000	GMC	K3500	Automatic			N/A
2000	GMC	Safari	Automatic			N/A
2000	GMC	Savana 1500	Automatic			N/A
2000	GMC	Savana 2500	Automatic			N/A
2000	GMC	Savana 3500	Automatic			N/A
2000	GMC	Sierra 1500	Automatic			N/A
2000	GMC	Sierra 2500	Automatic			N/A
2000	GMC	Sonoma	Automatic			N/A
2000	GMC	Yukon	Automatic			N/A
2000	GMC	Yukon XL 1500	Automatic			N/A
2000	GMC	Yukon XL 2500	Automatic			N/A
2000	Isuzu	Hombre	Automatic			N/A
2000	Oldsmobile	Bravada		4.3L	V6	N/A
1999	Cadillac	Escalade		5.7L	V8	N/A
1999	Chevrolet	Astro	Automatic			N/A
1999	Chevrolet	Blazer	Automatic			N/A
1999	Chevrolet	C1500				N/A
1999	Chevrolet	C1500 Suburban	Automatic			N/A
1999	Chevrolet	C2500				N/A
1999	Chevrolet	C2500 Suburban	Automatic			N/A
1999	Chevrolet	C3500				N/A
1999	Chevrolet	Corvette	Automatic			N/A
1999	Chevrolet	Express 1500	Automatic			N/A
1999	Chevrolet	Express 2500	Automatic			N/A
1999	Chevrolet	Express 3500	Automatic			N/A
1999	Chevrolet	K1500				N/A
1999	Chevrolet	K1500 Suburban	Automatic			N/A
1999	Chevrolet	K2500				N/A
1999	Chevrolet	K2500 Suburban	Automatic			N/A
1999	Chevrolet	K3500				N/A
1999	Chevrolet	P30				N/A
1999	Chevrolet	S10	Automatic			N/A
1999	Chevrolet	Silverado 1500				N/A
1999	Chevrolet	Silverado 2500				N/A
1999	Chevrolet	Suburban 1500		5.7L	V8	N/A
1999	Chevrolet	Tahoe				N/A
1999	GMC	C1500	Automatic			N/A
1999	GMC	C1500 Suburban	Automatic			N/A
1999	GMC	C2500	Automatic			N/A
1999	GMC	C2500 Suburban	Automatic			N/A
1999	GMC	C3500	Automatic			N/A
1999	GMC	Jimmy	Automatic			N/A
1999	GMC	K1500				N/A
1999	GMC	K1500 Suburban	Automatic			N/A
1999	GMC	K2500	Automatic			N/A
1999	GMC	K2500 Suburban	Automatic			N/A
1999	GMC	K3500	Automatic			N/A
1999	GMC	P3500				N/A
1999	GMC	Safari	Automatic			N/A
1999	GMC	Savana 1500	Automatic			N/A
1999	GMC	Savana 2500	Automatic			N/A
1999	GMC	Savana 3500	Automatic			N/A
1999	GMC	Sierra 1500	Automatic			N/A
1999	GMC	Sierra 2500	Automatic			N/A
1999	GMC	Sonoma	Automatic			N/A
1999	GMC	Yukon	Automatic			N/A
1999	Isuzu	Hombre	Automatic	2.2L	L4	N/A
1999	Isuzu	Hombre		4.3L	V6	N/A
1999	Oldsmobile	Bravada		4.3L	V6	N/A
1998	Chevrolet	Astro	Automatic			N/A
1998	Chevrolet	Blazer	Automatic			N/A
1998	Chevrolet	C1500				N/A
1998	Chevrolet	C1500 Suburban	Automatic			N/A
1998	Chevrolet	C2500				N/A
1998	Chevrolet	C2500 Suburban	Automatic			N/A
1998	Chevrolet	C3500				N/A
1998	Chevrolet	Corvette	Automatic			N/A
1998	Chevrolet	Express 1500	Automatic			N/A
1998	Chevrolet	Express 2500	Automatic			N/A
1998	Chevrolet	Express 3500	Automatic			N/A
1998	Chevrolet	K1500				N/A
1998	Chevrolet	K1500 Suburban	Automatic			N/A
1998	Chevrolet	K2500				N/A
1998	Chevrolet	K2500 Suburban	Automatic			N/A
1998	Chevrolet	K3500				N/A
1998	Chevrolet	P30				N/A
1998	Chevrolet	S10	Automatic			N/A
1998	Chevrolet	Suburban 1500		5.7L	V8	N/A
1998	Chevrolet	Tahoe				N/A
1998	GMC	C1500	Automatic			N/A
1998	GMC	C1500 Suburban	Automatic			N/A
1998	GMC	C2500	Automatic			N/A
1998	GMC	C2500 Suburban	Automatic			N/A
1998	GMC	C3500	Automatic			N/A
1998	GMC	Jimmy	Automatic			N/A
1998	GMC	K1500	Automatic			N/A
1998	GMC	K1500 Suburban	Automatic			N/A
1998	GMC	K2500	Automatic			N/A
1998	GMC	K2500 Suburban	Automatic			N/A
1998	GMC	K3500	Automatic			N/A
1998	GMC	P3500				N/A
1998	GMC	Safari	Automatic			N/A
1998	GMC	Savana 1500	Automatic			N/A
1998	GMC	Savana 2500	Automatic			N/A
1998	GMC	Savana 3500	Automatic			N/A
1998	GMC	Sonoma	Automatic			N/A
1998	GMC	Yukon				N/A
1998	Isuzu	Hombre	Automatic	2.2L	L4	N/A
1998	Isuzu	Hombre		4.3L	V6	N/A
1998	Oldsmobile	Bravada		4.3L	V6	N/A
1997	Chevrolet	Astro	Automatic			N/A
1997	Chevrolet	Blazer	Automatic			N/A
1997	Chevrolet	C1500				N/A
1997	Chevrolet	C1500 Suburban	Automatic			N/A
1997	Chevrolet	C2500				N/A
1997	Chevrolet	C2500 Suburban	Automatic			N/A
1997	Chevrolet	C3500				N/A
1997	Chevrolet	Corvette	Automatic			N/A
1997	Chevrolet	Express 1500	Automatic			N/A
1997	Chevrolet	Express 2500	Automatic			N/A
1997	Chevrolet	Express 3500	Automatic			N/A
1997	Chevrolet	K1500				N/A
1997	Chevrolet	K1500 Suburban	Automatic			N/A
1997	Chevrolet	K2500				N/A
1997	Chevrolet	K2500 Suburban	Automatic			N/A
1997	Chevrolet	K3500				N/A
1997	Chevrolet	P30				N/A
1997	Chevrolet	S10	Automatic			N/A
1997	Chevrolet	Suburban 1500		5.7L	V8	N/A
1997	Chevrolet	Tahoe				N/A
1997	GMC	C1500	Automatic			N/A
1997	GMC	C1500 Suburban	Automatic			N/A
1997	GMC	C2500	Automatic			N/A
1997	GMC	C2500 Suburban	Automatic			N/A
1997	GMC	C3500	Automatic			N/A
1997	GMC	Jimmy	Automatic			N/A
1997	GMC	K1500	Automatic			N/A
1997	GMC	K1500 Suburban	Automatic			N/A
1997	GMC	K2500	Automatic			N/A
1997	GMC	K2500 Suburban	Automatic			N/A
1997	GMC	K3500	Automatic			N/A
1997	GMC	P3500				N/A
1997	GMC	Safari	Automatic			N/A
1997	GMC	Savana 1500	Automatic			N/A
1997	GMC	Savana 2500	Automatic			N/A
1997	GMC	Savana 3500	Automatic			N/A
1997	GMC	Sonoma	Automatic			N/A
1997	GMC	Yukon				N/A
1997	Isuzu	Hombre	Automatic	2.2L	L4	N/A
1997	Isuzu	Hombre		4.3L	V6	N/A
1997	Oldsmobile	Bravada	Automatic			N/A
1996	Chevrolet	Astro	Automatic			N/A
1996	Chevrolet	Blazer	Automatic			N/A
1996	Chevrolet	C1500				N/A
1996	Chevrolet	C1500 Suburban	Automatic			N/A
1996	Chevrolet	C2500				N/A
1996	Chevrolet	C2500 Suburban	Automatic			N/A
1996	Chevrolet	C3500				N/A
1996	Chevrolet	K1500				N/A
1996	Chevrolet	K1500 Suburban	Automatic			N/A
1996	Chevrolet	K2500				N/A
1996	Chevrolet	K2500 Suburban	Automatic			N/A
1996	Chevrolet	K3500				N/A
1996	Chevrolet	P30				N/A
1996	Chevrolet	S10	Automatic			N/A
1996	Chevrolet	Suburban 1500		5.7L	V8	N/A
1996	Chevrolet	Tahoe	Automatic			N/A
1996	GMC	C1500	Automatic			N/A
1996	GMC	C1500 Suburban	Automatic			N/A
1996	GMC	C2500	Automatic			N/A
1996	GMC	C2500 Suburban	Automatic			N/A
1996	GMC	C3500	Automatic			N/A
1996	GMC	Jimmy	Automatic			N/A
1996	GMC	K1500	Automatic			N/A
1996	GMC	K1500 Suburban	Automatic			N/A
1996	GMC	K2500	Automatic			N/A
1996	GMC	K2500 Suburban	Automatic			N/A
1996	GMC	K3500	Automatic			N/A
1996	GMC	P3500				N/A
1996	GMC	Safari	Automatic			N/A
1996	GMC	Sonoma	Automatic			N/A
1996	GMC	Yukon	Automatic			N/A
1996	Isuzu	Hombre		2.2L	L4	N/A
1996	Oldsmobile	Bravada	Automatic			N/A
1995	Chevrolet	Blazer	Automatic			N/A
1995	Chevrolet	C1500				N/A
1995	Chevrolet	C1500 Suburban	Automatic			N/A
1995	Chevrolet	C2500				N/A
1995	Chevrolet	C2500 Suburban	Automatic			N/A
1995	Chevrolet	C3500				N/A
1995	Chevrolet	K1500				N/A
1995	Chevrolet	K1500 Suburban	Automatic			N/A
1995	Chevrolet	K2500				N/A
1995	Chevrolet	K2500 Suburban	Automatic			N/A
1995	Chevrolet	K3500				N/A
1995	Chevrolet	S10	Automatic			N/A
1995	Chevrolet	Suburban 1500		5.7L	V8	N/A
1995	Chevrolet	Tahoe	Automatic			N/A
1995	GMC	C1500	Automatic			N/A
1995	GMC	C1500 Suburban	Automatic			N/A
1995	GMC	C2500	Automatic			N/A
1995	GMC	C2500 Suburban	Automatic			N/A
1995	GMC	C3500	Automatic			N/A
1995	GMC	Jimmy	Automatic			N/A
1995	GMC	K1500	Automatic			N/A
1995	GMC	K1500 Suburban	Automatic			N/A
1995	GMC	K2500	Automatic			N/A
1995	GMC	K2500 Suburban	Automatic			N/A
1995	GMC	K3500	Automatic			N/A
1995	GMC	Sonoma	Automatic			N/A
1995	GMC	Yukon	Automatic			N/A
1994	Chevrolet	S10	Automatic			N/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:

124500161S50702-88245129053-315356M481245001608824DR4033NS49NS6502NS6502SBNS85TS9171

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